AD 54-05-02

final rule
Data completeness: 60%

SENSENICH Model M76AM-2 Propellers

AD Number
54-05-02
Status
final_rule
Effective Date
Product Category
propeller
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Sensenich Propeller Manufacturing Company, Inc. 76AM6-2 SENSENICH Model M76AM-2 Propellers

Unsafe Condition

Blade tip failures due to nicks, gouges, and scratches within 8 inches of the blade tip on Model M76AM-2 propellers installed on Lycoming O-290-D and O-290-D2 engines.

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

Required Actions

Remove all nicks, gouges, and scratches within 8 inches of the blade tip, ensuring all traces of damage are eliminated. Use coarse emery cloth for minor damage and polish with fine emery cloth. Rebalancing is not required for minor repairs.

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

Compliance Time

March 15, 1954, and at intervals not to exceed each 25 hours operation thereafter.

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

Affected Aircraft

SENSENICH Model M76AM-2 Propellers installed on Lycoming Models O-290-D and O-290-D2 Engines.

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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