# Alliedsign TPE-331-10UG

- Type: Engine model (FAA registry)
- Registry code: 02590
- Manufacturer (registry): ALLIEDSIGN
- Model: TPE-331-10UG
- Engine type: Turbo-prop
- Power: 940 hp
- Data sheet: [TCDS E4WE](https://openairdocs.org/tcds/E4WE) (OpenAirDocs)
- Holder: Honeywell Aerospace US LLC
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/alliedsign-tpe-331-10ug

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 2018-22-01](https://openairdocs.org/ad/2018-22-01): Turbine Section · Honeywell International TPE331-10, TPE331-10N, TPE331-10R and 8 more. Effective Dec 10, 2018
- [AD 2018-17-15](https://openairdocs.org/ad/2018-17-15): Turbine Engine Combustion Section · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 39 more. Effective Oct 22, 2018
- [AD 2016-21-07](https://openairdocs.org/ad/2016-21-07): Fuel control drive · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 26 more. Effective Nov 28, 2016
- [AD 2016-18-17](https://openairdocs.org/ad/2016-18-17): Compressor impeller · Honeywell International TPE331-10, TPE331-10AV, TPE331-10GP and 22 more. Effective Nov 4, 2016
- [AD 2015-18-03](https://openairdocs.org/ad/2015-18-03): Engine propeller shaft coupling failures · Honeywell International TPE331-10, TPE331-10R, TPE331-10U and 8 more. Effective Nov 13, 2015
- [AD 2012-02-06](https://openairdocs.org/ad/2012-02-06): First stage turbine disks · Honeywell International TPE331-10, TPE331-10AV, TPE331-10GP and 12 more. Effective Mar 15, 2012
- [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 2009-17-05](https://openairdocs.org/ad/2009-17-05): First stage turbine disks · Honeywell International TPE331-10, TPE331-10A, TPE331-10AV and 20 more. Effective Sep 1, 2009
- [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 2004-09-29](https://openairdocs.org/ad/2004-09-29): First Stage Turbine Disks · Honeywell International TPE331-10, TPE331-10A, TPE331-10AV and 20 more. Effective Jun 15, 2004
- [AD 2002-25-02](https://openairdocs.org/ad/2002-25-02): First stage compressors implellers · Honeywell International TPE331-10, TPE331-10A, TPE331-10AV and 35 more. Effective Jan 21, 2003
- [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
- [AD 89-07-07 R1](https://openairdocs.org/ad/89-07-07-R1): Oil Scavenge Pump Assembly · Honeywell International TPE331-1, TPE331-10, TPE331-10R and 26 more. Effective Oct 30, 1989
- [AD 84-10-06 R1](https://openairdocs.org/ad/84-10-06-R1): Fuel Pump Assemblies · Honeywell International TPE331-1, TPE331-10, TPE331-10B and 45 more. Effective Dec 26, 1984

Historical (superseded or no longer in force):

- [AD 2018-02-14](https://openairdocs.org/ad/2018-02-14) (historical): Turbine Engine Combustion Section · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 38 more. Effective Feb 28, 2018
- [AD 2015-12-04](https://openairdocs.org/ad/2015-12-04) (historical): Fuel control unit (FCU) · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 26 more. Effective Jul 22, 2015
- [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 2006-15-08](https://openairdocs.org/ad/2006-15-08) (historical): Woodward fuel control unit (FCU) assemblies · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 26 more. Effective Aug 24, 2006
- [AD 88-12-10](https://openairdocs.org/ad/88-12-10) (historical): Turbine Rotor · Honeywell International TPE331-10, TPE331-10R, TPE331-10U and 6 more. Effective Jun 6, 1988
- [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) (2)

- [SAIB NE-16-19](https://openairdocs.org/saib/NE-16-19): Turbine Engine Compressor Section  Stator Nozzle Distress. Issued Jul 22, 2016
- [SAIB NE-16-18](https://openairdocs.org/saib/NE-16-18): Power Lever  Loss of Power Control. Issued Jul 11, 2016

## Registered aircraft

None registered with this engine model now.

