AD 2012-02-51

final rule
Data completeness: 70%

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

AD Number
2012-02-51
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2012-0395
FR Citation
77 FR 23388

Applicability

TypeManufacturerModelDetails
aircraft Textron Canada Limited Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
aircraft Bell Helicopter Textron Canada Limited Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Unsafe Condition

Fatigue cracking in certain main rotor blades, leading to blade failure and potential loss of control of the helicopter.

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

Required Actions

Reduce the life limit of affected main rotor blades from 3,600 hours TIS to 1,400 hours TIS. Revise the life limit in the Airworthiness Limitations section of the Instructions for Continued Airworthiness or maintenance manual. Record the revised life limit on the component history card or equivalent record.

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

Bell Helicopter Textron Canada Limited Model 206L, 206L-1, 206L-3, and 206L-4 helicopters with main rotor blades part numbers 206-015-001-107, 206-015-001-109, 206-015-001-111, 206-015-001-115, 206-015-001-117, 206-015-001-119, or 206-015-001-121, and serial numbers listed in Table 1 of 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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