AD 92-22-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | SAAB 340B | Airworthiness Directives; SAAB-SCANIA Models SAAB SF340A and SAAB 340B Series Airplanes |
| aircraft | Saab AB, Saab Aerosystems | 340A (SAAB SF340A) | Airworthiness Directives; SAAB-SCANIA Models SAAB SF340A and SAAB 340B Series Airplanes |
Unsafe Condition
Corrosion on the wing upper panel in the fuel tank access door area could reduce strength and cause fuel leakage.
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Required Actions
Within 6 months after the effective date, perform a visual inspection for corrosion on the wing upper panel in the fuel tank access door area per SAAB Service Bulletin 340-57-020, Revision 1. If corrosion is found, blend/grind it out, measure thickness, apply surface treatments if within tolerances, or repair if outside tolerances before further flight. A second inspection must be done within 6 months after the first, followed by installing protection plates and surface treatments before further flight.
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Compliance Time
Within 6 months after the effective date of this AD, and a second inspection within 6 months after accomplishing paragraph (a).
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Affected Aircraft
SAAB-SCANIA Models SAAB SF340A and SAAB 340B series airplanes listed in SAAB Service Bulletin 340-57-020, Revision 1.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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