AD/BAe 146/56 - Aileron Servo and Trim Tab Drive Brackets
1AD/BAe 146/56 - Aileron Servo and Trim Tab Drive Brackets
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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 British Aerospace BAe 146 Series Aeroplanes
AD/BAe 146/56 Aileron Servo and Trim Tab Drive Brackets 12/95
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Applicability: All Series BAe 146 aircraft.
Requirement: Action in accordance with Avro International Aerospace Mandatory Service Bulletin 57-47.
Compliance: As specified in the requirement document with the initial inspection before 28 September 1995.
Background: The manufacturer received a report of corrosion on the bracket surface between the two tab drive flanges in the area of the two attachment bolts. This has given rise to cracking of the flanges at their base in severe corrosion cases.