AD 81-10-07

final rule
Data completeness: 70%

Airworthiness Directives; BELL HELICOPTER TEXTRON (BHT) Model 212 Series Helicopters

AD Number
81-10-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
81-ASW-18
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Bell Helicopter Textron, Inc. 212 Airworthiness Directives; BELL HELICOPTER TEXTRON (BHT) Model 212 Series Helicopters

Unsafe Condition

Cracks in the swashplate support-to-gimbal-ring attachment lugs could lead to possible loss of main rotor control.

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

Required Actions

Within 10 flight hours after the AD's effective date, clean and inspect the swashplate support lugs for cracks using an inspection mirror and flashlight. Replace the swashplate support if cracks are found. Reduce retirement life of P/N 204-011-404-017 to 400 flight hours and replace with P/N 204-011-404-121 by April 30, 1982.

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

Compliance Time

Within the next 10 flight hours following the effective date of this AD and continuing at intervals not to exceed 10 flight hours

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

Affected Aircraft

Bell Helicopter Textron Model 212 series helicopters with swashplate support part number 204-011-404-017 installed.

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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