AD/CESSNA 177/34 - Alternate Static Air Source Selector Valve Placard (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 177 Series Aeroplanes AD/CESSNA 177/34 Alternate Static Air Source 3/2009 TX Selector Valve Placard

Applicability: Aeroplane models listed in Table 1 of this AD, that:

1. Were initially delivered from the manufacturer between 1 January 1993, and 31 March 2008; or

2. Have an alternate static air selector valve part number (P/N) 2013142-18 installed as a replacement part anytime after 1 January 1993.

Table 1 - Aeroplanes that Could Have Had the Affected Part Installed 177 177A 177B 177RG F177RG

Note 1: The affected part was shipped from Cessna Parts Distribution (CPD) between 1 January 1993 and 31 March 2008.

Note 2: P/N 2013142-18 replaced P/Ns 2013142-9, -13, and -17. Requirement: 1. For all affected aeroplanes that are not equipped for flight under instrument flight rules (IFR) - Inspect the alternate static air source selector valve to assure that the part number identification placard is not obstructing the port.

2. For all affected aeroplanes that are equipped for flight under IFR: