AD/SF340/47 - Flap Fittings at WS 123.38
1AD/SF340/47 - Flap Fittings at WS 123.38
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text SAAB SF340 Series Aeroplanes
AD/SF340/47 Flap Fittings at WS 123.38 7/95
Applicability: Model SF 340A with serial numbers 004 through 159, and Model SF 340B with serial numbers 160 through 379.
Requirement: Action in accordance with SAAB Service Bulletin 340-57-027.
Note: LFV AD 1-072 refers.
Compliance: As specified in the Requirement Document with the initial inspection to be performed within 800 hours time in service after 22 June 1995.
Background: The LFV received a report of a jammed flap assembly. The rear lug of one of the flap fittings at WS 123.38 was found broken and the bushing in the lug was worn. It was determined that an unfavourable tolerance combination of the parts in this case had resulted in high bearing stress on the bushing.