AD 86-20-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-44-180T | Airworthiness Directives; Piper Model PA-44-180T Airplanes |
Unsafe Condition
Smoke in the cockpit and possible complete electrical failure due to shorting of ammeter terminal posts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace both ammeters with Ammeter Replacement Kits (Piper Part No. 765-302) following Piper Service Bulletin No. 847 within 50 hours time-in-service. Allow flight under FAR 21.197 to a location where the AD can be accomplished. Equivalent methods require approval from the Atlanta Aircraft Certification Office.
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
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Affected Aircraft
Piper Model PA-44-180T (Serial Numbers 44-8107001 through 44-8207020)
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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