AD 77-15-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | HS 748 Series 2A | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LIMITED Model HS-748 2A Airplanes |
Unsafe Condition
Possible loss of aileron control due to cracks, loose rivets, corroded support bearings, or pivot bolts in the aileron hinge structures and ribs attached to the wing rear spar.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 100 hours time in service after the effective date, inspect aileron hinge structures for damage per Service Bulletin 57/25. If damage is found, perform internal inspections of hinge ribs and repair or replace damaged parts before further flight. Install strengthened gusset plates (Modification 4873), reinforcing straps (Modification 4874), and reinforcing plates (Modification 4875) within 1000 hours time in service. Repeat inspections at intervals not exceeding 100 hours until modifications are completed.
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Compliance Time
Within the next 100 hours time in service after the effective date of this AD, unless already accomplished, and thereafter at intervals not to exceed 100 hours time in service from the last inspection
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Affected Aircraft
HAWKER SIDDELEY AVIATION, LIMITED Model HS-748, Series 2A airplanes, certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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