# Pratt & Whitney JT3D-1-MC7

- Type: Engine model (FAA registry)
- Registry code: 51683
- Manufacturer (registry): P & W
- Model: JT3D-1-MC7
- Engine type: Turbo-fan
- Power: 17,700 lb thrust
- Data sheet: [TCDS 1E8](https://openairdocs.org/tcds/1E8) (OpenAirDocs)
- Holder: Pratt & Whitney Division
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-jt3d-1-mc7

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 99-01-08](https://openairdocs.org/ad/99-01-08): Stage 7 through Stage 15 High-Pressure Compressor (HPC) Disks · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 30 more. Effective Jan 5, 1999
- [AD 96-23-10](https://openairdocs.org/ad/96-23-10): Steel High Pressure Compressor (HPC) disk · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 8 more. Effective Jan 21, 1997
- [AD 82-14-02](https://openairdocs.org/ad/82-14-02): Third Stage Turbine Disks · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 9 more. Effective Jul 1, 1982
- [AD 80-19-03](https://openairdocs.org/ad/80-19-03): Fifth Stage Compressor Disks · Pratt & Whitney Division JT3D-1-MC7. Effective Oct 7, 1980
- [AD 80-12-51 R2](https://openairdocs.org/ad/80-12-51-R2): First Stage Fan Blade · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 9 more. Effective Jul 1, 1980
- [AD 78-11-03](https://openairdocs.org/ad/78-11-03): First Stage Fan Blades · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 9 more. Effective Aug 10, 1978
- [AD 74-15-05](https://openairdocs.org/ad/74-15-05): Compressor Discs · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 9 more. Effective Jul 25, 1974
- [AD 73-15-02](https://openairdocs.org/ad/73-15-02): Turbine Case Lug · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 2 more. Effective Sep 14, 1973
- [AD 67-28-05](https://openairdocs.org/ad/67-28-05): First Stage Fan Hub · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 2 more. Effective Oct 24, 1967
- [AD 66-05-05](https://openairdocs.org/ad/66-05-05): Compressor Rotor Disc · Pratt & Whitney Division JT3D-1, JT3D-1-MC6 and JT3D-1-MC7. Effective Feb 18, 1966
- [AD 64-05-05](https://openairdocs.org/ad/64-05-05): Throttle Valve Assemblies · Pratt & Whitney Division JT3C-12, JT3C-7, JT3D-1 and 17 more. Effective Feb 27, 1964
- [AD 62-16-05](https://openairdocs.org/ad/62-16-05): Compressor Rotor Disc · Pratt & Whitney Division JT3D-1-MC7. Effective Jul 17, 1962
- [AD 62-14-05](https://openairdocs.org/ad/62-14-05): Turbine Rotor Blades · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 1 more. Effective Jul 16, 1962
- [AD 73-07-08](https://openairdocs.org/ad/73-07-08): Fuel Control To Fuel Return Line Elbow and Jam Nut · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 2 more
- [AD 69-01-04](https://openairdocs.org/ad/69-01-04): Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 3 more
- [AD 61-26-04](https://openairdocs.org/ad/61-26-04): Fuel Pressurizing and Dump Valve Seals · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 1 more
- [AD 56-06-02](https://openairdocs.org/ad/56-06-02): Cylinder Flange Attaching Stud · Pratt & Whitney Division Double Wasp CA15, Double Wasp CA17, Double Wasp CA18 and 115 more

## 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.

## STCs that may be installed (OpenAirDocs) (3)

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 SE01110AT](https://openairdocs.org/stc/SE01110AT): Remove and replace JT3D main accessory gearbox housing split line gasket with PTM International gasket. Jet Avion Corporation. Lists JT3D Series
- [STC SE87WE](https://openairdocs.org/stc/SE87WE): Replace the airfoils on P&WA P/Ns 505351, 536751, 665951, 665851 first stage turbine nozzle guid vanes on P&WA engine models listed. Chromizing Company
- [STC SE1WE](https://openairdocs.org/stc/SE1WE): Valve assembly 126495. Limited to those engines having serial number suffix 'B'. Telecomputing Corp. Lists JT3D Series

