AD/CESSNA 208/22 - Alternate Static Air Source Valve (Cth)

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 208 Series Aeroplanes AD/CESSNA 208/22 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 208 20800417, 20800418 and 20800419 208B 208B1294 through 208B1310 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) 208 20800001 through 20800416 208B 208B0001 through 208B1293 Note 2: P/N 2013142-18 replaced P/Ns 2013142-9, -13 and -17. Requirement: 1. For aeroplanes listed in Table 1 - Inspect the alternate static air source selector valve to assure that the part number identification placard is not obstructing the port as follows: a. Adjust the pilot and copilot seats as far aft as possible. b. Use a flashlight and mirror to inspect the alternate static air source selector valve to assure the port on the forward end of the valve is clearly visible and not covered by the part number identification placard.