AD 75-16-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-20 | Airworthiness Directives; Mitsubishi MU-2B-20, MU-2B-25, MU-2B-30, and MU-2B-35 Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-25 | Airworthiness Directives; Mitsubishi MU-2B-20, MU-2B-25, MU-2B-30, and MU-2B-35 Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-30 | Airworthiness Directives; Mitsubishi MU-2B-20, MU-2B-25, MU-2B-30, and MU-2B-35 Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-35 | Airworthiness Directives; Mitsubishi MU-2B-20, MU-2B-25, MU-2B-30, and MU-2B-35 Airplanes |
Unsafe Condition
Fatigue failure of the wing flap main actuator jack screw.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect left and right wing flap main actuator jack screws for cracks, replace cracked jack screws, realign main actuator gear box housing units per Service Bulletin 167, ensure nominal 2.0 mm (0.080 inch) clearance between gear box housings and wing rear spar with no less than 0.5 mm (0.020 inch), and modify main gear box/remove rubber pad if equipped.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Mitsubishi MU-2B-20/-25 (serial numbers 201 through 311 except 285, 291, 301, 305, and 309), and MU-2B-30/-35 (serial numbers 541 through 650 except 559, 612, 632, 645, and 648)
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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