AD 2013-09-11

[Federal Register Volume 78, Number 104 (Thursday, May 30, 2013)]
[Rules and Regulations]
[Pages 32349-32353]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2013-12662]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2012-1001; Directorate Identifier 2012-NM-020-AD; 
Amendment 39-17453; AD 2013-09-11]
RIN 2120-AA64


Airworthiness Directives; Cessna Aircraft Company Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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SUMMARY: We are adopting a new airworthiness directive (AD) for certain 
Cessna Aircraft Company Model 500, 501, 550, 551, S550, 560, 560XL, and 
650 airplanes. This AD was prompted by multiple reports of smoke and/or 
fire in the tailcone caused by sparking due to excessive wear of the 
brushes in the air conditioning (A/C) motor. This AD requires 
inspecting to determine if certain A/C compressor motors are installed 
and to determine the accumulated hours on certain A/C drive motor 
assemblies; repetitive replacement of the brushes in the drive motor 
assembly, or, as an option to the brush replacement, deactivation of 
the A/C system and placard installation; and return of replaced brushes 
to Cessna. We are issuing this AD to prevent the brushes in the A/C 
motor from wearing down beyond their limits, which could result in the 
rivet in the brush contacting the commutator causing sparks and 
consequent fire and/or smoke in the tailcone with no means to detect or 
extinguish the fire and/or smoke.

DATES: This AD is effective July 5, 2013.
    The Director of the Federal Register approved the incorporation by 
reference of certain publications listed in the AD as of July 5, 2013.

ADDRESSES: For service information identified in this AD, contact 
Cessna

[[Page 32350]]

Aircraft Co., P.O. Box 7706, Wichita, KS 67277; telephone 316-517-6215; 
fax 316-517-5802; email <a href="/cdn-cgi/l/email-protection#680b011c091c010706181d0a1b280b0d1b1b0609461c0d101c1a0706460b0705"><span class="__cf_email__" data-cfemail="cba8a2bfaabfa2a4a5bbbea9b88ba8aeb8b8a5aae5bfaeb3bfb9a4a5e5a8a4a6">[email&#160;protected]</span></a>; Internet 
<a href="https://www.cessnasupport.com/newlogin.html">https://www.cessnasupport.com/newlogin.html</a>. You may review copies of 
the referenced service information at the FAA, Transport Airplane 
Directorate, 1601 Lind Avenue SW., Renton, WA. For information on the 
availability of this material at the FAA, call 425-227-1221.

Examining the AD Docket

    You may examine the AD docket on the Internet at <a href="http://www.regulations.gov">http://www.regulations.gov</a>; or in person at the Docket Management Facility 
between 9 a.m. and 5 p.m., Monday through Friday, except Federal 
holidays. The AD docket contains this AD, the regulatory evaluation, 
any comments received, and other information. The address for the 
Docket Office (phone: 800-647-5527) is Document Management Facility, 
U.S. Department of Transportation, Docket Operations, M-30, West 
Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE., 
Washington, DC 20590.

FOR FURTHER INFORMATION CONTACT: Christine Abraham, Aerospace Engineer, 
Electrical Systems and Avionics Branch, ACE-119W, FAA, Wichita Aircraft 
Certification Office (ACO), 1801 Airport Road, Room 100, Mid-Continent 
Airport, Wichita, Kansas 67209; phone: 316-946-4165; fax: 316-946-4107; 
email: <a href="/cdn-cgi/l/email-protection#02756b616a6b76632f616d71426463632c656d74"><span class="__cf_email__" data-cfemail="186f717b70716c79357b776b587e7979367f776e">[email&#160;protected]</span></a>.

SUPPLEMENTARY INFORMATION: 

Discussion

    We issued a supplemental notice of proposed rulemaking (SNPRM) to 
amend 14 CFR part 39 to include an airworthiness directive (AD) that 
would apply to the specified products. That SNPRM published in the 
Federal Register on February 11, 2013 (78 FR 9636). The original NPRM 
(77 FR 59146, September 26, 2012) proposed to require an inspection to 
determine if certain A/C compressor motors are installed and to 
determine the accumulated hours on certain A/C drive motor assemblies; 
repetitive replacement of the brushes in the drive motor assembly, or, 
as an option to the brush replacement, deactivation of the A/C system 
and placard installation; and return of replaced brushes to Cessna. The 
SNPRM proposed to revise the optional A/C system deactivation 
procedure.

