# Allison AE-2100A

- Type: Engine model (FAA registry)
- Registry code: 03042
- Manufacturer (registry): ALLISON
- Model: AE 2100A
- Engine type: Turbo-prop
- Power: 4,152 hp
- Data sheet: [TCDS TE1CH](https://openairdocs.org/tcds/TE1CH) (OpenAirDocs)
- Holder: Rolls-Royce Corporation
- Installed in: 5 registered aircraft
- Page: https://openairdocs.org/engine/allison-ae-2100a

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 2020-22-18](https://openairdocs.org/ad/2020-22-18): Turbine Engine Reduction Gear · Rolls-Royce AE 2100A, AE 2100D2, AE 2100D2A and 1 more. Effective Dec 15, 2020
- [AD 2001-17-31](https://openairdocs.org/ad/2001-17-31): Second Stage High Pressure Turbine Wheel · Rolls-Royce AE 2100A, AE 2100C, AE 2100D3 and 2 more. Effective Oct 5, 2001
- [AD 99-17-09](https://openairdocs.org/ad/99-17-09): Propeller Gearbox (PGB) and Power Section (P/S) Strut Fittings · Rolls-Royce AE 2100A and AE 2100C. Effective Sep 7, 1999
- [AD 99-03-09](https://openairdocs.org/ad/99-03-09): Turbine wheel failure · Rolls-Royce AE 2100A, AE 2100C and AE 2100D3. Effective Feb 19, 1999

## Registered aircraft (5)

- [N531JA](https://openairdocs.org/aircraft/N531JA): [Aleutian Airways LLC](https://openairdocs.org/faa-owner/ALEUTIAN%20AIRWAYS%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), S/N 2000-031
- [N681SA](https://openairdocs.org/aircraft/N681SA): [Aleutian Airways LLC](https://openairdocs.org/faa-owner/ALEUTIAN%20AIRWAYS%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1995, S/N 2000-021
- [N748SA](https://openairdocs.org/aircraft/N748SA): [Aleutian Airways LLC](https://openairdocs.org/faa-owner/ALEUTIAN%20AIRWAYS%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1997, S/N 2000-046
- [N813BB](https://openairdocs.org/aircraft/N813BB): [Meregrass Inc](https://openairdocs.org/faa-owner/MEREGRASS%20INC), [Dublin, TX](https://openairdocs.org/faa-place/TX/Dublin), built 1997, S/N 2000-044
- [N814BB](https://openairdocs.org/aircraft/N814BB): [Meregrass Inc](https://openairdocs.org/faa-owner/MEREGRASS%20INC), [Dublin, TX](https://openairdocs.org/faa-place/TX/Dublin), built 1996, S/N 2000-034

