AD/B737/161 Amdt 2 - Main Wheel Well Electrical Connectors (Cth)

AIRWORTHINESS DIRECTIVE On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/B737/161 Amdt 1 and issues the following 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/B737/161 Amdt 2 Main Wheel Well Electrical Connectors 12/2005

Applicability: All Model 737-300, -400 and -500 series aeroplanes. Requirement: 1. Perform a detailed visual inspection of electrical connectors D5162P, D5162J, D5164P and D5164J (connectors are linked to the fuel shut-off valves and outboard landing lights), located in the main wheel wells, to detect discrepancies (missing spare contacts and filler rods, improper plugs or filler rods, contamination or corrosion), as specified in Boeing Service Letter (SL) 737-SL-24-138 dated 24 May 1999. Note 1: For the purposes of this Directive, a detailed visual inspection is defined as: "An intensive visual examination of a specific structural area, system, installation, or assembly to detect damage, failure, or irregularity. Available lighting is normally supplemented with a direct source of good lighting at intensity deemed appropriate by the inspector. Inspection aids such as mirror, magnifying lenses, etc., may be used. Surface cleaning and elaborate access procedures may be required." 2. Repair any discrepancies found during the Requirement 1 inspection in accordance with SL 737-SL-24-138. 3. Modify the electrical connectors located in the main wheel well in accordance with the Accomplishment Instructions of Boeing Special Attention Service Bulletin 737-28-1196, Revision 3, dated 1 April 2004. Modifications accomplished before the effective date of this Amendment in accordance with Boeing Special Attention SB 737-28- 1196, dated 5 December 2002; Revision 1, dated 13 March 2003; or Revision 2, dated 21 August 2003 are considered acceptable for compliance with this Requirement. Note 2: Accomplishment of Requirement 3 is terminating action for the Requirement 1 repetitive inspections 4. Carry out any necessary corrective action identified during the Requirement 3 modification in accordance with the service bulletin. Note 3: FAA AD 2001-14-06 Amdt 39-12316 and AD 2005-10-11 Amdt 39-14088 refer.