## 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 (100, newest 50)

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

- [SDR CA100826012](https://openairdocs.org/sdr/CA100826012), Aug 25, 2010: ENGINE. MAKING METAL. (CAN) ON APPROACH THE NR 2 ENGINE LOST POWER, FLAMED OUT AND STARTED TO NEGATIVE TORQUE SIGNAL (NTS). THE PILOTS WENT THROUGH THE PROCEDURE TO SHUT DOWN AND FEA
- [SDR CA100827002](https://openairdocs.org/sdr/CA100827002), Jul 25, 2010: SEAL. FAILED. (CAN) DURING SERVICE CHECK TECH FOUND ENGINE OIL TO BE OVER SERVICED. ENGINE OIL ALSO HAD A REDDISH COLOR. UPON FURTHER INSPECTION HYDRAULIC OIL FOUND TO BE UND
- [SDR CA080724003](https://openairdocs.org/sdr/CA080724003), Jul 17, 2008: BEARING. SPALLED. (CAN) SN OF THE PART IS MS030633106124 WAS UNABLE TO PUT THIS INTO SN FIELD. A/C WAS DOWN FOR A ROUTINE OIL SAMPLE. AT THIS TIME THE OIL SAMPLE WAS NOTED TO HAV
- [SDR CA080709005](https://openairdocs.org/sdr/CA080709005), Jul 6, 2008: RETAINING RING. MISSING. (CAN) RUDDER PEDAL BECAME DISENGAGED FROM PEDAL SPIGOT, RS87 RETAINING RING CAME OUT OF RETAINING SLOT. RETAINING RING SEEMED TO HAVE INSUFFICIENT TENSION TO ST
- [SDR CA080609009](https://openairdocs.org/sdr/CA080609009), Jun 4, 2008: ATTACH FITTING. CRACKED. (CAN) WHILE CARRYING OUT A 7 DAY SERVICE CHECK, TECH FOUND 3 FLAP TO SLAT ATTACHEMENT CLEATS, P/N`S 137201B88, 137202B62 AND 137203B57 WERE FOUND TO BE CRACKED.
- [SDR CA080606005](https://openairdocs.org/sdr/CA080606005), May 16, 2008: BEARING. LACK OF LUBE. (CAN) ON TAXI FOR DEPARTURE THE PILOT NOTICED A VIBRATION FROM THE NOSE GEAR. HE RETURNED AND MAINT FOUND LT NOSE WHEEL INNER BEARING SEAL WAS STICKING OUT FROM
- [SDR 2008FA0000250](https://openairdocs.org/sdr/2008FA0000250), Mar 5, 2008: ENGINE. OVERHEATED. IN CRUISE TO 8000 FT, INDICATION OF RED LIGHT OF OIL PRESSURE WITH 870 DEGREE TEMPERATURE. LIGHT TURNS OFF. AFTER 15 SECONDS, THE LIGHT TURNS ON AGAIN WITH 870 
- [SDR CA080306002](https://openairdocs.org/sdr/CA080306002), Mar 4, 2008: VALVE. FAILED. (CAN) THE RT NON RETURN VALVE ASSEMBLY DOWNSTREAM OF THE RT HYDRAULIC PUMP FAILED. NON RETURN VALVE ASSEMBLY IS A UNIT THAT IS SWAGED TOGETHER. THE SWAGE LET GO
- [SDR CA071217006](https://openairdocs.org/sdr/CA071217006), Dec 14, 2007: BOLT. BACKED OUT. (CAN) ON CLIMB OUT, THE PILOT REPORTS NR 1 ENG RPM DROPPED TO 97 PERCENT AND HE WAS NOT ABLE TO RESTORE THE ENG TO 100 PERCENT RPM. PROCEEDED TO MAKE AN UNSCHED
