AD 67-14-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lavia Argentina S.A. (Laviasa) | PA-25-235 | Airworthiness Directives; Piper Model PA-25-235 Airplanes |
Unsafe Condition
Failure of engine exhaust system components such as cracks, burn-throughs, weld separations, or failed internal baffles.
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Required Actions
Conduct initial inspections within specified time frames, inspect exhaust system for damage, inspect lower ignition harness, engine mount, rubber bushings, and ducting. Remove damaged parts before further flight. Perform recurrent inspections every 50 hours' time in service. Adjust intervals up to 15 hours for annual or 100-hour inspections. Install Piper Part No. 753-753 to discontinue recurrent inspections.
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Compliance Time
Within the next 50 hours' time in service after the effective date for aircraft with 150+ hours total time; before 200 hours' total time for aircraft with less than 150 hours. Recurrent inspections every 50 hours' time in service thereafter. Adjustments up to 15 hours allowed.
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Affected Aircraft
Piper Model PA-25-235 Airplanes, Serial Numbers 25-2000 to 25-4171 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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