## 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 (15)

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

- [SDR 4VAA2022501140001](https://openairdocs.org/sdr/4VAA2022501140001), Jan 14, 2025: ENGINE. FAILED. ON DESCENT, THE CREW NOTED THAT NP STARTED ROLLING BACK AT APPROXIMATELY 10,000 FEET. AT AROUND 3,000 FEET, THE RIGHT HAND ENGINE FAILED AND AUTO SHUTDOWN. THE 
- [SDR FDEA202210112537](https://openairdocs.org/sdr/FDEA202210112537), Oct 11, 2022: ENGINE. POWER LOSS. ON TAKEOFF ROLL, F/O FLYING, ACFT TOOK A LOT OF RT RUDDER AT CLIMB OUT, LT ENG 5-10% LOWER N1 & SLIGHTLY LOWER EPR. INCREASED POWER ON LT ENG TO MATCH RT. RT EN
- [SDR CALA2022090202235](https://openairdocs.org/sdr/CALA2022090202235), Aug 31, 2022: ENGINE. NONE. THIS IS A SUPPLEMENTAL REPORT FOR THE SAME CONTROL NUMBER SUBMITTED ON 9/02/22. COMRESSOR STALL RIGHT ENGINE CLIMBING THROUGH 9000. #2 ENG REPLACED.
- [SDR 2022FA0000337](https://openairdocs.org/sdr/2022FA0000337), Jul 11, 2022: NONE. NONE. THE N1 SENSOR HAS SPHERICAL INDICATIONS. SENT ENGINE DIAGNOSTICS TO ROLLS ROYCE TO SEE IF THERE WAS ANYTHING NOTICEABLE. THEY SUGGESTED TO CLEAN THE CONTACTS AN
- [SDR HALA2022062900123](https://openairdocs.org/sdr/HALA2022062900123), Jun 28, 2022: NONE. NONE. BTB- DURING START OF ENGINE 2 ENG 1 FADEC SYS FAULT ILLUMINATED FOLLOWED ECAM. SHUT ENGINE DOWN AND RETURNED TO GATE // REMOVED AND REPLACED ENG 1 EEC PER AMM 7
- [SDR 2022FA0000278](https://openairdocs.org/sdr/2022FA0000278), Jun 5, 2022: NONE. SHUTDOWN. AFTER DEPARTURE FROM BRUNSWICK AT 1319 ZULU ON 5 JUNE RUNWAY 07. WE WERE CLIMBING OUT THROUGH APPROXIMATELY LEVEL 160 WE GOT A BLUE CAS “L ENGINE MAINTENANCE LT
- [SDR 2021FA0000282](https://openairdocs.org/sdr/2021FA0000282), Oct 7, 2021: PROPELLER. FAILED. NO. 1 ENGINE CAE510042 EXPERIENCED UN-COMMANDED SHUTDOWM IN CRUISE FLIGHT
- [SDR PNSA2019071601](https://openairdocs.org/sdr/PNSA2019071601), Jul 16, 2019: FIRE LOOP. BROKEN. LT ENGINE FIRE DETECT AMBER WARNING NOT ON EICAS DURING TEST, MX FOUND LT SENSE LOOP BROKEN, REMOVED AND REPLACED LT SENSE LOOP, OPS CHECKED GOOD.
- [SDR PNSA2019071602](https://openairdocs.org/sdr/PNSA2019071602), Jul 16, 2019: ENGINE. MALFUNCTIONED. LT ENGINE BRIEFLY WENT TO 0 PU'S 5SEC, ENGINE WILL BE REPLACED.
- [SDR PNSA2019071603](https://openairdocs.org/sdr/PNSA2019071603), Jul 16, 2019: ENGINE. OVERTEMP. RT ENGINE OVERTEMP IN CRUISE WITH AUTO SHUTDOWN. ENGINE WILL BE REMOVED AND REPLACED DUE TO OVERTEMP.
- [SDR PNSA2019020801](https://openairdocs.org/sdr/PNSA2019020801), Feb 7, 2019: ENGINE. SHUTDOWN. RIGHT ENGINE AUTO SHUTDOWN IN FLIGHT, DID NOT ATTEMPT RESTART. TROUBLESHOOTING IN PROGRESS.
- [SDR PNSA201809131101](https://openairdocs.org/sdr/PNSA201809131101), Sep 11, 2018: COUPLING. FAILED. LEFT GEN FAULT, FOLLOWED BY LEFT ENGINE OIL PRESSURE LOW THEN LEFT PROP OIL PRESSURE LOW. CREW PERFORMED PRECAUTIONARY SHUTDOWN.
- [SDR HNAA2018060800118](https://openairdocs.org/sdr/HNAA2018060800118), Jun 7, 2018: OIL SYSTEM. LOW. NR 1 ENGINE AT MIN DISPATCH. SERVICED THE NR 1 ENGINE WITH 2 QTS OF OIL IAW AMM 12-12-01-03.
- [SDR PNSA2018010501](https://openairdocs.org/sdr/PNSA2018010501), Jan 5, 2018: ENGINE. AUTO SHUTDOWN. RIGHT ENGINE FAILURE, DID NOT ATTEMPT RESTART. ENGINE AUTOSHUT DOWN IN FLIGHT.
- [SDR PNSA2017072403](https://openairdocs.org/sdr/PNSA2017072403), Jul 18, 2017: ENGINE. AUTO SHUTDOWN. RT ENGINE INFLIGHT FAILURE. PILOT REPORT STATED THAT FO WAS IN CONTROL AT 31,000 FEET, AS THEY STARTED TO DESCENT, THE FO PULLED POWER BACK AT WHICH TIME THE RI

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