# GE CT7-7A1 - Type: Engine model (FAA registry) - Registry code: 30147 - Manufacturer (registry): GE - Model: CT7-7A1 - Engine type: Turbo-prop - Power: 1,700 hp - Data sheet: [TCDS E8NE](https://openairdocs.org/tcds/E8NE) (OpenAirDocs) - Holder: General Electric Company GE Aviation - Installed in: 0 registered aircraft - Page: https://openairdocs.org/engine/ge-ct7-7a1 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 2025-05-02](https://openairdocs.org/ad/2025-05-02): Engine (Turbine/Turboprop) · General Electric CT7-5A2, CT7-5A3, CT7-7A and 8 more. Effective Apr 8, 2025 - [AD 2023-21-07](https://openairdocs.org/ad/2023-21-07): Turbine Engine Reduction Gear · General Electric CT7-5A2, CT7-5A3, CT7-7A and 6 more. Effective Dec 11, 2023 - [AD 2007-08-01](https://openairdocs.org/ad/2007-08-01): Eddy current inspection (ECI) of boltholes · General Electric CT7-5A2, CT7-5A3, CT7-7A and 8 more. Effective May 14, 2007 - [AD 2004-07-09](https://openairdocs.org/ad/2004-07-09): PGB oil filter impending bypass button (IBB) · General Electric CT7-2A, CT7-2D, CT7-2D1 and 14 more. Effective May 11, 2004 - [AD 2002-01-03](https://openairdocs.org/ad/2002-01-03): Stage 2 Turbine Aft Cooling Plates · General Electric CT7-5A2, CT7-5A3, CT7-7A and 1 more. Effective Feb 12, 2002 - [AD 94-17-16](https://openairdocs.org/ad/94-17-16): Propeller Gearboxes · General Electric CT7-5A2, CT7-5A3, CT7-7A and 6 more. Effective Sep 15, 1994 Historical (superseded or no longer in force): - [AD 2018-03-13](https://openairdocs.org/ad/2018-03-13) (historical): Turbine Engine Reduction Gear · General Electric CT7-5A2, CT7-5A3, CT7-7A and 6 more. Effective Feb 28, 2018 - [AD 2005-18-01](https://openairdocs.org/ad/2005-18-01) (historical): Turbine aft cooling plate boltholes · General Electric Aircraft Engines CT7-5A2, CT7-5A3, CT7-7A and 4 more. Effective Oct 24, 2005 - [AD 2003-06-03](https://openairdocs.org/ad/2003-06-03) (historical): Propeller gearbox (PGB) oil filter · General Electric Aircraft Engines CT7-2A, CT7-2D, CT7-2D1 and 14 more. Effective Apr 24, 2003 ## 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) (308, 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. - [3033T61P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129551095320260716151350.0001): Ring-No 4Damper Piston. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3033T61P02 · Jun 23, 2026 - [4051T80P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123215430120260716151351.0001): Strainer-Lube Oil. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4051T80P01 · Jun 23, 2026 - [5056T52P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143052405420260705232530.0001): Seal, Face-Type. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 5056T52P02 · Mar 27, 2026 - [WF334786](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155846172720250602133019.0001): Filter Element Assembly. Donaldson Company Inc · PMA PQ2432CE · Replaces AC-9985F-30, Alternate: P-1047 · May 23, 2025 - [WF334785](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152525801820250602133019.0001): Filter Element Assembly. Donaldson Company Inc · PMA PQ2432CE · Replaces AC-9718F-25, Alternate: P-1046 · May 23, 2025 - [4091T76P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105577522920250325132009.0001): Strap, Fuel Injector(Blue). Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4091T76P01 · Mar 24, 2025 - [82880-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198154916720250116155600.0001): Valve, Anti-Icing Bleed and Start. PTI Technologies Inc · PMA PQ1341NM · Replaces 6058T80P01 · Dec 13, 2024 - [82880-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122604895220250116155600.0001): Valve, Anti-Icing Bleed and Start. PTI Technologies Inc · PMA PQ1341NM · Replaces 6058T80P03 · Dec 13, 2024 - [5078T28G02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132262359320241105162332.0001): Retainer, Stage 2 Shroud. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 5078T28G02 · Oct 21, 2024 - [5078T28G01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132189760520241105162331.0001): Retainer, Stage 2 Shroud. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 5078T28G01 · Oct 21, 2024 - [4088T35P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126887129320241105162330.0001): Plate, Floating Nut. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4088T35P02 · Oct 21, 2024 - [4088T34P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121261576520241105162330.0001): Plate, Retaining. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4088T34P01 · Oct 21, 2024 - [5060T93P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102881070620241105162331.0001): Shield, Stage 2 Nozzle Heat. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 5060T93P01 · Oct 21, 2024 - [J212P212ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193947239420240610151400.0001): Ring, Teflon Seal. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J212P212 · May 31, 2024 - [4053T04P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193268049320240610151401.0001): Seal, Anti-Icing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4053T04P01 · May 31, 2024 - [5066T01P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165539273620240610151401.0001): Shield, Windage. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 5066T01P01 · May 31, 2024 - [4053T04P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124578983320240610151401.0001): Seal, Anti-Icing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4053T04P02 · May 31, 2024 - [5051T14P03ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172883797820231212112950.0001): Bearing-Axis BB Annular Ball Flanged. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 5051T14P03 · Nov 26, 2023 - [5051T13P03ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116460161720231212112941.0001): Bearing Axes-B and-BB Roller. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 5051T13P03 · Nov 26, 2023 - [4091T12P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196824863220231213112705.0001): Seal, Face Type. