AD 2012-18-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 750 | Airworthiness Directives; The Cessna Aircraft Company Airplanes |
Unsafe Condition
Reports of direct current (DC) generator overvoltage events.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the auxiliary power unit (APU) generator control unit (GCU) having part number (P/N) 9914752-2 with one having P/N 9914752-6, in accordance with Cessna Service Bulletin SB750-24-30.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 6 months after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Cessna Aircraft Company Model 750 airplanes, certificated in any category, having serial numbers -0222, -0225 through -0306 inclusive, and -0308.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
We are adopting a new airworthiness directive (AD) for certain The Cessna Aircraft Company Model 750 airplanes. This AD was prompted by reports of direct current (DC) generator overvoltage events. This AD requires replacing the auxiliary power unit (APU) generator control unit (GCU). We are issuing this AD to prevent DC generator overvoltage events, which could result in smoke in the cockpit and loss of avionics and electrical systems.
Applicability Source Text
Show captured applicability text from the source AD
(c) Applicability
This AD applies to The Cessna Aircraft Company Model 750
airplanes, certificated in any category, having serial numbers -
0222, -0225 through -0306 inclusive, and -0308.
Document Text
Show stored source text (verify against official source)
[Federal Register Volume 77, Number 182 (Wednesday, September 19, 2012)]
[Rules and Regulations]
[Pages 57994-57995]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2012-22337]
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2012-0644; Directorate Identifier 2012-NM-011-AD;
Amendment 39-17193; AD 2012-18-16]
RIN 2120-AA64
Airworthiness Directives; The Cessna Aircraft Company Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
-----------------------------------------------------------------------
SUMMARY: We are adopting a new airworthiness directive (AD) for certain
The Cessna Aircraft Company Model 750 airplanes. This AD was prompted
by reports of direct current (DC) generator overvoltage events. This AD
requires replacing the auxiliary power unit (APU) generator control
unit (GCU). We are issuing this AD to prevent DC generator overvoltage
events, which could result in smoke in the cockpit and loss of avionics
and electrical systems.
DATES: This AD is effective October 24, 2012.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in the AD as of October 24,
2012.
ADDRESSES: For service information identified in this AD, contact
Cessna Aircraft Co., P.O. Box 7706, Wichita, Kansas 67277; telephone
316-517-6215; fax 316-517-5802; email <a href="/cdn-cgi/l/email-protection#5a39332e3b2e3335342a2f38291a393f2929343b742e3f222e28353474393537"><span class="__cf_email__" data-cfemail="67040e1306130e080917120514270402141409064913021f131508094904080a">[email 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, 1801 Airport Road, Room 100, Mid-Continent
Airport, Wichita, Kansas 67209; telephone: 316-946-4165; fax: 316-946-
4107; email: <a href="/cdn-cgi/l/email-protection#32515a405b41465b5c571c535040535a535f725453531c555d44"><span class="__cf_email__" data-cfemail="f5969d879c86819c9b90db949787949d9498b5939494db929a83">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION:
Discussion
We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR
part 39 to include an AD that would apply to the specified products.
That NPRM published in the Federal Register on June 25, 2012 (77 FR
37827). That NPRM proposed to require replacing the auxiliary power
unit (APU) generator control unit (GCU).
Comments
We gave the public the opportunity to participate in developing
this AD. We received no comments on the NPRM (77 FR 37827, June 25,
2012) 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.
Costs of Compliance
We estimate that this AD affects 58 airplanes of U.S. registry.
We estimate the following costs to comply with this AD:
Estimated Costs
----------------------------------------------------------------------------------------------------------------
Cost per Cost on U.S.
Action Labor cost Parts cost product operators
----------------------------------------------------------------------------------------------------------------
Replacement........................... 2 work-hours x $85 per $2,400 $2,570 $149,060
hour = $170.
----------------------------------------------------------------------------------------------------------------
According to the manufacturer, all of the costs of this AD may be
covered under warranty, thereby reducing the cost impact on affected
individuals. We do not control warranty coverage for affected
individuals. As a result, we have included all costs in our cost
estimate.
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
[[Page 57995]]
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.
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):
2012-18-16 The Cessna Aircraft Company: Amendment 39-17193; Docket
No. FAA-2012-0644; Directorate Identifier 2012-NM-011-AD.
(a) Effective Date
This AD is effective October 24, 2012.
(b) Affected ADs
None.
(c) Applicability
This AD applies to The Cessna Aircraft Company Model 750
airplanes, certificated in any category, having serial numbers -
0222, -0225 through -0306 inclusive, and -0308.
(d) Subject
Joint Aircraft System Component (JASC)/Air Transport Association
(ATA) of America Code 24, Electrical power.
(e) Unsafe Condition
This AD was prompted by reports of direct current (DC) generator
overvoltage events. We are issuing this AD to prevent DC generator
overvoltage events, which could result in smoke in the cockpit and
loss of avionics and electrical systems.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Replacement
Except as required by paragraph (h) of this AD: Within 6 months
after the effective date of this AD, replace the auxiliary power
unit generator control unit (GCU) having part number (P/N) 9914752-2
with one having P/N 9914752-6, in accordance with the Accomplishment
Instructions of Cessna Service Bulletin SB750-24-30, dated December
5, 2011.
(h) Exceptions
(1) Where the Accomplishment Instructions of Cessna Service
Bulletin SB750-24-30, dated December 5, 2011, state that operators
must return the GCU having P/N 9914752-2 to the manufacturer, this
AD does not require that action.
(2) Where the Accomplishment Instructions of Cessna Service
Bulletin SB750-24-30, dated December 5, 2011, state that the
operator must record that the service bulletin has been completed,
this AD does not require that action.
(i) 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.
(j) 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, 1801 Airport Road,
Room 100, Mid-Continent Airport, Wichita, Kansas 67209; telephone:
316-946-4165; fax: 316-946-4107; email: <a href="/cdn-cgi/l/email-protection#e7848f958e94938e8982c9868595868f868aa7818686c9808891"><span class="__cf_email__" data-cfemail="3c5f544e554f48555259125d5e4e5d545d517c5a5d5d125b534a">[email protected]</span></a>.
(k) 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) Cessna Service Bulletin SB750-24-30, dated December 5, 2011.
(ii) Reserved.
(3) For service information identified in this AD, contact
Cessna Aircraft Co., P.O. Box 7706, Wichita, Kansas 67277; telephone
316-517-6215; fax 316-517-5802; email
<a href="/cdn-cgi/l/email-protection#7d1e14091c091412130d081f0e3d1e180e0e131c53091805090f1213531e1210"><span class="__cf_email__" data-cfemail="f3909a8792879a9c9d83869180b3909680809d92dd87968b87819c9ddd909c9e">[email 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 September 4, 2012.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 2012-22337 Filed 9-18-12; 8:45 am]
BILLING CODE 4910-13-P
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.