- [SDR CA071219010](https://openairdocs.org/sdr/CA071219010), Dec 14, 2007: TUBE. CHAFED. (CAN) DURING A SCHEDULED FLIGHT BETWEEN, A WARNING INDICATION OF OIL PRESSURE LOSS ON THE NR 1 ENGINE APPEARED ON THE ANNUNCIATOR PANEL. THE CREW VERIFIED THE W
- [SDR CA071026008](https://openairdocs.org/sdr/CA071026008), Oct 23, 2007: LINE. LEAKING. (CAN) DURING A ROUTINE 200 HOUR AIRFRAME INSP, HYD FLUID WAS FOUND TO BE LEAKING FROM ABOVE THE BAGGAGE POD ON THE BELLY OF THE AC. THE AIRCRAFT`S IMPENDING DEP
- [SDR CA070927003](https://openairdocs.org/sdr/CA070927003), Sep 25, 2007: BOLT. SHEARED. (CAN) DURING INSPECTION IAW AD 024-05-87 BAE SB 53-A-JA870510R1 PART B, IT WAS NOTED THAT THE TWO UPPER BOLTS WERE SHEARED. THE AIRCRAFT WAS REMOVED FROM SERVIC
- [SDR CA070615003](https://openairdocs.org/sdr/CA070615003), Jun 13, 2007: SWITCH. FAILED. (CAN) DURING APPROACH, THE CREW EXPERIENCED A LANDING GEAR FAILURE AND OBSERVED THE CIRCUIT BREAKER HAD POPPED. THEY PROCEEDED WITH AN EMERGENCY LANDING GEAR EX
- [SDR CA070615004](https://openairdocs.org/sdr/CA070615004), Jun 13, 2007: BOLT. FAILED. (CAN) SCHEDULE INSPECTION AD UK 024-05-87 / SB53A-JA870510R1, WE NOTICE THE 2 UPPER BOLT OF THE NLG JACK MOUNTING BRACKET WERE SHEARED AND THE 2 LOWER ONES WERE
- [SDR BMAC07002](https://openairdocs.org/sdr/BMAC07002), Apr 23, 2007: BULB. WRONG PART. DURING APPROACH PHASE AT BED UNABLE TO GET GREEN LIGHT ON RT MAIN AND NOSE. SWAPPED BULBS AND FINALLY GOT GREEN LIGHT ON RT MAIN. STILL NO RED OR GREEN LIGHT ON
- [SDR BMAC07003](https://openairdocs.org/sdr/BMAC07003), Apr 23, 2007: LINE. LEAKING. UPON LANDING, BRAKES AND STEERING FOUND TO BE VERY SLUGGISH AND BOTH HYD PUMPS INDICATED NEAR ZERO, APPROX. 100 PSI. TAXI TO GATE WITH NO FURTHER INCIDENT. MAIN
- [SDR CA070409007](https://openairdocs.org/sdr/CA070409007), Feb 28, 2007: GEAR. UNKNOWN. (CAN) GEARS DRIVING THE FUEL PUMP FAILED CAUSING THE ENGINE TO SHUTDOWN IN FLIGHT. (TC NR 20070409007)
- [SDR CA070215002](https://openairdocs.org/sdr/CA070215002), Feb 13, 2007: HOUSING. BROKEN. (CAN) ACCESSORY DRIVE HOUSING BOTTOM CASE DRAIN THREADED MOUNTING BOSS DISCOVERED BROKEN. ENGINE REMOVED AND LOANER ENGINE INSTALLED. (TC NR 20070215002)
- [SDR CA070212005](https://openairdocs.org/sdr/CA070212005), Feb 7, 2007: ENGINE. UNSERVICEABLE. (CAN) DURING PRE FLIGHT INSPECTION FLIGHT CREW HEARD ABNORMAL NOISE COMING FROM ENGINE WHILE THEY TURNED THE PROPELLER. MAINTENANCE WAS NOTIFIED AND ENGINE WAS 
