TP 6980E
Issue 3&4/2004

table of contents
HANGAR NOISE ......................................................................................... inside cover
FIXED WING ................................................................................................ 1
ROTORCRAFT ............................................................................................. 5
ENGINES ......................................................................................................

6 PROPELLERS ................................................................................................
7
HEADS UP ..................................................................................................

8
EQUIPMENT ADs ........................................................................................

9
SUSPECTED UNAPPROVED PARTS ............................................................

9
AGING AIRCRAFT .......................................................................................

10
FAA SPECIAL AIRWORTHINESS BULLETINS (SAIBs) ...................................

11
SUSPECTED UNAPPROVED PARTS ............................................................

12
AME SYMPOSIA ...........................................................................................

13
SDR LIST ......................................................................................................

14

COMPLETE
YOUR
AAIR FORM
ON THE WEB....
You will soon be able to complete your AAIR form on the Web at the following address:
http://www.tc.gc.ca/cawis-simnaw/
Full details of the AAIR requirements are provided in CAR V, Subpart 01, and the associated Standard 501, both of which are now available on the TC Internet at: www.tc.gc.ca.
Instructions for completing the AAIR online will be supplied with each copy of the reporting form #240059. In order to logon to the Web, simply use the AAIR Access Code indicated directly on the top right of the AAIR form that will have been mailed to you by TC.

Cover Photo: Convair 580
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fixed w
i
n
g

BELLANCA 7GCBC SDR # 20040512005
Aft Wing Spar Lower Stiffeners Chafed
This particular aircraft is retrofitted with metal spar wings. Attached between the aft wing spar and aft strut attachment point are three foot stiffeners. As a result, there is minimal clearance between the wing fabric and the stiffeners.
During flight, the inspection access metal cover clips vibrated, causing damage to the stiffener. Additionally, the turbulence absorbed by the aft struts further aggravates chafing to the stiffener.
The submitter recommends using a two-clip inspection hole cover rather than the four-clip type, and repositioning the clips may also reduce chafing damage. Indexing and labelling the fabric cover and wing may be advisable.
　
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