AD 90-05-06 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | M7 Aerospace LLC | SA226-AT | FAIRCHILD (SWEARINGEN) Models SA226-T, SA226-T(B), SA226-AT, SA226-TC, SA227-TT, SA227-AT and SA227-AC Airplanes |
| aircraft | M7 Aerospace LLC | SA226-T | FAIRCHILD (SWEARINGEN) Models SA226-T, SA226-T(B), SA226-AT, SA226-TC, SA227-TT, SA227-AT and SA227-AC Airplanes |
| aircraft | M7 Aerospace LLC | SA226-TC | FAIRCHILD (SWEARINGEN) Models SA226-T, SA226-T(B), SA226-AT, SA226-TC, SA227-TT, SA227-AT and SA227-AC Airplanes |
| aircraft | M7 Aerospace LLC | SA226-T(B) | FAIRCHILD (SWEARINGEN) Models SA226-T, SA226-T(B), SA226-AT, SA226-TC, SA227-TT, SA227-AT and SA227-AC Airplanes |
| aircraft | M7 Aerospace LLC | SA227-AC (C-26A) | FAIRCHILD (SWEARINGEN) Models SA226-T, SA226-T(B), SA226-AT, SA226-TC, SA227-TT, SA227-AT and SA227-AC Airplanes |
| aircraft | M7 Aerospace LLC | SA227-AT | FAIRCHILD (SWEARINGEN) Models SA226-T, SA226-T(B), SA226-AT, SA226-TC, SA227-TT, SA227-AT and SA227-AC Airplanes |
| aircraft | M7 Aerospace LLC | SA227-TT | FAIRCHILD (SWEARINGEN) Models SA226-T, SA226-T(B), SA226-AT, SA226-TC, SA227-TT, SA227-AT and SA227-AC Airplanes |
Unsafe Condition
Main landing gear doors may jam against the nacelle skin and prevent extension of the landing gear.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the gap between main landing gear doors and adjacent nacelle skins to ensure 0.38±0.03 inches clearance per Fairchild Service Bulletins SA226-32-055 or SA227-32-027. If rework is needed, accomplish required tasks before further flight. Allow ferry flight under FAR 21.197 to reach compliance location.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 250 hours time-in-service after the effective date of this AD
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Affected Aircraft
Fairchild (Swearingen) Models SA226-T (S/N T201-T275, T277-T291), SA226-T(B) (S/N T(B)276, T(B)292-T(B)417), SA226-AT (S/N AT001-AT074), SA226-TC (S/N TC201-TC419), SA227-TT (S/N TT421-TT541), SA227-AT (S/N AT423-AT695), SA227-AC (S/N AC406, AC415, AC416, AC420-AC729)
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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