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4091T12P02 · Nov 6, 2023 - [4091T12P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147831878720231213112704.0001): Seal, Face Type. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4091T12P01 · Nov 6, 2023 - [4069T61G01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167801639120230728131614.0001): Gasket, Adapter. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4069T61G01 · Jul 24, 2023 - [5088T39G04ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130738515020230705144942.0001): Shroud Sector, Turbine - Stage 3. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 5088T39G04 · Jun 27, 2023 - [6068T40G01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188738464320230412133204.0001): Seal, Stage 2 Stationary Air. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 6068T40G01 · Apr 11, 2023 - [775794-4ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110881219520230203133420.0001): Ring-Seal. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 775794-4 · Feb 2, 2023 - [530899-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159097606120221130144756.0001): Igniter Plug. Unison Industries · PMA PQ1052CE · Replaces 5044T67P14 · Nov 16, 2022 - [3022T66P07ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144354506220220920184323.0001): Locknut. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3022T66P07 · Sep 20, 2022 - [3022T66P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133965163420220920184321.0001): Locknut. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3022T66P01 · Sep 20, 2022 - [3022T66P04ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125636415920220920184322.0001): Locknut. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3022T66P04 · Sep 20, 2022 - [3022T66P16ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114411281220220920184323.0001): Locknut. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3022T66P16 · Sep 20, 2022 - [4088T46P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198009356720220826132314.0001): V-Seal. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4088T46P01 · Aug 24, 2022 - [6058T28P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148091445720220616191123.0001): Thermocouple Assy. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 6058T28P01 · Jun 6, 2022 - [5060T50G04ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131515256920220523181026.0001): Ring, Stationary Fwd Seal. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 5060T50G04 · May 5, 2022 - [5060T50G03ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102306196220220523181025.0001): Ring, Stationary Fwd Seal. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 5060T50G03 · May 5, 2022 - [201113-09ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166392396120220523181010.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 201113-09 · Apr 25, 2022 - [4045T27P04ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163777920720220525193803.0001): Bearing, Plain, Spherical. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4045T27P04 · Apr 21, 2022 - [4045T27P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145402067120220525193801.0001): Bearing, Plain, Spherical. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4045T27P01 · Apr 21, 2022 - [4045T27P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131116195320220525193802.0001): Bearing, Plain, Spherical. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4045T27P02 · Apr 21, 2022 - [R261P04ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178444766620220329182352.0001): Wire-Connector. Aircraft Component Design LLC · PMA PQ2138NE · Replaces R261P04 · Mar 22, 2022 - [R261P06ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175659777620220329182354.0001): Wire-Connector. Aircraft Component Design LLC · PMA PQ2138NE · Replaces R261P06 · Mar 22, 2022 - [R261P05ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142323201720220329182353.0001): Wire-Connector. Aircraft Component Design LLC · PMA PQ2138NE · Replaces R261P05 · Mar 22, 2022 - [R261P10ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124738471520220329182356.0001): Wire-Connector. Aircraft Component Design LLC · PMA PQ2138NE · Replaces R261P10 · Mar 22, 2022 - [3046T46P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190088285920220405150053.0001): Pin, Headless Shoulder. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3046T46P02 · Mar 1, 2022 - [3046T46P01ACD, 3046T46P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184682426420220405150044.0001): Pin, Headless Shoulder. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3046T46P01,3046T46P02 · Mar 1, 2022 - [3036T40P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170108965920220405150220.0001): Pin, Headless Shoulder. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3036T40P01 · Mar 1, 2022 - [4091T10G01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157584229220220405150035.0001): Screw, Shoulder, Pan Head, Torx Drive. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4091T10G01 · Mar 1, 2022 - [3031T33P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145325025520220405150246.0001): Washer, Flat. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3031T33P01 · Mar 1, 2022 - [3036T40P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109814618220220405150233.0001): Pin, Headless Shoulder. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3036T40P02 · Mar 1, 2022 - [J221P154ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID819338099020220215192632.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P154 · Feb 11, 2022 - [J221P010ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID638884690020220215192546.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P010 · Feb 11, 2022 All of them: https://openairdocs.org/engine/ge-ct7-7a1/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.