AD Amdt-39-10084

final rule
Data completeness: 70%

Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines

AD Number
Amdt-39-10084
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 96-ANE-13
FR Citation
62 FR 39425

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines
engine Garrett Engine Division and Garrett Turbine Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines

Unsafe Condition

Icing of the inlet Pt2 sensor can produce an erroneous (high) pressure signal to the fuel control, causing little or no response to power lever movement.

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

Required Actions

Revise the Emergency Procedures or Abnormal Procedures Section of the FAA-approved AFM or POH to include a paragraph on non-responsive power lever. Replace or rework orifice fittings and restrictors to terminate the requirement to revise the AFM.

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

Compliance Time

Before further flight

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

Affected Aircraft

AlliedSignal Inc. TPE331 series turboprop engines with Woodward fuel controls.

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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