AD 2005-02-11

AD Final Rules - 2005-02-11.pdf
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AD Number:
2005-02-11
Document Type:
AD Final Rules
Docket Number:
FAA-2004-19442
Subject Heading:
Airworthiness Directives; Gippsland Aeronautics Pty. Ltd. Model GA8 Airplanes
Subject:
Pilot and co-pilot control column wheels
Status:
Current
Citation:
Federal Register: January 31, 2005 (Volume 70, Number 19)
Citation Publish Date:
01/31/2005
Effective Date:
03/04/2005
Make:
GA 8 Airvan (Pty) Ltd
Model:
GA8
Product Type:
Aircraft
Product Subtype:
Small Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
CORRECTION: Today, 01/31/2005, there is a typo is the AD number of the Federal Register (FR), 2nd col., pg. 4761. The AD# should be 2005-02-11. Sinc... ...Show more
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[Federal Register: January 31, 2005 (Volume 70, Number 19)]


[Rules and Regulations]


[Page 4761-4763]


From the Federal Register Online via GPO Access [wais.access.gpo.gov]


[DOCID:fr31ja05-6]


–––––––––––––––––––––––––––––––––––


DEPARTMENT OF TRANSPORTATION


Federal Aviation Administration


14 CFR Part 39


[Docket No. FAA-2004-19442; Directorate Identifier 2004-CE-31-AD; Amendment 39-13956;


AD 2005-02-11]


RIN 2120-AA64


Airworthiness Directives; Gippsland Aeronautics Pty. Ltd. Model GA8 Airplanes


AGENCY:
 
Federal Aviation Administration (FAA), DOT.


ACTION:
 
Final rule.


–––––––––––––––––––––––––––––––––––


SUMMARY:
 
The FAA adopts a new airworthiness directive (AD) for certain Gippsland Aeronautics


Pty. Ltd. Model GA8 airplanes. This AD requires you to inspect the pilot and co-pilot control column


wheels and aileron cable operating arm shafts for damage and, if damage is found, to repair the shafts


or to replace the steel shafts with bronze shafts. We are issuing this AD to detect and correct damage


of the pilot and co-pilot control wheels and aileron cable operating arm shafts. This damage could


result in the aileron controls becoming stiff or locking, which could lead to loss of control of the


airplane.


DATES:
 
This AD becomes effective on March 4, 2005.


As of March 4, 2005, the Director of the Federal Register approved the incorporation by


reference of certain publications listed in the regulation.


ADDRESSES:
 
To get the service information identified in this AD, contact Gippsland Aeronautics


Pty. Ltd., Latrobe Regional Airport, P.O. Box 881, Morwell, Victoria 3840, Australia; telephone: 61


(0) 3 5172 1200; facsimile: 61 (0) 3 5172 1201. To review this service information, go to the


National Archives and Records Administration (NARA). For information on the availability of this


material at NARA, go to:


http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html
 
or call


(202) 741-6030.


To view the AD docket, go to the Docket Management Facility; U.S. Department of


Transportation, 400 Seventh Street, SW., Nassif Building, Room PL-401, Washington, DC 20590-


001 or on the Internet at
 
http://dms.dot.gov
. The docket number is FAA-2004-19442.
2


FOR FURTHER INFORMATION CONTACT:
 
Doug Rudolph, Aerospace Engineer, Small


Airplane Directorate, ACE-112, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone:


816-329-4059; facsimile: 816-329-4090.


SUPPLEMENTARY INFORMATION:


Discussion


What events have caused this AD?
 
The Civil Aviation Safety Authority (CASA), which is the


airworthiness authority for Australia, recently notified FAA that an unsafe condition may exist on


certain Gippsland Aeronautics Pty. Ltd. Model GA8 airplanes. CASA reports three occurrences of


aileron control stiffness and one occurrence of aileron control locking during taxi. Rubbing between


the control wheel shaft and the bush in the control column may cause wear or damage to the control


wheel shaft where the shaft connects to the control column. This damage may lead to the aileron


control becoming stiff or locking.


What is the potential impact if FAA took no action?
 
Damage of the pilot and co-pilot control


wheels and aileron cable operating arm shafts could result in the aileron controls becoming stiff or


locking, which could lead to loss of control of the airplane.


Has FAA taken any action to this point?
 
We issued a proposal to amend part 39 of the Federal


Aviation Regulations (14 CFR part 39) to include an AD that would apply to certain Gippsland


Aeronautics Pty. Ltd. Model GA8 airplanes. This proposal was published in the Federal Register as a


notice of proposed rulemaking (NPRM) on November 8, 2004 (69 FR 64695). The NPRM proposed


to detect and correct damage of the pilot and co-pilot control wheels and aileron cable operating arm


shafts that could result in the aileron controls becoming stiff or locking, which could lead to loss of


control of the airplane.


Comments


Was the public invited to comment?
 
We provided the public the opportunity to participate in


developing this AD. We received no comments on the proposal or on the determination of the cost to


the public.


Conclusion


What is FAA's final determination on this issue?
 
We have carefully reviewed the available data


and determined that air safety and the public interest require adopting the AD as proposed except for


minor editorial corrections. We have determined that these minor corrections:


–Are consistent with the intent that was proposed in the NPRM for correcting the unsafe condition;


and


–Do not add any additional burden upon the public than was already proposed in the NPRM.


Changes to 14 CFR Part 39–Effect on the AD


How does the revision to 14 CFR part 39 affect this AD?
 
On July 10, 2002, the FAA published a


new version of 14 CFR part 39 (67 FR 47997, July 22, 2002), which governs the FAA's AD system.


This regulation now includes material that relates to altered products, special flight permits, and


alternative methods of compliance. This material previously was included in each individual AD.


Since this material is included in 14 CFR part 39, we will not include it in future AD actions.