Airworthiness Directive · Amendment 39-15637 · Fuselage
Pilatus Aircraft Ltd. Model PC-6 Airplanes
This AD applies to PC-6, PC-6-H1, PC-6-H2, PC-6/350, PC-6/350-H1, PC-6/350-H2, PC-6/A, PC-6/A-H1, PC-6/A-H2, PC-6/B-H2, PC-6/B1-H2, PC-6/B2-H2, PC-6/B2-H4, PC-6/C-H2, and PC-6/C1-H2 airplanes, manufacturer serial numbers (MSN) MSN 101 through MSN 949 and MSN 2001 through MSN 2092, certificated in any category.
Note 1: These airplanes may also be identified as Fairchild Republic Company PC-6 airplanes, Fairchild Heli Porter PC-6 airplanes, or Fairchild-Hiller Corporation PC-6 airplanes.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Unless already done, do the following actions:
(1) Within the next 12 months after September 17, 2008 (the effective date of this AD), inspect and modify the fastener assemblies as instructed in paragraph 3 of Pilatus Aircraft Ltd. Pilatus PC-6 Service Bulletin No. 53-002, Revision No. 2, dated September 24, 2007.
(2) As of September 17, 2008 (the effective date of this AD), no person shall install on any PC-6 series aircraft, water tank assemblies and hydraulic pump assemblies, unless they have been previously modified following paragraph 4 of Pilatus Aircraft Ltd. Pilatus PC-6 Service Bulletin No. 53-002, Revision No. 2, dated September 24, 2007.
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.
