AD 83-19-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-24 | Airworthiness Directives; Piper Model PA-24-180/250/260, PA-24-400, PA-30 and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-24-250 | Airworthiness Directives; Piper Model PA-24-180/250/260, PA-24-400, PA-30 and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-24-260 | Airworthiness Directives; Piper Model PA-24-180/250/260, PA-24-400, PA-30 and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-24-400 | Airworthiness Directives; Piper Model PA-24-180/250/260, PA-24-400, PA-30 and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-30 | Airworthiness Directives; Piper Model PA-24-180/250/260, PA-24-400, PA-30 and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-39 | Airworthiness Directives; Piper Model PA-24-180/250/260, PA-24-400, PA-30 and PA-39 Airplanes |
Unsafe Condition
Wing lower main spar cap damage and possible cracks where it enters the fuselage at the lower wing root fairing.
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, inspect the lower spar cap for chafing damage and cracks per Piper SB 751. Polish out chafing damage or replace cracked parts before further flight. Trim the lower portion of seal plates per SB 751 before reinstallation. Use equivalent methods if approved.
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 prior to further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Models PA-24-180/250/260 (S/N 24-1 and up); PA-24-400 (S/N 26-2 and up); PA-30 (S/N 30-2 thru 30-2000); PA-39 (S/N 39-1 thru 39-155).
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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