AD Amdt-39-10325

final rule
Data completeness: 70%

Airworthiness Directives; Rolls-Royce Limited Dart Series Turboprop Engines

AD Number
Amdt-39-10325
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 94-ANE-43
FR Citation
63 FR 7646

Applicability

TypeManufacturerModelDetails
engine Rolls-Royce Limited Dart Series Airworthiness Directives; Rolls-Royce Limited Dart Series Turboprop Engines

Unsafe Condition

Cracking of the snap diaphragm in the propeller low torque switch could delay propeller auto-feathering and adversely affect aircraft controllability.

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

Required Actions

Add two propeller low torque switch part numbers and two R-R Dart engine models to the AD, establish a calendar end-date for removal of the switches from service.

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

Affected Aircraft

Rolls-Royce Limited Dart series turboprop engines, including omitted part numbers and two engine models.

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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