AD 77-15-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | HS 748 Series 2A | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model H.S. 748, 2A Airplanes |
Unsafe Condition
Cracks in the outboard and center elevator hinge ribs and associated structure of the horizontal stabilizer.
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, and every 100 hours thereafter, visually inspect the outboard and center elevator hinge ribs per Service Bulletin 55/11. If cracks, loose rivets, or corroded bearings/pivot pins are found, conduct an internal inspection of the stabilizer rear spar attachment area per SB 55/11 and replace/repair affected parts before flight. Within 1000 hours time in service after the effective date, replace external gusset plates and add inspection holes per SB 55/12.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 100 hours time in service after the effective date of this AD, and thereafter at intervals not to exceed 100 hours time in service from the last inspection. For gusset plate replacement: within the next 1000 hours time in service after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Hawker Siddeley Aviation, Ltd. Model H.S. 748, Series 2A airplanes, all serial numbers.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.