Comments

    We gave the public the opportunity to participate in developing 
this AD. We received no comments on the SNPRM (78 FR 9636, February 11, 
2013) or on the determination of the cost to the public.

Conclusion

    We reviewed the relevant data and determined that air safety and 
the public interest require adopting the AD as proposed--except for 
minor editorial changes. We have determined that these minor changes:
    <bullet> Are consistent with the intent that was proposed in the 
SNPRM (78 FR 9636, February 11, 2013) for correcting the unsafe 
condition; and
    <bullet> Do not add any additional burden upon the public than was 
already proposed in the SNPRM (78 FR 9636, February 11, 2013).

Interim Action

    We consider this AD interim action. The reporting data required by 
this AD will enable us to obtain better insight into brush wear. The 
reporting data will also indicate if the replacement intervals we 
established are adequate. After we analyze the reporting data received, 
we might consider further rulemaking.
    Model 525 airplanes are not subject to this AD. We are currently 
considering requiring similar actions for these airplanes.

Costs of Compliance

    We estimate that this AD will affect 1,987 airplanes of U.S. 
registry.
    We estimate the following costs to comply with this AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                                 Cost on U.S.
             Action                   Labor cost          Parts cost       Cost per  product       operators
----------------------------------------------------------------------------------------------------------------
Inspection, drive motor assembly  11 work-hours x     $252 per            $1,187 per          $2,358,569 per
 brush replacement, parts          $85 per hour =      replacement cycle.  replacement cycle.  replacement
 return, and reporting.            $935 per                                                    cycle.
                                   replacement cycle.
Optional fabrication of placard   1 work-hour x $85   $0................  $85...............  $168,895.
 for deactivation.                 per hour = $85.
Optional deactivation or          1 work-hour x $85   $0................  $85...............  $31,450.
 reactivation for Model 560XL      per hour = $85.
 airplanes (370 airplanes).
----------------------------------------------------------------------------------------------------------------

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to 
issue rules on aviation safety. Subtitle I, section 106, describes the 
authority of the FAA Administrator. Subtitle VII: Aviation Programs, 
describes in more detail the scope of the Agency's authority.
    We are issuing this rulemaking under the authority described in 
Subtitle VII, Part A, Subpart III, Section 44701: ``General 
requirements.'' Under that section, Congress charges the FAA with 
promoting safe flight of civil aircraft in air commerce by prescribing 
regulations for practices, methods, and procedures the Administrator 
finds necessary for safety in air commerce. This regulation is within 
the scope of that authority because it addresses an unsafe condition 
that is likely to exist or develop on products identified in this 
rulemaking action.

Regulatory Findings

    This AD will not have federalism implications under Executive Order 
13132. This AD will not have a substantial direct effect on the States, 
on the relationship between the national government and the States, or 
on the distribution of power and responsibilities among the various 
levels of government.
    For the reasons discussed above, I certify that this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866,
    (2) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979),
    (3) Will not affect intrastate aviation in Alaska, and
    (4) Will not have a significant economic impact, positive or 
negative, on a substantial number of small entities under the criteria 
of the Regulatory Flexibility Act.

[[Page 32351]]

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Incorporation by 
reference, Safety.

Adoption of the Amendment

    Accordingly, under the authority delegated to me by the 
Administrator, the FAA amends 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

0
1. The authority citation for part 39 continues to read as follows:

    Authority:  49 U.S.C. 106(g), 40113, 44701.


Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by adding the following new airworthiness 
directive (AD):

2013-09-11 Cessna Aircraft Company: Amendment 39-17453; Docket No. 
FAA-2012-1001; Directorate Identifier 2012-NM-020-AD.