- [SDR CA070131007](https://openairdocs.org/sdr/CA070131007), Jan 28, 2007: WINDSHIELD. DELAMINATED. (CAN) DURING MAINTENANCE INSPECTION, WINDOW WAS FOUND TO BE DELAMINATING AT THE CENTER OF THE BOTTOM EDGE. WINDOW WAS REPLACED. (TC NR 20070131007)
- [SDR BMAC06012](https://openairdocs.org/sdr/BMAC06012), Dec 29, 2006: BATTERY PACK. DISCHARGED. PILOT REPORTED FORWARD EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED AFT BATTERY PACK, SYSTEM OPERATION CHECKED GOOD IAW AMM 33-50-00.
- [SDR CA070115011](https://openairdocs.org/sdr/CA070115011), Nov 26, 2006: PLANETARY GEAR. DAMAGED. (CAN) UPON DOING A OIL SAMPLE, METAL WAS NOTED IN THE OIL FILTER. THE ENGINE P-63235C WAS REMOVED. ENGINE WAS FORWARDED TO THE ENGINE SHOP FOR INSPECTION OF THE
- [SDR CA061024003](https://openairdocs.org/sdr/CA061024003), Oct 24, 2006: UNKNOWN. ODOR. (CAN) DURING CRUISE FLIGHT CREW COULD DETECT FUMES OF AN ELECTRICAL NATURE. AIRCRAFT RETURNED TO DEPARTURE POINT WITHOUT INCIDENT. A MAINTENANCE INVESTIGATION I
- [SDR CA061020004](https://openairdocs.org/sdr/CA061020004), Oct 14, 2006: LINE. CRACKED. (CAN) P3 LINE FLANGE FOUND WITH SMALL CRACK DURING ROUTINE ENGINE CHANGE. LINE REPLACED WITH NEW UNIT. (TC# 20061020004)
- [SDR CA061108005](https://openairdocs.org/sdr/CA061108005), Sep 12, 2006: BRACKET. CRACKED. (CAN) FLAP SLAT BRACKETS CRACKED AT RADIUS. (TC NR 20061108005)
- [SDR CA061109005](https://openairdocs.org/sdr/CA061109005), Sep 4, 2006: BRACKET. CRACKED. (CAN) IB FLAP P/N 13760B463, SLAT BRACKETS P/N 137204B51 AND 137205B67 FOUND CRACKED AT BEND RADIUS. REMOVED AND REPLACED WITH NEW. (TC NR 20061109005)
- [SDR CA060719005](https://openairdocs.org/sdr/CA060719005), Jul 19, 2006: WHEEL. DAMAGED. (CAN) DURING TOWING OF AIRCRAFT THE PIC AND GROUND HANDLERS NOTICED A WOBBLE ON THE RH MLG. MAINTENANCE WAS CONTACTED AND IT WAS DISCOVERED THAT A 10" PIECE OF 
- [SDR CA060616006](https://openairdocs.org/sdr/CA060616006), Jun 15, 2006: CONNECTOR. DAMAGED. (CAN) AFTER DEPARTURE CLIMBING THROUGH 7500FT THE RIGHT ENGINE TORQUE STARTED TO FLUCTUATE.CREW PULLED THE QRH AND FOLLOWED THE DRILLS AND WERE GETTING 10-20% F
- [SDR CA060525003](https://openairdocs.org/sdr/CA060525003), May 25, 2006: ENGINE. MALFUNCTIONED. IN CRUISE, RT ENGINE TORQUE INCREASED TO 104.5%, WHEN TTL TURNED OFF WENT TO 120%. FUEL FLOW ON RT ENG DROPPED TO 200LBS.
- [SDR CA060529004](https://openairdocs.org/sdr/CA060529004), Apr 28, 2006: FLANGE. SPLIT. FOUND OIL DRIPPING UNDER RIGHT ENGINE AFTER SHUT DOWN, ENGINE CLEANED AND CASE NEGATIVE PRESSURE CHECKED, FOUND SERVICEABLE. ENGINE GROUND RUN/MAX POWER CARRIED
