AD 84-12-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, 20, 25, -26, -26A, -30, -35, 36, 36A, 40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-10 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, 20, 25, -26, -26A, -30, -35, 36, 36A, 40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-15 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, 20, 25, -26, -26A, -30, -35, 36, 36A, 40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-20 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, 20, 25, -26, -26A, -30, -35, 36, 36A, 40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-25 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, 20, 25, -26, -26A, -30, -35, 36, 36A, 40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-26 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, 20, 25, -26, -26A, -30, -35, 36, 36A, 40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-26A | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, 20, 25, -26, -26A, -30, -35, 36, 36A, 40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-30 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, 20, 25, -26, -26A, -30, -35, 36, 36A, 40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-35 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, 20, 25, -26, -26A, -30, -35, 36, 36A, 40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-36 | Airworthiness Directives; Mitsubishi Model MU-2B, -10, -15, 20, 25, -26, -26A, -30, -35, 36, 36A, 40, and -60 Series Airplanes |
Unsafe Condition
Malfunction of the engine air inlet anti-ice system
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a temporary placard on the main instrument panel within 25 hours time-in-service; retorque and lockwire safety the bleed air tubing coupling nuts within 100 hours time-in-service following the respective service bulletins; remove the placard after completing paragraph (b).
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 after the effective date of this AD (for the placard) and within the next 100 hours time-in-service after the effective date (for retorquing coupling nuts)
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, -26A, -30, -35, 36, 36A, 40, and -60 Serial Numbers 1 up to and including 1564 with or without the SA suffix
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.