(a) Effective Date

    This AD is effective July 5, 2013.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to the following Cessna Aircraft Company 
airplanes, certificated in any category.
    (1) Model 500 and 501 airplanes, serial numbers (S/N) 0001 
through 0689 inclusive.
    (2) Model 550 and 551 airplanes, S/Ns 0002 through 0733 
inclusive, and 0801 through 1136 inclusive.
    (3) Model S550 airplanes, S/Ns 0001 through 0160 inclusive.
    (4) Model 560 airplanes, S/Ns 0001 through 0707 inclusive, and 
0751 through 0815 inclusive.
    (5) Model 560XL airplanes, S/Ns 5001 through 5300 inclusive.
    (6) Model 650 airplanes, S/Ns 0200 through 0241 inclusive, and 
7001 through 7119 inclusive.

(d) Subject

    Joint Aircraft System Component (JASC)/Air Transport Association 
(ATA) of America Code 21, Air Conditioning.

(e) Unsafe Condition

    This AD was prompted by multiple reports of smoke and/or fire in 
the tailcone caused by sparking due to excessive wear of the brushes 
in the air conditioning (A/C) motor. We are issuing this AD to 
prevent the brushes in the A/C motor from wearing down, which could 
result in the rivet in the brush contacting the commutator causing 
sparks and consequent fire and/or smoke in the tailcone with no 
means to detect or extinguish the fire and/or smoke.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Inspection for Part Number (P/N)

    Within 30 days or 10 flight hours after the effective date of 
this AD, whichever occurs first: Inspect the A/C compressor motor to 
determine whether P/N 1134104-1 or P/N 1134104-5 is installed. A 
review of airplane maintenance records is acceptable in lieu of this 
inspection if the part number of the A/C compressor motor can be 
conclusively determined from that review.

(h) Inspection of Compressor Hour Meter and Maintenance Records

    If, during the inspection required by paragraph (g) of this AD, 
any A/C compressor motor is found having P/N 1134104-1 or P/N 
1134104-5: Within 30 days or 10 flight hours after the effective 
date of this AD, whichever occurs first, determine the hour reading 
on the A/C compressor hour meter as specified in paragraphs (h)(1) 
and (h)(2) of this AD.
    (1) Inspect the number of hours on the A/C compressor hour 
meter. And,
    (2) Check the airplane logbook for any entry for replacing the 
A/C compressor motor brushes with new brushes, or for replacing the 
compressor motor or compressor condenser module assembly (pallet) 
with a motor or assembly that has new brushes.
    (i) If the logbook contains an entry for replacement of parts, 
as specified in paragraph (h)(2) of this AD, determine the number of 
hours on the A/C compressor motor brushes by comparing the number of 
hours on the compressor motor since replacement and use this number 
in lieu of the number determined in paragraph (h)(1) of this AD. Or,
    (ii) If, through the logbook check you cannot positively 
determine the number of hours on the A/C compressor motor brushes, 
as specified in paragraph (h)(2) of this AD, use the number of hours 
on the A/C compressor hour meter determined in paragraph (h)(1) of 
this AD or presume the brushes have over 500 hours time-in-service.

(i) Replacement

    Using the hour reading on the A/C compressor hour meter 
determined in paragraph (h) of this AD, replace the A/C compressor 
motor brushes with new brushes at the later of the times specified 
in paragraphs (i)(1) and (i)(2) of this AD. Thereafter, repeat the 
replacement of the A/C compressor motor brushes at intervals not to 
exceed 500 hours time-in-service on the A/C compressor motor. Do the 
replacement in accordance with the applicable Cessna maintenance 
manual subject specified in paragraphs (j)(1) through (j)(7) of this 
AD.
    (1) Before the accumulation of 500 total hours time-in-service 
on the A/C compressor motor.
    (2) Before further flight after doing the inspection required in 
paragraph (h) of this AD.

(j) Replacement Maintenance Manual Information

    Use the instructions in the applicable Cessna maintenance manual 
subject specified in paragraphs (j)(1) through (j)(7) of this AD to 
do the replacement required by paragraph (i) of this AD.
    (1) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 10, dated April 23, 2012, of the 
Cessna Model 550 Bravo Maintenance Manual.
    (2) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 8, dated April 23, 2012, of the 
Cessna Model 550Maintenance Manual.
    (3) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 20, dated April 23, 2012, of the 
Cessna Model 560 Maintenance Manual.
    (4) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 13, dated April 23, 2012, of the 
Cessna Model 560XLMaintenance Manual.
    (5) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 30, dated April 23, 2012, of the 
Cessna Model 650 Maintenance Manual.
    (6) Subject 4-11-00, Replacement Time Limits-General, of Chapter 
4, Airworthiness Limitations, Revision 4, dated April 23, 2012, of 
the Cessna Model 500/501Maintenance Manual.
    (7) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 7, dated April 23, 2012, of the 
Cessna Model S550 Maintenance Manual.