- [SDR CA060209005](https://openairdocs.org/sdr/CA060209005), Feb 7, 2006: STARTER GEN. FAILED. (CAN) RT GENERATOR FAILER INDICATION ON APPROACH. CREW LANDED A/C WITH NO MORE PROBLEMS. STARTER/GENERATOR REPLACED. STARTER/GEN 67.9 HOURS REMAINING BEFORE OVE
- [SDR CA060116001](https://openairdocs.org/sdr/CA060116001), Jan 12, 2006: VALVE. CRACKED. ON APPROACH, UPON FLAP SELECTION, NO SYSTEM HYD PRESSURE. EMERG GEAR SELECTION USED TO EXTEND L/G, AND TO OBTAIN 10 DEGREES FLAP. A/C LANDED W/O INCIDENT, DUE T
- [SDR CA060104004](https://openairdocs.org/sdr/CA060104004), Jan 2, 2006: WINDSCREEN. CRACKED. AT CRUISE ALT 20,000 FT, NOTICED CRACK AND SUBSEQUENT FLAME WITHIN LAYERS OF LT WINDSHIELD. FLAME SELF EXTINGUISHED WITH DE-SELECTION OF WINDSHIELD HEAT. DURING
- [SDR CA051214001](https://openairdocs.org/sdr/CA051214001), Dec 13, 2005: GENERATOR. FAILED. (CAN) IAW AMM 24-30-00 501 DC GENERATION-ADJUSTMENT/TEST. GENERATOR VOLTAGE MUST BE WITHIN 0.3 VOLTS OF EACH OTHER. WHEN REPLACING COMPONENTS IN THE GENERATOR S
- [SDR CA051011005](https://openairdocs.org/sdr/CA051011005), Sep 21, 2005: GENERATOR. SEPARATED. (CAN) GENERATOR WENT OFF LINE IN CLIMB OUT. AIRCRAFT RETURNED TO BASE. GENERATOR REPLACED WITH OVERHAULED UNIT. SYSTEM TESTED SATISFACTORY.
- [SDR CA050919008](https://openairdocs.org/sdr/CA050919008), Sep 14, 2005: ENGINE. UNKNOWN. (CAN) ENGINE REMOVED AND SENT REPAIR STATION. RESULTS TO FOLLOW.
- [SDR CA051003009](https://openairdocs.org/sdr/CA051003009), Sep 11, 2005: BRUSHES. FRAYED. (CAN) FOUND WIRES NOT FASTENED TO STARTER GENERATOR BRUSHES, DUE TO RIVET BEING LOOSE,WHICH THEN CAUSED ARCING OF WIRE AND RIVET TO CAUSE THE TEMPOR OUT OF THE 
- [SDR CA050818003](https://openairdocs.org/sdr/CA050818003), Aug 9, 2005: BULKHEAD. CRACKED. (CAN) CRACK ON FRONT PRESSURE BULKHEAD LT VERTICAL WEB, AT LT NOSE GEAR TRUNNION ATTACHMENT BRACKET TOP CENTER BOLT HOLE.
- [SDR BMAC050010](https://openairdocs.org/sdr/BMAC050010), Aug 6, 2005: CONNECTOR. DIRTY. ERATIC TORQUE +/- 4 PERCENT RT ENGINE INDICATION. MAINTENANCE CLEANED PLUG AT DELTA P/P TRANSDUCER IAW J31 MM 76-10-21, PERFORMED ENGINE RUN, OPS CHECKED GOOD A
- [SDR CA050506011](https://openairdocs.org/sdr/CA050506011), Apr 1, 2005: CASE. CRACKED. (CAN) RT ENGINE FAILED TO MEET TAKEOFF TORQUE SETTING. EX ONLY GOT 90 PERCENT TORQUE ON A +7C, 1900 ASL (TRUE) DAY. SHOULD BE 104.5. ON INSPECTION, IT WAS FOUND
