AD 80-19-12 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 76 | Airworthiness Directives; Beech Model 76 Airplanes |
Unsafe Condition
Cracks in the lower tubes of the engine mount assemblies extending from the firewall to the lower engine-mounting pads, particularly near the gusset on the forward end of the tubes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 50 hours time-in-service after the effective date, and every 100 hours thereafter, perform dye penetrant inspections of the lower engine mount tubes. Visually inspect the same areas every 50 hours time-in-service. Repair any detected cracks before further flight. Replace engine mounts with P/N 105-910019-1 to discontinue inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours time-in-service after the effective date of this AD and thereafter at intervals not to exceed 100 hours time-in-service
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Affected Aircraft
Beech Model 76 (Serial Numbers ME-1 through ME-415) airplanes certificated in any category with 100 hours or more time-in-service.
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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