AD 84-12-01 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD Helicopters, Inc. | 369D | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369D and 369E Helicopters |
| aircraft | MD Helicopters, Inc. | 369E | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369D and 369E Helicopters |
Unsafe Condition
Unapproved main rotor blades with four ribs and a filled hole in the trailing edge inboard end may cause rotor blade failure in flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect main rotor blades using a coin tap test or equivalent to verify proper Part Number 369D21100 internal configuration (20 ribs spaced 1.5 inches apart) and absence of a filled hole in the trailing edge inboard end. Replace improper blades with airworthy P/N 369D21100 blades prior to further flight. Alternative inspections or modifications approved by the Manager, Western Aircraft Certification Office may be used.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
MD Helicopters, Inc. Model 369D and 369E helicopters with main rotor blades installed from any source.
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.