AD 75-17-13

final rule
Data completeness: 70%

Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C Helicopters

AD Number
75-17-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Airbus Helicopters Deutschland GmbH BO-105A Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C Helicopters
aircraft Airbus Helicopters Deutschland GmbH BO-105C Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C Helicopters

Unsafe Condition

Failure of the tail rotor blade tip cap

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

Required Actions

Inspect tail rotor blades for condition, modify as prescribed, and return to service in accordance with MBB BO-105 Service Bulletin No. 30-8 or an equivalent approved by the FAA.

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

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

Affected Aircraft

Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C helicopters, incorporating tail rotor blade P/N 105-31742, Serial Numbers 548 and lower

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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