AD 2020-25-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Beechcraft Corporation | Models F90 | Airworthiness Directives; Textron Aviation, Inc. Airplanes (Type Certificate Previously Held by Beechcraft Corporation) |
| aircraft | Textron | Aviation | Airworthiness Directives; Textron Aviation, Inc. Airplanes (Type Certificate Previously Held by Beechcraft Corporation) |
| aircraft | Beechcraft | Various | Airworthiness Directives; Textron Aviation, Inc. Airplanes (Type Certificate Previously Held by Beechcraft Corporation) |
| aircraft | Aviat | Various | Airworthiness Directives; Textron Aviation, Inc. Airplanes (Type Certificate Previously Held by Beechcraft Corporation) |
Unsafe Condition
Fatigue cracks in the lower forward wing fitting due to premature torque indication caused by washer P/N 90-380058-1 on the wing bolt.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for the presence of washer P/N 90-380058-1 on the left-hand (LH) and right-hand (RH) lower forward wing bolt, remove washer P/N 90-380058-1 if applicable, inspect the wing fitting, bolt, and nut, replace the wing fitting if it is cracked, and replace the washer with washer P/N 90-380019-1.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 200 flight hours or 12 months, whichever occurs later.
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Affected Aircraft
Textron Aviation Inc. (type certificate previously held by Beechcraft Corporation) Models F90, 65-90, 65-A90, B90, C90, H90 (T-44A), E90, 65-A90-1 (JU-21A, U-21A, RU-21A, RU-21D, U-21G, RU-21H), 65-A90-2 (RU-21B), 65-A90-3 (RU-21C), 65-A90-4 (RU-21E, RU-21H), 99, 99A, 99A (FACH), A99, A99A, B99, C99, 100, A100 (U-21F), and B100 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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