AD 2007-24-14

final rule
Data completeness: 70%

Airworthiness Directives; Hartzell Propeller Inc. Model HC-E5N-3( ), HC-E5N-3( )(L), and HC-E5B-5( ) Propellers

AD Number
2007-24-14
Status
final_rule
Effective Date
Product Category
propeller
Docket
Docket No. FAA-2007-28656
FR Citation
72 FR 67564

Unsafe Condition

Discovery of a five-bladed propeller hub with a large crack on the mounting flange, potentially caused by a pre-existing defect in one of the propeller mounting bolt holes. This defect may lead to crack growth and catastrophic failure.

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

Required Actions

Perform a one-time eddy current inspection of the propeller hub mounting bolt holes. Replace the propeller hub if cracked.

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Compliance Time

Before further flight

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Affected Aircraft

Hartzell Propeller Inc. Model HC-E5N-3( ), HC-E5N-3( )(L), and HC-E5B-5( ) propellers installed on Piaggio P-180 Avanti airplanes with propeller serial numbers up to and including HF229 or KU92 (except those listed in Table 1), and Grumman S-2 Tracker airplanes with propeller serial numbers up to and including HN14.

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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