AD/HS 125/89 Amdt 1 - Elevator Mass Balance Sideplate and Spigot Corrosion
1AD/HS 125/89 Amdt 1 - Elevator Mass Balance Sideplate and Spigot Corrosion
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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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British Aerospace BAe 125 Series Aeroplanes
AD/HS 125/89
Amdt 1
Elevator Mass Balance Sideplate and Spigot Corrosion
11/88
Applicability: All models to 700 series.
Requirement: Action in accordance with British Aerospace SB 27-142 Rev 2.
Compliance: a. prior to 31 December 1987 for aircraft manufactured prior to 1985 and repeat at each C3 (24 months) inspection thereafter.
b. at the next C2 inspection after 31 December 1987 for aircraft manufactured after 31 December 1984 and repeat at each C3 inspection thereafter.
Background: Corrosion has been reported on the sideplate and spigot. This could result in displacement of the sideplate, which if not corrected could result in control surface interference. Amdt 1 clarifies the inspection periodicity.