# Garrett TPE331-12

- Type: Engine model (FAA registry)
- Registry code: 29075
- Manufacturer (registry): GARRETT
- Model: TPE331-12
- Engine type: Turbo-prop
- Power: 940 hp
- Data sheet: [TCDS E4WE](https://openairdocs.org/tcds/E4WE) (OpenAirDocs)
- Holder: Honeywell Aerospace US LLC
- Installed in: 1 registered aircraft
- Page: https://openairdocs.org/engine/garrett-tpe331-12

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2011-18-51 R1](https://openairdocs.org/ad/2011-18-51-R1): Main shaft bearing · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 82 more. Effective Oct 19, 2011
- [AD 2006-14-03](https://openairdocs.org/ad/2006-14-03): New flight cycle counting method for first, second, and third-stage turbine rotors · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 48 more. Effective Aug 9, 2006
- [AD 98-12-09](https://openairdocs.org/ad/98-12-09): Fuel Manifold · Honeywell International TPE331-10, TPE331-10A, TPE331-10AV and 29 more. Effective Aug 7, 1998
- [AD 97-15-10](https://openairdocs.org/ad/97-15-10): Engine Inlet Ice Protection · Honeywell International TPE331-10, TPE331-10A, TPE331-10AV and 39 more. Effective Sep 22, 1997
- [AD 95-16-08](https://openairdocs.org/ad/95-16-08): Life Limited Turbine Components · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 62 more. Effective Sep 5, 1995
- [AD 94-26-07](https://openairdocs.org/ad/94-26-07): Fuel Control Governor Drive · Honeywell International TPE331-10, TPE331-10A, TPE331-10B and 32 more. Effective Apr 18, 1995
- [AD 93-15-11](https://openairdocs.org/ad/93-15-11): Propeller Pitch Control (PPC) Gasket · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 58 more. Effective Sep 7, 1993
- [AD 93-02-01](https://openairdocs.org/ad/93-02-01): Stratoflex Fuel Manifold Assemblies · Honeywell International TPE331-10, TPE331-10A, TPE331-10B and 21 more. Effective Mar 18, 1993

Historical (superseded or no longer in force):

- [AD 2011-18-51](https://openairdocs.org/ad/2011-18-51) (historical): Main shaft bearing · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 82 more
- [AD 92-02-19 PL](https://openairdocs.org/ad/92-02-19-PL) (historical): Fuel Manifold Assembly Leak · Honeywell International TPE331-10, TPE331-10A, TPE331-10AV and 29 more

## Information bulletins (advisory) (1)

- [SAIB NE-16-18](https://openairdocs.org/saib/NE-16-18): Power Lever  Loss of Power Control. Issued Jul 11, 2016

## Registered aircraft (1)

- [N8093Z](https://openairdocs.org/aircraft/N8093Z): [Coastal Defense Inc](https://openairdocs.org/faa-owner/COASTAL%20DEFENSE%20INC), [Mill Hall, PA](https://openairdocs.org/faa-place/PA/Mill%20Hall), built 1989, S/N T17

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## Service difficulty reports (4)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2023FA0000355](https://openairdocs.org/sdr/2023FA0000355), Jun 18, 2023: ENGINE. DAMAGED. ENGINE FAILURE DURING NORMAL DESCENT FROM PARACHUTE OPERATIONS. APPARENT TURBINE FAILURE AND ASSOCIATED COWLING DAMAGE. NO INJURIES OR ADDITIONAL AIRCRAFT ISSUE
- [SDR 2023FA0000158](https://openairdocs.org/sdr/2023FA0000158), Mar 24, 2023: REDUCTION GB. AUTO SHUTDOWN. PILOT REPORTED E2 FAILURE SPOOL BACK FOLLOWED BY CHIP DETECTOR LIGHT. MAINTENANCE REMOVED AND REPLACED 1ST IDLER, DIAPHRAGM, AND PLANETARY GEARS.
- [SDR CA120720007](https://openairdocs.org/sdr/CA120720007), Jul 18, 2012: MASTER CYLINDER. MALFUNCTIONED. (CAN) AC LANDED AND HAD TO USE EXCESSIVE BRAKE IN ORDER TO TURN ONTO TAXIWAY. MAINTENANCE CALLED AND FOUND LT MASTER CYLINDER TO BE DEFECTIVE, STICKY. UNIT REPL
- [SDR P4YA200900840](https://openairdocs.org/sdr/P4YA200900840), Sep 14, 2009: BRAKE SYS. FAILED. LOST RIGHT BRAKE ON FINAL TAXI IN.

## STCs that may be installed (OpenAirDocs) (1)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE00265AT](https://openairdocs.org/stc/SE00265AT): Install Ayres Fuel Manifold Purge Assembly Kit, P/N 21757-1 in accordance with "Installation Instructions - Ayres P/N 21757-1 Fuel Manifold Purge Assy-Kit" Dwg. No. 21757-1(1), Revision none, dated April 20, 1993, or later FAA approved revision. Thrush Aircraft Inc

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