# Pratt & Whitney PW1921G - Type: Engine model (FAA registry) - Registry code: 51766 - Manufacturer (registry): P & W - Model: PW1921G - Engine type: Turbo-fan - Power: 24,110 lb thrust - Data sheet: [TCDS E00090EN](https://openairdocs.org/tcds/E00090EN) (OpenAirDocs) - Holder: Pratt & Whitney - Installed in: 0 registered aircraft - Page: https://openairdocs.org/engine/pratt-whitney-pw1921g 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 2025-04-13](https://openairdocs.org/ad/2025-04-13): Turbine Engine Compressor Section · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Apr 8, 2025 - [AD 2024-06-04](https://openairdocs.org/ad/2024-06-04): Turbine Engine Compressor Section; Turbine Section · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Apr 11, 2024 - [AD 2022-15-03](https://openairdocs.org/ad/2022-15-03): Turbine Engine Compressor Section · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Aug 19, 2022 - [AD 2022-02-05](https://openairdocs.org/ad/2022-02-05): Turbine Section · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Jan 27, 2022 - [AD 2021-20-01](https://openairdocs.org/ad/2021-20-01): Turbine Section · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Oct 27, 2021 - [AD 2021-17-09](https://openairdocs.org/ad/2021-17-09): Turbine Engine Compressor Section · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Sep 22, 2021 - [AD 2020-04-01](https://openairdocs.org/ad/2020-04-01): Turbine Engine Oil System · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Mar 27, 2020 - [AD 2019-16-15](https://openairdocs.org/ad/2019-16-15): Turbine Engine Compressor Section · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Oct 1, 2019 Historical (superseded or no longer in force): - [AD 2021-14-06](https://openairdocs.org/ad/2021-14-06) (historical): Turbine Engine Compressor Section · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Aug 12, 2021 - [AD 2019-21-11](https://openairdocs.org/ad/2019-21-11) (historical): Turbine Engine Compressor Section · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Oct 29, 2019 - [AD 2019-19-11](https://openairdocs.org/ad/2019-19-11) (historical): Turbine Engine Compressor Section · Pratt & Whitney PW1519G, PW1521G, PW1521G-3 and 10 more. Effective Sep 26, 2019 ## 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. ## PMA parts (OpenAirDocs) (201, 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. - [1039880](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181285166420251212191115.0001): VALVE ASSY - BUFFER AIR CHECK. Hamilton Sundstrand · PMA PQ0109NE · Replaces 5332338 · Dec 12, 2025 - [1040516-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174308494520251117143202.0001): ACTUATOR-LOW PRESSURE COMPRESSOR STATOR VANE. Hamilton Sundstrand · PMA PQ0109NE · Replaces 5332709 · Nov 13, 2025 - [1031429-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165383923420251117143210.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(W04). Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331519 · Nov 13, 2025 - [1040517-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145263323620251117143203.0001): ACTUATOR-LOW PRESSURE BLEED VALVE. Hamilton Sundstrand · PMA PQ0109NE · Replaces 5332710 · Nov 13, 2025 - [1040515-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137276607120251117143202.0001): ACTUATOR-HIGH PRESSURE COMPRESSOR STATOR VANE. Hamilton Sundstrand · PMA PQ0109NE · Replaces 5332708 · Nov 13, 2025 - [1031428-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105065527420251117143210.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(W03). Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331518 · Nov 13, 2025 - [1039684](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118193938520250214183834.0001): Valve Assy - Buffer ShutOff. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5332287 · Dec 26, 2024 - [1040618](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101951590420241206204717.0001): Oil Pressure Sensor. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331440 · Nov 26, 2024 - [1015691-8H209](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136139104620241105161408.0001): ENGINE CONTROL, EEC1230-1 ELECTRONIC. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5332181 · Nov 1, 2024 - [1015691-5H209](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133147172520241105161408.0001): ENGINE CONTROL, EEC1230-1 ELECTRONIC. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331173-003 · Nov 1, 2024 - [1015691-7H209](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113093416420241105161408.0001): ENGINE CONTROL, EEC1230-1 ELECTRONIC. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331404-002 · Nov 1, 2024 - [1714469C](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184269677420240227195358.0001): Starter – Engine, Air. Hamilton Sundstrand Corporation · PMA PQ2016CE · Replaces 5331527 · Jan 31, 2024 - [1038467-377](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143325814920230530182005.0001): METERING PLUG – OIL CONTROL MANIFOLD. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331801-09 · May 26, 2023 - [1015691-8H208](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148321879420230525151359.0001): ENGINE CONTROL, EEC1230-1 ELECTRONIC. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331773 · May 9, 2023 - [1015691-5H208](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126139536720230525151402.0001): ENGINE CONTROL, EEC1230-1 ELECTRONIC. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331173-002 · May 9, 2023 - [1015691-7H208](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102565501120230525151401.0001): ENGINE CONTROL, EEC1230-1 ELECTRONIC. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331404-001 · May 9, 2023 - [1038467](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184149953020230503123622.0001): METERING PLUG – OIL CONTROL MANIFOLD. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331801 · Apr 20, 2023 - [1036217](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196455125620230109135119.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(WF02). United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331419 · Jan 6, 2023 - [1036219](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171554080320230109135120.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(WF04). United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331422 · Jan 6, 2023 - [1036216](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139804986920230109135118.