AD/F27/145 - Engine Nacelle Fuel Line Inspection (Cth)

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES

Fokker F27 Series Aeroplanes

AD/F27/145 Engine Nacelle Fuel Line Inspection 1/98

Applicability: All Model Fokker F27 Mk100 through Mk 700 series aeroplanes, all serial numbers.

Requirement: 1. Inspect the forward fuel feed lines P/N F471-27-1 or P/N F252-27-1 (RH Nacelle) and P/N F470-27-1 or P/N F152-27-1 (LH Nacelle), located at frame STA.3038, for damage in accordance with Part 1 of the Accomplishment Instructions of Fokker Service Bulletin (SB) F27/28-62 dated September 1, 1997 or a later RLD approved revision. If damage is found proceed with paragraph (2) of these requirements. If no damage is found proceed with paragraph (3) of these requirements.

2. If any fuel line is found to be damaged, accomplish one of the following:

(a) If the depth of the damage exceeds 0.009 inch, replace the affected fuel line with an airworthy part of the same part number.

(b) If the depth of the damage is less than 0.009inch, re-inspect the affected fuel line at every daily inspection thereafter and replace the affected fuel line with an airworthy part of the same part number within the next 50 flight hours following detection.

3. Modify the routing and support of the High Tension leads of the Inboard Ignition units in accordance with Part 2 of the Accomplishment Instructions of Fokker SB F27/28-62 dated September 1, 1997 or a later RLD-approved revision.

Note: RLD BLA 1997-094(A) dated September 1997 refers.

Compliance: 1. Within six months of the effective date of this directive.

2. (a) Before Next Flight.

(b) Inspect at every daily inspection and replace within 50 flight hours of discovery.