AD 79-19-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-31T | Airworthiness Directives; Piper Models PA-31T1 and PA-31T Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31T1 | Airworthiness Directives; Piper Models PA-31T1 and PA-31T Airplanes |
Unsafe Condition
Shorting of the electroluminescent panel inverters creating smoke in the cockpit
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace and/or relocate the electroluminescent panel power supply inverter following Piper Service Bulletin No. 640 dated June 22, 1979.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 100 hours in service or at the next scheduled inspection, whichever occurs first
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Models PA-31T1 (Serial Nos. 31T-7804001 to 31T-7904016) and PA-31T (Serial Nos. 31T-7400002 to 31T-7920036)
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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