Federal Register of Legislation
AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.001(1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.
Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes AD/CESSNA 170/83 Alternate Static Air Source Valve 7/2008 TX
Applicability: Aeroplanes models listed in Table 1 and Table 2 that have an alternate static air source selector valve, part number (P/N) 2013142-18, installed after 19 November 2007. Note 1: Aircraft listed in Table 1 had an alternate static air source selector valve, P/N 2013142-18, installed during manufacture but may have also had the affected part installed as a replacement part. Table 1 - Applicability for Aeroplanes that Had the Affected Part Installed at Manufacture Model Serial Numbers 172S 172S10672 through 172S10674, 172S10676, 172S10678 through 172S10680, 172S10682, 172S10683 and 172S10685 Table 2 - Applicability for Aeroplanes that Could Have Had the Affected Part Installed as a Replacement Part or From Parts Held as Spares Model Serial Numbers (S/N) 172 All S/Ns 172R All S/Ns beginning with 17280001 172S 172S8001 through 172S10671 F172D All S/Ns F172E All S/Ns F172F All S/Ns F172G All S/Ns F172H All S/Ns F172K All S/Ns F172L All S/Ns F172M All S/Ns F172N All S/Ns F172P All S/Ns FR172E All S/Ns FR172F All S/Ns
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