AD 78-23-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-38-112 | Airworthiness Directives; Piper Model PA-38-112 Airplanes |
Unsafe Condition
Weakening of the wing rear spar to fuselage attach fitting connection due to missing rivets.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform steps 1 through 4 as indicated in Piper Service Bulletin No. 618, dated September 5, 1978, or equivalent, within the next 10 hours in service after the effective date. Equivalent inspections, repairs, and alterations must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
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Compliance Time
Within the next 10 hours in service after the effective date of this AD
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Affected Aircraft
Piper Model PA-38-112 Serial Nos. 38-78A0001, 38-78A0005 thru 38-78A0016, 38-78A0018 thru 38-78A0039, 38-78A0042 thru 38-78A0130, 38-78A0132 thru 38-78A0212, 38-78A0214 thru 38-78A0233, 38-78A0235 thru 38-78A0270, 38-78A0272 thru 38-78A0324, 38-78A0326 thru 38-78A0329, 38-78A0331, 38-78A0333 thru 38-78A0356, 38-78A0358 thru 38-78A0372, 38-78A0374, 38-78A0375, 38-78A0377 thru 38-78A0385, 38-78A0387 thru 38-78A0399, 38-78A0401 thru 38-78A0410, 38-78A0413, 38-78A0415, 38-78A0416, 38-78A0418 thru 38-78A0421, 38-78A0424 thru 38-78A0426, 38-78A0428, 38-78A0429, 38-78A0431, 38-78A0432, 38-78A0434, 38-78A0435, 38-78A0437 thru 38-78A0439, 38-78A0441 thru 38-78A0443, 38-78A0445, 38-78A0446, 38-78A0449 thru 38-78A0455, 38-78A0457 thru 38-78A0466, 38-78A0468, 38-78A0469, 38-78A0471, 38-78A0472, 38-78A0474, 38-78A0475, 38-78A0477, 38-78A0478, 38-78A0480, 38-78A0481, 38-78A0483, 38-78A0484, 38-78A0486, 38-78A0489, 38-78A0490, 38-78A0492 thru 38-78A0494, 38-78A0496 thru 38-78A0498, 38-78A0500 thru 38-78A0502, 38-78A0504 thru 38-78A0506, 38-78A0509, 38-78A0510, 38-78A0512 thru 38-78A0526, 38-78A0528 thru 38-78A0532, 38-78A0534, 38-78A0535, 38-78A0537, 38-78A0538, 38-78A0540, 38-78A0541, 38-78A0544, 38-78A0546 thru 38-78A0548, 38-78A0550, 38-78A0552, 38-78A0555, 38-78A0556, 38-78A0558, 38-78A0559, 38-78A0561, 38-78A0565, 38-78A0567, 38-78A0568, 38-78A0570, 38-78A0573, 38-78A0574, 38-78A0576, 38-78A0578, 38-78A0581, 38-78A0584, 38-78A0585, 38-78A0587, 38-78A0588, 38-78A0606 and 38-78A0622.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
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