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Airworthiness Directive

AD 2018-13-05 83 FR 28763 Active

Federal Aviation Administration · 14 CFR part 39

Requires initial and repetitive engine oil filter sampling and analysis of the affected engines and inspections of certain hydraulic torque sensor gear assemblies.

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FR document
2018-13266
Amendment
39-19317
Published
2018-06-21
Effective
2018-07-26
Models covered
1

Last live check: 2026-08-19

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AD

2018-13-05

FR doc 2018-13266 · 83 FR 28763

AD 2018-13-05Published 2018-06-21Effective 2018-07-26

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires initial and repetitive engine oil filter sampling and analysis of the affected engines and inspections of certain hydraulic torque sensor gear assemblies.

Full official abstract

We are adopting a new airworthiness directive (AD) for certain Honeywell International Inc. (Honeywell) TPE331 turboprop and TSE331 turboshaft engines. This AD was prompted by recent reports of failures of the direct drive fuel control gears and bearings in the hydraulic torque sensor gear assembly, part number (P/N) 3101726-3. This AD requires initial and repetitive engine oil filter sampling and analysis of the affected engines and inspections of certain hydraulic torque sensor gear assemblies. We are issuing this AD to address the unsafe condition on these products.

More directives for Honeywell TPE331

  1. AD 2018-22-01 Airworthiness Directives; Honeywell International Inc. Turboprop Engines Effective 2018-12-10
  2. AD 2018-17-15 Airworthiness Directives; Honeywell International Inc. Turboprop and Tur... Effective 2018-10-22
  3. AD 2018-02-14 Airworthiness Directives; Honeywell International Inc. Turboprop and Tur... Effective 2018-02-28
  4. AD 2016-21-07 Airworthiness Directives; Honeywell International Inc. Turboprop Engines Effective 2016-11-28
  5. AD 2016-18-17 Airworthiness Directives; Honeywell International Inc. Turboprop and Tur... Effective 2016-11-04

All Honeywell TPE331 directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index