(k) Deactivation of A/C System

    In lieu of replacing the A/C compressor motor brushes as 
required by this AD, deactivate the A/C system as specified in 
paragraph (k)(1), (k)(2), or (k)(3) of this AD, as applicable.
    (1) For all airplanes except Model 560XL and 650 airplanes: Pull 
the vapor cycle A/C circuit breaker labeled ``AIR COND,'' do the 
actions specified in paragraphs (k)(1)(i) and (k)(1)(ii) of this AD, 
and document deactivation of the system in the airplane logbook, 
referring to this AD as the reason for deactivation. While the 
system is deactivated, the airplane operator must remain aware of 
operating temperature limitations specified in the applicable 
airplane flight manual.
    (i) Fabricate a placard that states: ``A/C DISABLED'' with \1/
8\-inch black lettering on a white background.
    (ii) Install the placard on the airplane instrument panel within 
6 inches of the A/C selection switch.
    (2) For Model 650 airplanes: Pull the vapor cycle A/C circuit 
breaker labeled ``FWD EVAP FAN,'' do the actions specified in 
paragraphs (k)(1)(i) and (k)(1)(ii) of this AD, and document 
deactivation of the system in the airplane logbook, referring to 
this AD as the reason for deactivation. While the system is 
deactivated, the airplane operator must remain aware of operating 
temperature limitations specified in the applicable airplane flight 
manual.
    (3) For Model 560XL airplanes: Do the actions specified in 
paragraphs (k)(1)(i) and (k)(1)(ii) of this AD, and document 
deactivation of the system in the airplane logbook, referring to 
this AD as the reason for

[[Page 32352]]

deactivation. While the system is deactivated, the airplane operator 
must remain aware of operating temperature limitations specified in 
the applicable airplane flight manual. Remove the fuse limiter that 
supplies power to the A/C compressor motor by doing the actions 
specified in paragraphs (k)(3)(i) through (k)(3)(viii) of this AD, 
and return to the airplane to service by doing the actions specified 
in paragraphs (k)(3)(ix) through (k)(3)(xiii) of this AD.
    (i) Open the battery door.
    (ii) Disconnect the main battery connector and remove external 
electrical power.
    (iii) Tag the battery and external power receptacle with a 
warning tag that reads: ``WARNING: Do not connect the battery 
connector during the maintenance in progress.''
    (iv) Gain access to the J-Box through the tailcone access door.
    (v) Remove the wing nuts that attach the cover to the J-Box.
    (vi) Remove the J-Box cover.
    (vii) Remove nuts securing compressor fuse limiter (reference 
designator HZ116, P/N ANL130) to the bus bar.
    (viii) Remove the compressor motor fuse limiter from the 
terminals and retain for future reinstallation once the compressor 
motor brushes have been replaced.
    (ix) Install fuse limiter nuts on the terminals and torque to 
100 inch-pounds +/- 5 inch-pounds.
    (x) Install the J-Box cover with wing nuts.
    (xi) Remove the warning tag on the battery and external power 
receptacle.
    (xii) Connect the battery and restore electrical power to the 
airplane.
    (xiii) Close the tailcone access door.