- [SDR CA050414008](https://openairdocs.org/sdr/CA050414008), Mar 8, 2005: LINE. LEAKING. (CAN) IT WAS NOTICED AFTER A FUEL NOZZLE CHANGE THAT THERE WAS FUEL LEAKING. FUEL LEAK WAS CAUSED BY CHAFING BY THE ADEL CLAMP THAT WAS ATTACHED TO THE TUBE ASS
- [SDR CA050308012](https://openairdocs.org/sdr/CA050308012), Feb 24, 2005: BRACKET. CRACKED. (CAN) FLAP SLAT BRACKET FOUND CRACKED DURING MAINTENANCE, CHECK THE CRACKS IN THOSE 3 BRACKETS ARE 1 INCH LONG LOCATED IN THE FORWARD RADIUS OF THE BENDS.
- [SDR CA050131006](https://openairdocs.org/sdr/CA050131006), Jan 19, 2005: ENGINE. FAILED. (CAN) ENGINE FAILED IN FLIGHT, AIRCRAFT HAD JUST EXITED ICING CONDITIONS, CONTINUOUS IGNITION WAS TURNED OFF A FEW MINUTES PRIOR TO ENGINE FAILURE. AIRCRAFT RET
- [SDR CA050217003](https://openairdocs.org/sdr/CA050217003), Jan 17, 2005: STUD. FAILED. (CAN) GEARBOX COMPRESSOR BEARING RETAINING STUDS FAILED CAUSING THE NR 1 IDLER TO MISALIGN WITH THE FCU DRIVE TRAIN AND THE ROTATING GROUP TO MOVE FORWARD.
- [SDR CA050131004](https://openairdocs.org/sdr/CA050131004), Jan 15, 2005: STARTER GEN. FAILED. (CAN) GENERATOR WENT OFF LINE, SMOKE AND OIL VISUAL ON COWLING.
- [SDR CA050131007](https://openairdocs.org/sdr/CA050131007), Jan 11, 2005: ENGINE. FAILED. (CAN) SOAP SAMPLE INDICATED MAJOR ALUMINIUM IN THE OIL SYSTEM, 2ND SOAP SAMPLE TAKEN AND FOUND MAGNESIUM AND CARBON STEEL PARTICLES IN THE SAMPLE. ENGINE REMOVE
- [SDR BMAC05001](https://openairdocs.org/sdr/BMAC05001), Jan 10, 2005: WINDSCREEN. CRACKED. PILOT REPORTED: DURING CLIMB OUT, (W/S) CAPTION APPEARED FOR THE RT WINDSCREEN. UPON FURTHER INSPECTION NOTICED CRACKS IN THE UPPER PORTION OF THE WINDSCREEN. C
- [SDR BMAC040019](https://openairdocs.org/sdr/BMAC040019), Jan 6, 2005: HANDLE. OUT OF ADJUST. PILOT REPORTED: DOOR CAP LIGHT CAME ON DURING FLIGHT. PERFORMED DOOR HANDLE ADJUSTMENTS IAW AMM. OPS CHECKED GOOD AT THIS TIME.
- [SDR BMAC040018](https://openairdocs.org/sdr/BMAC040018), Jan 3, 2005: SELECTOR SWITCH. INOPERATIVE. PILOT REPORTED: ON TAKE-OFF, GEAR HANDLE WOULD NOT MOVE TO THE UP POSITION. RETURNED TO DEPARTURE. REMOVED AND REPLACED LANDING GEAR SELECTOR SWITCH IAW AMM. OP
- [SDR BMAC040017](https://openairdocs.org/sdr/BMAC040017), Dec 29, 2004: SELECTOR VALVE. INOPERATIVE. UNCOMMANDED FLAP DEPLOYMENT IN FLIGHT VERIFIED VISUALLY TO APPROXIMATELY 20 DEGREES. FLAPS CONTINUED TO DEPLOY TOWARD 35. UPON LANDING FLAPS RETURNED TO ZERO VE

