AD 97-15-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell International Inc. | TPE331-10 | Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines |
| engine | Honeywell International Inc. | TPE331-10A | Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines |
| engine | Honeywell International Inc. | TPE331-10AV | Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines |
| engine | Honeywell International Inc. | TPE331-10B | Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines |
| engine | Honeywell International Inc. | TPE331-10G | Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines |
| engine | Honeywell International Inc. | TPE331-10GP | Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines |
| engine | Honeywell International Inc. | TPE331-10GR | Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines |
| engine | Honeywell International Inc. | TPE331-10GT | Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines |
| engine | Honeywell International Inc. | TPE331-10J | Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop Engines |
| engine | Honeywell International Inc. | TPE331-10N | 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 about a non-responsive power lever. Replace or rework orifice fittings and restrictors as terminating actions to the AFM revision requirement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
AlliedSignal Inc. TPE331-3, -5, -6, -10, -11, -12 series turboprop engines equipped with Woodward fuel controls, installed on specified aircraft models including Ayres S2R-G5, S2R-G6, S2R-G10, Beech Model B100, CASA C-212, Dornier 228, Fairchild SA226/SA227, Jetstream 3101/3201, Mitsubishi MU-2B, Short SC-7 Skyvan Series 3, Twin Commander 680/690/695.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.