(l) Reactivation of A/C System

    If an operator chooses to deactivate the A/C system, as 
specified in paragraph (k) of this AD, and then later chooses to 
return the A/C system to service: Before returning the A/C system to 
service and removing the placard, perform the inspection specified 
in paragraph (h) of this AD, and do the replacements specified in 
paragraph (i) of this AD, at the times specified in paragraph (i) of 
this AD. Return the A/C system to service by doing the actions 
specified in paragraph (l)(1), (l)(2), or (l)(3) of this AD, as 
applicable.
    (1) For all airplanes except Model 560XL and 650 airplanes: Push 
in the vapor cycle A/C circuit breaker labeled ``AIR COND,'' remove 
the placard by the A/C selection switch that states ``A/C 
DISABLED,'' and document reactivation of the system in the airplane 
logbook.
    (2) For Model 650 airplanes: Push in the vapor cycle A/C circuit 
breaker labeled ``FWD EVAP FAN,'' remove the placard by the A/C 
selection switch that states ``A/C DISABLED,'' and document 
reactivation of the system in the airplane logbook.
    (3) For Model 560XL airplanes: Remove the placard by the A/C 
selection switch that states ``A/C DISABLED,'' and document 
reactivation of the system in the airplane logbook. Re-install the 
fuse limiter by doing the actions specified in paragraphs (l)(3)(i) 
through (l)(3)(viii) of this AD, and return to the airplane to 
service by doing the actions specified in paragraphs (l)(3)(ix) 
through (l)(3)(xiii) of this AD.
    (i) Open the battery door.
    (ii) Disconnect the main battery connector and remove external 
electrical power.
    (iii) Tag the battery and external power receptacle with a 
warning tag that reads: ``WARNING: Do not connect the battery 
connector during the maintenance in progress.''
    (iv) Gain access to the J-Box through the tailcone access door.
    (v) Remove the wing nuts that attach the cover to the J-Box.
    (vi) Remove the J-Box cover.
    (vii) Remove the fuse limiter nuts on the bus bar terminals for 
the fuse limiter.
    (viii) Install the compressor motor fuse limiter (reference 
designator HZ116, P/N ANL130).
    (ix) Install fuse limiter nuts on the terminals and torque to 
100 inch-pounds +/- 5 inch-pounds.
    (x) Install the J-Box cover with wing nuts.
    (xi) Remove the warning tag on the battery and external power 
receptacle.
    (xii) Connect the battery and restore electrical power to the 
airplane.
    (xiii) Close the tailcone access door.

(m) Parts Return and Reporting Requirements

    For the first two A/C compressor motor brush replacement cycles 
on each airplane, send the brushes that were removed to Cessna 
Aircraft Company, Cessna Service Parts and Programs, 7121 Southwest 
Boulevard, Wichita, KS 67215. Provide the brushes and the 
information specified in paragraphs (m)(1) through (m)(6) of this AD 
within 30 days after the replacement, if the replacement was done on 
or after the effective date of this AD, or within 30 days after the 
effective date of this AD, if the replacement was done before the 
effective date of this AD.
    (1) The model and serial number of the airplane.
    (2) The part number of the motor.
    (3) The part number of the brushes, if known.
    (4) The elapsed amount of motor hours since the last brush/motor 
replacement, if known.
    (5) If motor hours are unknown, report the elapsed airplane 
flight hours since the last brush/motor replacement and indicate 
that motor hours are unknown.
    (6) The number of motor hours currently displayed on the pallet 
hour meter.

(n) Parts Installation Limitation

    As of the effective date of this AD, no person may install an A/
C compressor motor having P/N 1134104-1 or P/N 1134104-5, unless the 
inspection specified in paragraph (h) of this AD is done before 
further flight, and the replacements specified in paragraph (i) of 
this AD are done at the times specified in paragraph (i) of this AD.

(o) Special Flight Permit Limitation

    Operation of the A/C system is prohibited while flying with a 
special flight permit issued for this AD.

(p) Paperwork Reduction Act Burden Statement

    A federal agency may not conduct or sponsor, and a person is not 
required to respond to, nor shall a person be subject to a penalty 
for failure to comply with a collection of information subject to 
the requirements of the Paperwork Reduction Act unless that 
collection of information displays a current valid OMB Control 
Number. The OMB Control Number for this information collection is 
2120-0056. Public reporting for this collection of information is 
estimated to be approximately 5 minutes per response, including the 
time for reviewing instructions, completing and reviewing the 
collection of information. All responses to this collection of 
information are mandatory. Comments concerning the accuracy of this 
burden and suggestions for reducing the burden should be directed to 
the FAA at: 800 Independence Ave. SW., Washington, DC 20591, Attn: 
Information Collection Clearance Officer, AES-200.

