AD 82-08-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, -20, -25, -26 and MU-2B-30, -35, -36 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-10 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, -20, -25, -26 and MU-2B-30, -35, -36 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-15 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, -20, -25, -26 and MU-2B-30, -35, -36 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-20 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, -20, -25, -26 and MU-2B-30, -35, -36 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-25 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, -20, -25, -26 and MU-2B-30, -35, -36 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-26 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, -20, -25, -26 and MU-2B-30, -35, -36 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-30 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, -20, -25, -26 and MU-2B-30, -35, -36 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-35 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, -20, -25, -26 and MU-2B-30, -35, -36 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-36 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, -20, -25, -26 and MU-2B-30, -35, -36 Series Airplanes |
Unsafe Condition
Nonshielded and noncolor-coded white or brown (tan) engine electrical wiring with loose weave or specific insulation types may have tight loops, kinks, or bulged deformations, leading to potential electrical failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 25 hours time-in-service from the AD's effective date, visually inspect engine wiring at connectors P4001 and P4020. Depending on wire type and condition, perform additional inspections every 25 hours or replace with M 22759/7-XX or M 22759/8-XX wire by 300 hours time-in-service. Replace wiring harnesses with defects before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 hours time-in-service from the effective date of this AD, and subsequent inspections every 25 hours time-in-service. Replacement must be completed on or before 300 hours time-in-service after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Mitsubishi Heavy Industries, Ltd. Models MU-2B, -10, -15, -20, -25, -26 (S/N 005 thru 347, except 313 and 321) and MU-2B-30, -35, -36 (S/N 501 thru 696, except S/N 652 and 661)
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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