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(WF01). United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331418 · Jan 6, 2023 - [1036220](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103907388820230109135121.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(WF15). United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331423 · Jan 6, 2023 - [1036218](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131719554120220616191112.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL (W03). United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331420 · Jun 13, 2022 - [1031426](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177499760520220428122603.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(WF01). United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5329191 · Mar 31, 2022 - [1023387-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167016844220220428122605.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(WC15). United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5327086 · Mar 31, 2022 - [1031428](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152450680120220428122604.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(W03). United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5329193 · Mar 31, 2022 - [1031429](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110211706820220428122604.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(W04). United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5329194 · Mar 31, 2022 - [1031427](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108537465920220428122603.0001): WIRING HARNESS-ELECTRONIC ENGINE CONTROL(WF02). United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5329192 · Mar 31, 2022 - [1024831-3H202](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191767680320220428122532.0001): CONTROL - PROGNOSTICS HEALTH & MANAGEMENT. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331399 · Mar 11, 2022 - [1024831-4H202](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135789186920220428122532.0001): CONTROL - PROGNOSTICS HEALTH & MANAGEMENT. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331400 · Mar 11, 2022 - [1015691-8H207](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129127928320220428122531.0001): CONTROL - ELECTRONIC ENGINE. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331406 · Mar 11, 2022 - [B1316-07066](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127172208920250218154255.0001): LUBRICATION OIL, TANK. Safran Oil Systems · PMA PQ4003CE · Replaces 5321754 · Jan 6, 2022 - [1015691-5H207](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID972573861202112201800050.0001): CONTROL - ELECTRONIC ENGINE. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331173-001 · Nov 24, 2021 - [1015691-7H207](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID436193211420211220180002.0001): CONTROL - ELECTRONIC ENGINE. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331404 · Nov 24, 2021 - [1024831-1H202](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127788584420211220180005.0001): CONTROL - PROGNOSTICS HEALTH & MANAGEMENT. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5330952 · Nov 24, 2021 - [1018327-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID301824039720210916175235.0001): EXCITER-IGNITION. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331353 · Aug 13, 2021 - [1020472-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID522407588202107271744450.0001): Probe, P2T2. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5330897 · Jul 20, 2021 - [1018391-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID417687300420210712193625.0001): ACTUATOR-HIGH PRESSURE COMPRESSOR STATOR. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331220 · May 25, 2021 - [1015691-5H206](https://drs.faa.gov/browse/excelExternalWindow/AF49FD2788D84D0C86258656006D6E79.0001): SENSOR-OIL DEBRIS. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331173 · Dec 20, 2020 - [1015691-7H206](https://drs.faa.gov/browse/excelExternalWindow/506A59A7E0FC256686258656006D6F30.0001): CONTROL - PROGNOSTICS HEALTH & MANAGEMENT. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5331014 · Dec 20, 2020 - [1024831-1-201](https://drs.faa.gov/browse/excelExternalWindow/B14E38A28A67E4C186258625004DF881.0001): ELECTRONIC ENGINE CONTROL. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5326918 · Nov 17, 2020 - [1018345-1](https://drs.faa.gov/browse/excelExternalWindow/755130D6C19E6A11862586250048DA4F.0001): SENSOR-OIL DEBRIS. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5329290 · Nov 17, 2020 - [1015691-7H205](https://drs.faa.gov/browse/excelExternalWindow/C376A5661199D7D9862585E6004AD51A.0001): ELECTRONIC ENGINE CONTROL. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5328707 · Sep 14, 2020 - [1016390-1](https://drs.faa.gov/browse/excelExternalWindow/244C0D19B7B61B05862585990045D308.0001): FILTER ELEMENT, FUEL. Hamilton Sundstrand · PMA PQ0109NE · Replaces 5328429 · Jun 17, 2020 - [1015691-5H205](https://drs.faa.gov/browse/excelExternalWindow/9151D0A3B9DE9C1E86258565004E8FA3.0001): CONTROL - ELECTRONIC ENGINE. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5328674 · Sep 16, 2019 - [1030488](https://drs.faa.gov/browse/excelExternalWindow/372ED286E67E183D862585610055A349.0001): Sensor-Flow, Fuel. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5327501 · Sep 10, 2019 - [1023662-3](https://drs.faa.gov/browse/excelExternalWindow/15626FD721E33BD9862585610055A3E7.0001): Starter Air Valve. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5328730 · Sep 10, 2019 - [1018768-1](https://drs.faa.gov/browse/excelExternalWindow/509002079A6A7FDD862584CE007AC045.0001): Cooling - Air Oil. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5327004 · Apr 14, 2019 - [1023263-2](https://drs.faa.gov/browse/excelExternalWindow/BB3E8E24A00800D68625846D006395CF.0001): SOLENOID ASSY-ELECTRICAL, BUFFER AIR VALVE. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5327827 · Feb 24, 2019 - [1019375-3](https://drs.faa.gov/browse/excelExternalWindow/04E7D3BB1F38A9108625841D0057115F.0001): Housing, Filter. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5328074 · Dec 6, 2018 - [1020472-1](https://drs.faa.gov/browse/excelExternalWindow/6AEB02FA3D130C118625836A0050C2B7.0001): Probe, Temperature & Pressure, P2T2. United Technologies, Hamilton Sundstrand · PMA PQ0109NE · Replaces 5327761 · Aug 6, 2018 All of them: https://openairdocs.org/engine/pratt-whitney-pw1921g/pma.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.