Airworthiness Directive · Amendment 39-16325 · Fuselage
PILATUS Aircraft Ltd. Model PC-7 Airplanes
This AD applies to Model PC-7 airplanes, all serial numbers, certificated in any category.
We are adopting a new airworthiness directive (AD) for the
Unless already done, do the following actions:
(1) Within the next 120 days after July 13, 2010 (the effective date of this AD), perform a visual inspection of the forward bonding points and the terminal lugs on the left and right lower longerons between fuselage frames 1 and 1A for signs of corrosion. Do the inspection following paragraphs 3.C.(1), (2), and (3) of PILATUS PC-7 Service Bulletin No. 53-007, dated January 5, 2010.
(2) If any signs of corrosion are found during the inspection required in paragraph (f)(1) of this AD, prior to further flight, perform corrective actions in accordance with the Accomplishment Instructions in paragraph 3.D of PILATUS PC-7 SB No. 53-007, dated January 5, 2010. If the corrosion damage is out of limits, record the values; apply to PILATUS for a repair scheme at: PILATUS AIRCRAFT LTD., Customer Service Manager, CH-6371 STANS, Switzerland; telephone: +41 (0) 41 619 62 08; fax: +41 (0) 41 619 73 11; and implement the repair scheme.
Note 1: The Federal Office of Civil Aviation (FOCA), which is the airworthiness authority for Switzerland, will work with PILATUS in reviewing the results of the initial inspection as specified in PILATUS PC-7 Service Bulletin No. 53-007, dated January 5, 2010. From this, a repetitive inspection requirement or other action may be established. The FAA will evaluate any such action and determine whether further rulemaking is necessary.
Note 2: This AD differs from the MCAI and/or service information as follows: No differences.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft
