AD 90-26-11

final rule
Data completeness: 70%

Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 212 Helicopters

AD Number
90-26-11
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-ASW-15
FR Citation
This information is not available.

Applicability

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

Unsafe Condition

Fatigue failure of the main rotor drag brace assembly 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

Determine if drag brace assemblies with part numbers 204-011-140-003 or -005 are installed. Inspect for corrosion and mechanical damage, perform magnetic particle inspection, replace if cracks or unremovable corrosion/damage are found, and reassemble with specified corrosion preventive compounds and torque settings. Comply initially within 100 hours' time in service after the effective date, then every 1,200 hours' time in service.

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

Compliance Time

Within the next 100 hours' time in service after the effective date of this AD. Thereafter, comply at intervals of 1,200 hours' time in service from the last inspection.

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

Affected Aircraft

All Bell Model 212 helicopters, certificated in any category, with main rotor hub assembly part number 204-012-101-009 and drag brace assemblies part numbers 204-011-140-003 or -005.

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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