AD 90-19-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD Helicopters, Inc. | 369 | Airworthiness Directives; McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369A | Airworthiness Directives; McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369D | Airworthiness Directives; McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369E | Airworthiness Directives; McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369F | Airworthiness Directives; McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369FF | Airworthiness Directives; McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369H | Airworthiness Directives; McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369HE | Airworthiness Directives; McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369HM | Airworthiness Directives; McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369HS | Airworthiness Directives; McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 Series Helicopters |
Unsafe Condition
Overrunning clutch assembly failure may result in loss of engine power to the main rotor.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove overrunning clutch assembly part numbers 369A5350-BSC, -601, or -603; install subassembly P/N 369A5350-41 or replace with P/N 369A5350-605. Inspect race inner clutch P/N 369A5353-3, race outer clutch P/N 369A5352, and sprag assembly P/N 369D25351 at intervals not exceeding 300 hours' time in service or annual inspections. Replace sprag assemblies P/N 369D25351 and P/N 369A5364 before 1,800 total hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 300 hours' time in service after the effective date of this AD or at the next annual inspection, whichever occurs first
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Affected Aircraft
McDONNELL DOUGLAS HELICOPTER COMPANY (MDHC) Model 369 series helicopters equipped with a cargo hook
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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