(q) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Wichita Aircraft Certification Office (ACO), 
FAA, has the authority to approve AMOCs for this AD, if requested 
using the procedures found in 14 CFR 39.19. In accordance with 14 
CFR 39.19, send your request to your principal inspector or local 
Flight Standards District Office, as appropriate. If sending 
information directly to the manager of the ACO, send it to the 
attention of the person identified in the Related Information 
section of this AD.
    (2) Before using any approved AMOC, notify your appropriate 
principal inspector, or lacking a principal inspector, the manager 
of the local flight standards district office/certificate holding 
district office.

(r) Related Information

    For more information about this AD, contact Christine Abraham, 
Aerospace Engineer, Electrical Systems and Avionics Branch, ACE-
119W, FAA, Wichita Aircraft Certification Office (ACO), 1801 Airport 
Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209; phone: 
316-946-4165; fax: 316-946-4107; email: <a href="/cdn-cgi/l/email-protection#71061812191805105c121e02311710105f161e07"><span class="__cf_email__" data-cfemail="8afde3e9e2e3feeba7e9e5f9caecebeba4ede5fc">[email&#160;protected]</span></a>.

(s) Material Incorporated by Reference

    (1) The Director of the Federal Register approved the 
incorporation by reference (IBR) of the service information listed 
in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
    (2) You must use this service information as applicable to do 
the actions required by this AD, unless the AD specifies otherwise.
    (i) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 10, dated April 23, 2012, of the 
Cessna Model 550 Bravo Maintenance Manual. The revision level of 
Chapter 4 is identified only on the title page of Chapter 4.
    (ii) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 8, dated April 23, 2012, of the 
Cessna Model 550 Maintenance Manual. The revision level of Chapter 4 
is

[[Page 32353]]

identified only on the title page of Chapter 4.
    (iii) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 20, dated April 23, 2012, of the 
Cessna Model 560 Maintenance Manual. The revision level of Chapter 4 
is identified only on the title page of Chapter 4.
    (iv) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 13, dated April 23, 2012, of the 
Cessna Model 560XL Maintenance Manual. The revision level of Chapter 
4 is identified only on the title page of Chapter 4.
    (v) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 30, dated April 23, 2012, of the 
Cessna Model 650 Maintenance Manual. The revision level of Chapter 4 
is identified only on the title page of Chapter 4.
    (vi) Subject 4-11-00, Replacement Time Limits-General, of 
Chapter 4, Airworthiness Limitations, Revision 4, dated April 23, 
2012, of the Cessna Model 500/501Maintenance Manual. The revision 
level of Chapter 4 is identified only on the title page of Chapter 
4.
    (vii) Subject 4-11-00, Replacement Time Limits, of Chapter 4, 
Airworthiness Limitations, Revision 7, dated April 23, 2012, of the 
Cessna Model S550 Maintenance Manual. The revision level of Chapter 
4 is identified only on the title page of Chapter 4.
    (3) For Cessna service information identified in this AD, 
contact Cessna Aircraft Co., P.O. Box 7706, Wichita, KS 67277; 
telephone 316-517-6215; fax 316-517-5802; email 
<a href="/cdn-cgi/l/email-protection#ddbeb4a9bca9b4b2b3ada8bfae9dbeb8aeaeb3bcf3a9b8a5a9afb2b3f3beb2b0"><span class="__cf_email__" data-cfemail="8deee4f9ecf9e4e2e3fdf8effecdeee8fefee3eca3f9e8f5f9ffe2e3a3eee2e0">[email&#160;protected]</span></a>; Internet <a href="https://www.cessnasupport.com/newlogin.html">https://www.cessnasupport.com/newlogin.html</a>.
    (4) You may view this service information at FAA, Transport 
Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For 
information on the availability of this material at the FAA, call 
425-227-1221.
    (5) You may view this service information that is incorporated 
by reference at the National Archives and Records Administration 
(NARA). For information on the availability of this material at 
NARA, call 202-741-6030, or go to: <a href="http://www.archives.gov/federal-register/cfr/ibr-locations.html">http://www.archives.gov/federal-register/cfr/ibr-locations.html</a>.

    Issued in Renton, Washington, on April 26, 2013.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2013-12662 Filed 5-29-13; 8:45 am]
BILLING CODE 4910-13-P