AD/TB20/30 - Fuel Tank Internal Ribs
1AD/TB20/30 - Fuel Tank Internal Ribs
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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Aerospatiale (Socata) TB20 (Trinidad) Series Aeroplanes
AD/TB20/30 Fuel Tank Internal Ribs 3/95
Applicability: TB aircraft serial numbers 1038 through 1442, 1444 through 1462, 1464 through
1581, 1583 through 1606, 1608 through 1619, and 1629; and aircraft serial numbers 1 through 1037 on which the tank rib has been repaired since the application of modification No.78.
Requirement: Action in accordance with Socata Mandatory Service Bulletin 10.084.57.
Note: DGAC AD 94-247(A) refers.
Compliance: Within 100 hours time in service after 2 March 1995 or prior to 31 December 1995, whichever occurs first.
Background: Tank sealant has been found obstructing the fuel tank internal rib drain holes. This Directive requires fuel tank internal inspections to ensure the necessary drain holes are clear.