AD 2000-25-52

final rule
Data completeness: 70%

Airworthiness Directives; MD Helicopters, Inc. Model 369A, H, HE, HM, HS, D, E, FF, and 500N Helicopters

AD Number
2000-25-52
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-SW-63-AD
FR Citation
66 FR 6451

Applicability

TypeManufacturerModelDetails
aircraft MD Various Airworthiness Directives; MD Helicopters, Inc. Model 369A, H, HE, HM, HS, D, E, FF, and 500N Helicopters

Unsafe Condition

Failure of a blade due to fatigue cracking originating at corrosion pits on the spar bonded surfaces, which could result in loss of control of the helicopter.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Perform a tap inspection on both the upper and lower surfaces of each main rotor blade. Replace any blade with detected voids exceeding specified inspection requirements with an airworthy blade before further flight.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

MD Helicopters, Inc. Model 369A, H, HE, HM, HS, D, E, FF, and 500N helicopters with specific main rotor blade part numbers and serial numbers as detailed in the AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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