AD 79-08-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-38-112 | Airworthiness Directives; Piper Model PA-38-112 Aircraft |
Unsafe Condition
Crack in the stabilizer pulley bracket mounting fitting P/N 77615-07 or improperly torqued stabilizer to fin or fin to fuselage attaching bolts could cause possible hazards in flight.
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Required Actions
Inspect edges of stabilizer pulley bracket mounting fitting P/N 77615-07 for cracks using dye penetrant method. Report positive findings including crack length to FAA within ten days. Replace cracked fitting with undamaged part before further flight except ferry flight under FAR 21.197 may be approved. Check torque of stabilizer to fin and fin to fuselage bolts to 90-110 in-lbs using calibrated wrench and tighten as required.
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Compliance Time
within the next ten hours in service unless previously accomplished (for specified serial numbers in (a)) and within the next 100 hours in service unless previously accomplished (for serial numbers in (b))
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Affected Aircraft
Piper Model PA-38-112, Serial Nos. 38-78A0001 through 38-78A0040, 38-78A0042 through 38-78A0592, 38-78A0594, 38-78A0596, 38-78A0598 through 38-78A0620, 38-78A0622 through 38-78A0658, 38-78A0660 through 38-78A0714, 38-78A0716 through 38-78A0721, 38-78A0723 through 38-78A0735, 38-78A0737 through 38-78A0740, 38-78A0742, 38-78A0743, 38-78A0745 through 38-78A0766, 38-78A0768 through 38-78A0778, 38-78A0780 through 38-78A0784, 38-78A0787 through 38-78A0811, 38-78A0813, 38-78A0814, 38-78A0816, 38-78A0818, 38-78A0820, 38-78A0821, 38-78A0829, 38-78A0844, 38-79A0003 through 38-79A0005, 38-79A0007, 38-79A0008, 38-79A0010 through 38-79A0014, 38-79A0017 through 38-79A0030, 38-79A0033 through 38-79A0036, 38-79A0038 through 38-79A0041, 38-79A0043 through 38-79A0047, 38-79A0049 through 38-79A0078, 38-79A0080 through 38-79A0089, 38-79A0092, 38-79A0093, 38-79A0095, 38-79A0097 through 38-79A0099, 38-79A0101 through 38-79A0110, 38-79A0112 through 38-79A0114, 38-79A0116, 38-79A0119 through 38-79A0121, 38-79A0123 through 38-79A0128, 38-79A0130 through 38-79A0132, 38-79A0135 through 38-79A0137, 38-79A0139, 38-79A0140, 38-79A0142 through 38-79A0148, 38-79A0150 through 38-79A0165, 38-79A0167, 38-79A0168, 38-79A0170, 38-79A0172 through 38-79A0175, 38-79A0177, 38-79A0179 through 38-79A0181, 38-79A0184 through 38-79A0189, 38-79A0191 through 38-79A0197, 38-79A0199, 38-79A0200, 38-79A0204 through 38-79A0206, 38-79A0208 through 38-79A0212, 38-79A0214, 38-79A0216, 38-79A0217, 38-79A0220 through 38-79A0222, 38-79A0226, 38-79A0229 through 38-79A0231, 38-79A0234 through 38-79A0236, 38-79A0238, 38-79A0240, 38-79A0242, 38-79A0246, 38-79A0248, 38-79A0250, 38-79A0253, 38-79A0259, 38-79A0271 through 38-79A0273, 38-79A0277, 38-79A0301, 38-79A0307 and 38-79A0312 for part (a), and 38-78A0001 through 38-79A0254 for part (b).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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