AD/B737/357 - In-Flight Entertainment Systems (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.

Boeing 737 Series Aeroplanes AD/B737/357 In-Flight Entertainment Systems 8/2009

Applicability: Model 737-300, -400 and -500 series aeroplanes, as identified in Boeing Service Bulletin (SB) 737-24-1145, dated 4 March 2004 and Model 737-600, -700, -700C, -800 and -900 series aeroplanes, as identified in Boeing SB737-24-1147, Revision 1, dated 1 March 2007. Requirement: 1. For Model 737-300, -400 and -500 series aeroplanes - Install a new circuit breaker, relays and wiring to allow the flightcrew to turn off electrical power to the in-flight entertainment (IFE) systems through the IFE/galley switch and do all other specified actions as applicable, by accomplishing all the applicable actions specified in the Accomplishment Instructions of SB 737-24-1145. 2. For Model 737-300 series aeroplanes identified as Group 6 aeroplanes in SB 737-24-1145 and equipped with P5-13 module assembly part number (P/N) 69-37321-81 - Replace the lightplate assembly of the P5-13 module assembly with a new lightplate assembly and re-identify and test the modified P5-13 module assembly, in accordance with the Accomplishment Instructions of Boeing Component Service Bulletin (CSB) 69-37321-31-03, dated 21 August 2003. 3. For Model 737-600, -700, -700C, -800 and -900 series aeroplanes - Install a new circuit breaker, relays and wiring, as applicable, to allow the flightcrew to turn off electrical power to the IFE systems and other non-essential electrical systems through a utility switch in the flight compartment, by accomplishing all of the applicable actions specified in Parts 1, 2 or 3 of the Work Instructions of SB 737-24-1147, Revision 1. 4. For Model 737-600, -700, -700C, -800 and -900 series aeroplanes identified as Groups 3 through 139 inclusive in SB 737-24-1147, Revision 1 and equipped with P5-13 module assembly P/N 285A1840-3 or -4 - Modify the P5-13 module assembly, in accordance with the Accomplishment Instructions of Boeing CSB 285A1840-24-02, dated 28 August 2003.