AD 54-10-01

final rule
Data completeness: 60%

HAMILTON STANDARD Models 23260, 24260, and 34D Series Propellers

AD Number
54-10-01
Status
final_rule
Effective Date
Product Category
propeller
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Hamilton Standard Division 232 HAMILTON STANDARD Models 23260, 24260, and 34D Series Propellers
aircraft Hamilton Standard Division 242 HAMILTON STANDARD Models 23260, 24260, and 34D Series Propellers
aircraft Hamilton Standard Division 34D HAMILTON STANDARD Models 23260, 24260, and 34D Series Propellers

Unsafe Condition

Fatigue in highly stressed areas of the servo piston shaft could cause breakage, leading to reverse system malfunction.

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

Required Actions

Inspect the internal diameter of 75361 and previous wedge insert type servo piston shafts for a maximum of 0.688 inch. Magnetically inspect the stop return spring seat thread area of the shafts at the first overhaul after June 1, 1954, and at every subsequent overhaul.

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

Compliance Time

At the earliest opportunity, but not later than the first overhaul subsequent to June 1, 1954

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

Affected Aircraft

Hamilton Standard Division Models 23260, 24260, and 34D Series Propellers using Wedge Insert Type Low Pitch Assemblies

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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