AD/B727/199 AFM Amendment Fuel Pump Circuit Breaker (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 727 Series Aeroplanes

AD/B727/199 AFM Amendment - Fuel Pump Circuit Breaker 1/2006 DM

Applicability:	All Model 727, 727C, 727-100, 727-100C, 727-200 and 727-200F series aeroplanes.
Requirement:	Revise the Limitations Section of the Boeing 727 Aircraft Flight Manual (AFM) to include the following statement, this may be accomplished by inserting a copy of this Directive into the AFM:
"Do not reset a tripped fuel pump circuit breaker.''
When a statement identical to that above has been included in the general revisions of the AFM, the general revisions may be inserted into the AFM and the copy of this Directive may be removed from the AFM.
Note:  FAA AD 2005-23-07 Amdt 39-14365 refers.
Compliance:	Within 30 days after the effective date of this Directive.
This Airworthiness Directive becomes effective on 13 December 2005.
Background:	The Federal Aviation Administration has advised that following a fuel system safety review conducted by the aeroplanes manufacturer, Boeing, an AFM amendment to prohibit the resetting of a tripped fuel pump circuit breaker was necessary to prevent possible ignition sources within the fuel tank.

James Coyne
Delegate of the Civil Aviation Safety Authority

16 November 2005