AD 84-13-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | M7 Aerospace LLC | SA226-TC | FAIRCHILD (SWEARINGEN) Models SA226-TC, SA227-AT and SA227-TT Airplanes |
| aircraft | M7 Aerospace LLC | SA227-AC (C-26A) | FAIRCHILD (SWEARINGEN) Models SA226-TC, SA227-AT and SA227-TT Airplanes |
| aircraft | M7 Aerospace LLC | SA227-AT | FAIRCHILD (SWEARINGEN) Models SA226-TC, SA227-AT and SA227-TT Airplanes |
| aircraft | M7 Aerospace LLC | SA227-TT | FAIRCHILD (SWEARINGEN) Models SA226-TC, SA227-AT and SA227-TT Airplanes |
Unsafe Condition
Cockpit fires can occur due to flammable fluid leaks, oxygen line leaks or inadequate clearance from moving parts, and electrical wire contact with oxygen tubing or hydraulic lines.
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Required Actions
Within 50 hours time-in-service after the effective date, modify and inspect the generator control J-box and wire terminations per SBs 24-003 or 24-021. Inspect flammable fluid drains, check oxygen lines for leaks and clearance, and inspect electrical wires for clearance from oxygen tubing. Adjust inspection intervals up to 10% for maintenance coordination. Equivalent compliance may be approved.
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Compliance Time
within 50 hours time-in-service after the effective date of this AD
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Affected Aircraft
Fairchild (Swearingen) Models SA226-TC (S/N 398 and up), SA227-AC, SA227-AT, and SA227-TT (all serial numbers) airplanes
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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