COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 737 Series Aeroplanes AD/B737/80 Amdt 1 Wing Leading Edge Panel 4/95 Applicability: Model 737-300, -400, and -500 series aircraft, with line numbers 1001 through 1976, 1978 through 2197, and 2199. Requirement: Modify the leading edge slat and internal structure at Front Spar Station 250.663 in accordance with Boeing Service Bulletin 737-57-1221. Note: FAA AD 94-06-11 Amdt 39-8858 and AD 94-26-13 Amdt 39-9108 refer. Compliance: Unless already accomplished, prior to 21 April 1996. Background: Reports were received of fuel leakage from the fuel line at front spar station 250.663, which then flowed through a drain hole in a slat access panel and into the turbine exhaust area. Amendment 1 is issued in response to a new FAA AD which expands the applicability to include additional affected aircraft.