AD 2013-15-04

final rule
Data completeness: 80%

Airworthiness Directives; Hartzell Propeller, Inc. Propellers

AD Number
2013-15-04
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2013-0130
FR Citation
78 FR 45052

Unsafe Condition

Failures of the propeller hydraulic bladder diaphragm and resulting engine oil leak.

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Required Actions

Remove from service the propeller hydraulic bladder diaphragm, P/N B-119-2, without tab. Install a redesigned propeller hydraulic bladder diaphragm, P/N B-119-2, with tab.

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Compliance Time

Within 12 months after the effective date of this AD.

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Affected Aircraft

Hartzell Propeller, Inc. propeller models HC-(1,D)2(X,V,MV)20-7, HC-(1,D)2(X,V,MV)20-8, and HC-(1,D)3(X,V,MV)20-8 with a propeller hydraulic bladder diaphragm, part number (P/N) B-119-2, without tab, installed.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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