AD 86-14-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | HS 748 Series 2A | Airworthiness Directives; BRITISH AEROSPACE Model BAe HS 748 Airplanes |
| aircraft | BAE Systems (Operations) Limited | HS 748 Series 2B | Airworthiness Directives; BRITISH AEROSPACE Model BAe HS 748 Airplanes |
Unsafe Condition
Cracked microswitch rocker arm assemblies could lead to loss of autofeather capability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect microswitch rocker arm assemblies per BAe Service Bulletin 76/15, Revision 3. Replace cracked assemblies before further flight. Install modified assemblies per the same service bulletin to terminate inspection requirement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 500 flight hours time-in-service after the effective date of this AD, unless accomplished within the last 500 flight hours time-in-service, and thereafter at intervals not to exceed 1000 flight hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
BRITISH AEROSPACE Model BAe HS 748 Series 2A and 2B airplanes on which Modification 6909 has not been incorporated.
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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