All 100: https://openairdocs.org/engine/alliedsign-tpe-331-10ug/reports.md

## 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

## PMA parts (OpenAirDocs) (178, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

- [S9413-114WE](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144043282220261009134010.0001): Packing, Preform - Fluorocarbon. Wencor, LLC · PMA PQ1370NM · Replaces S9413-114 · Oct 1, 2026
- [3101373-1HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126059261820250813163423.0001): Lock Plate. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 3101373-1 · Aug 7, 2025
- [893579-1HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146766403720250813163429.0001): Bushing. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 893579-1 · Aug 4, 2025
- [3101703-7HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137102380520250807175046.0001): Bushing. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 3101703-7 · Aug 4, 2025
- [3101703-8HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131745553520250807175047.0001): Bushing. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 3101703-8 · Aug 4, 2025
- [967659-4ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126232837620250303153208.0001): Seat-Valve. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 967659-4 · Feb 20, 2025
- [1010-808ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186320971520240926215357.0001): Washer. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 1010-808 · Sep 5, 2024
- [3003-348ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133544675020240926215358.0001): Shim. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3003-348 · Sep 5, 2024
- [3210-100ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109913645120240926215358.0001): Washer. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3210-100 · Sep 5, 2024
- [AAP-1410- 628](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176846208520240515131435.0001): Thrust Bearing. Approved Air Parts Co Inc · PMA PQ4173NE · Replaces Woodward P/N: 1410-628 used in… · May 6, 2024
- [AAP-1415- 336](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136948528220240424190520.0001): Thrust Bearing. Approved Air Parts Co Inc · PMA PQ4173NE · Replaces Woodward P/N: 1415-336 used in… · Apr 17, 2024
- [AAP-1415- 336](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111511963520240424190519.0001): Thrust Bearing. Approved Air Parts Co Inc · PMA PQ4173NE · Replaces Woodward P/N: 1415-336 used in… · Apr 17, 2024
- [3103365-1ANB](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153947124120250430234712.0001): Screen. ANB Aviation of CT, LLC · PMA PQ10055NE · Replaces 3103365-1 · Feb 15, 2024
- [S9413-012WE](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164716779820240919135854.0001): Packing, Preform - Fluorocarbon. Wencor, LLC · PMA PQ1370NM · Replaces S9413-012 · Sep 11, 2023
- [182783ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145582205620230203133414.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 182783 · Jan 30, 2023
- [1019-916ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137827152720230203133411.0001): Ring, Spiral Retaining. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 1019-916 · Jan 30, 2023
- [1354-116ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134383448420230203133413.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 1354-116 · Jan 30, 2023
- [2118250-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186433805520230727204705.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118250-2 · Mar 8, 2022
- [2117420-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184114086320230727204701.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2117420-3 · Mar 8, 2022
- [2101322-15](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183301110720230727204657.0001): Electronic Engine Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101322-15 · Mar 8, 2022
- [2101322-14](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181206374420230727204656.0001): Electronic Engine Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101322-14 · Mar 8, 2022
- [2118600-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178945110720230727204707.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118600-3 · Mar 8, 2022
- [2117700-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159584220120230727204702.0001): Integrated Engine Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2117700-4 · Mar 8, 2022
- [1390-136ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156136011120220405145935.0001): Diaphragm, Rolling. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 1390-136 · Mar 8, 2022
- [2118600-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154125286620230727204708.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118600-4 · Mar 8, 2022
- [2101826-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149262360420230727204658.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101826-3 · Mar 8, 2022
- [2117420-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136784847620230727204700.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2117420-1 · Mar 8, 2022
- [2118356-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129256531020230727204706.0001): Electronic Engine Control. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118356-1 · Mar 8, 2022
- [2118724-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123850908720230727204709.0001): Integrated Engine Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118724-2 · Mar 8, 2022
- [2117868-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122037585620230727204703.0001): Memory Module. Honeywell International Inc. · PMA PQ1222NM · Replaces 2117868-1 · Mar 8, 2022
- [2101990-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111913565620230727204659.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101990-3 · Mar 8, 2022
- [2118042-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111660216320230727204704.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118042-2 · Mar 8, 2022
- [2101322-13](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID106726957420230727204655.0001): Electronic Engine Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101322-13 · Mar 8, 2022
- [949594-12](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105942022120230727204654.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949594-12 · Mar 8, 2022
- [949594-9](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183325598120230727204723.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949594-9 · Mar 7, 2022
- [949592-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178202395420230727204719.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949592-5 · Mar 7, 2022
- [949594-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174718865720230727204720.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949594-5 · Mar 7, 2022
- [949594-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117722158620230727204721.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949594-6 · Mar 7, 2022
- [949594-8](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115640397520230727204722.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949594-8 · Mar 7, 2022
- [218095ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID732648720520220105142916.0001): Screw, Fil HD DR CRES. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 218095 · Dec 22, 2021
- [3003-325ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID493521808820220105142917.0001): Shim, Laminated. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3003-325 · Dec 22, 2021
- [3204-059ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181465244720220105142916.0001): Washer, CRES. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3204-059 · Dec 22, 2021
- [1404-404ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID676417904920211228130116.0001): Ring, Slide. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 1404-404 · Dec 15, 2021
- [1019-092ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID457222930920211228130115.0001): Ring, Wire Retaining. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 1019-092 · Dec 15, 2021
- [1382-178ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146967926620211228130115.0001): Seal, Spring- Loaded. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 1382-178 · Dec 15, 2021
- [3003-325ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID419324450202201051428520.0001): Shim, Laminated. Torrington Distributors Inc · PMA PQ2067NE · Replaces 3003-325 · Dec 7, 2021
- [218095ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID286003867202201051428510.0001): Screw, Fil HD DR CRES. Torrington Distributors Inc · PMA PQ2067NE · Replaces 218095 · Dec 7, 2021
- [3204-059ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109754381820220105142852.0001): Washer, CRES. Torrington Distributors Inc · PMA PQ2067NE · Replaces 3204-059 · Dec 7, 2021
- [1386-150ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID557144642520210910172005.0001): Seal. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 1386-150 · Jul 20, 2021
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID557477514020210611145222.0001): ANB Aviation Parts LLC · PMA PQ1730CE · Jan 7, 2021

All of them: https://openairdocs.org/engine/alliedsign-tpe-331-10ug/pma.md

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