## PMA parts (OpenAirDocs) (90, 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.

- [468991WE](https://drs.faa.gov/browse/excelExternalWindow/54307786E4DF3D2586257CD700663B02.0001): Rivet, Blade. Wencor LLC · PMA PQ1370NM · Replaces 468991 · May 8, 2014
- [468990WE](https://drs.faa.gov/browse/excelExternalWindow/385B385F455DDCA486257CD700663AA6.0001): Rivet, Blade. Wencor LLC · PMA PQ1370NM · Replaces 468990 · May 8, 2014
- [387316WE](https://drs.faa.gov/browse/excelExternalWindow/2347EFB2FC7D6D0986257CD700660818.0001): Rivet, Blade. Wencor LLC · PMA PQ1370NM · Replaces 387316 · May 8, 2014
- [P53684](https://drs.faa.gov/browse/excelExternalWindow/3B29DAF13B8411A586257BC7004C3B11.0001): Seal Assembly. Eaton Aerospace, Conveyance Systems Division Centurion  Mechanical Seals · PMA PQ0558NE · Replaces 715603 · Aug 7, 2013
- [387316WE](https://drs.faa.gov/browse/excelExternalWindow/23BC05B77EB56EA5862576E40068E17D.0001): Rivet, Blade. Wencor LLC · PMA PQ1370NM · Replaces 387316 · Feb 2, 2010
- [SPS 54901-428 (SPS dwg. PMA-PWA-54901, rev. 0 dated 6/16/03)](https://drs.faa.gov/browse/excelExternalWindow/70C54C4571D96AD78525704C00570A0C.0001): Self-Locking Hex Nut. SPS Technologies Inc · Replaces P&W 386105 · Jul 6, 2003
- [NS203283-6-3](https://drs.faa.gov/browse/excelExternalWindow/4F8A872564A5C2FA8525704C00515F45.0001): NUT, S-L CLIP. SPS Technologies Inc · Replaces 641231 (5/26/95 Rev E) · Oct 7, 2002
- [AK364865](https://drs.faa.gov/browse/excelExternalWindow/F649DCF105A7E661862577CE006B9582.0001): Shroud. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 364865 · Apr 29, 2001
- [AK204855](https://drs.faa.gov/browse/excelExternalWindow/E00E99CA633A8EAD862577CE006B9375.0001): Pin. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 204855 · Apr 29, 2001
- [AK534465](https://drs.faa.gov/browse/excelExternalWindow/B6EA6878AD040D5E862577CE006B95EE.0001): Vane. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 534465 · Apr 29, 2001
- [AK534462](https://drs.faa.gov/browse/excelExternalWindow/B6947116F97A6820862577CE006B92F2.0001): Vane. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 534462 · Apr 29, 2001
- [AK765575](https://drs.faa.gov/browse/excelExternalWindow/B1F9AB9C6CD14714862577CE006B954E.0001): Stator,Assy 15th Stage. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 765575 · Apr 29, 2001
- [AK534562](https://drs.faa.gov/browse/excelExternalWindow/74EF21702B366825862577CE006B92D1.0001): Shroud. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 534562 · Apr 29, 2001
- [AK364866](https://drs.faa.gov/browse/excelExternalWindow/71309A9DB9945DED862577CE006B961B.0001): Ring. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 364866 · Apr 29, 2001
- [AK534565](https://drs.faa.gov/browse/excelExternalWindow/6258CB6B9F166C29862577CE006B95AE.0001): Shroud. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 534565 · Apr 29, 2001
- [AK358159](https://drs.faa.gov/browse/excelExternalWindow/5F481B545FF32477862577CE006B9349.0001): Ring. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 358159 · Apr 29, 2001
- [AK759672](https://drs.faa.gov/browse/excelExternalWindow/1D886D5028B7AFC8862577CE006B9279.0001): Stator Assy 12th Stage. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 759672 · Apr 29, 2001
- [AK703162](https://drs.faa.gov/browse/excelExternalWindow/10F29A6843CDC513862577CE006B92A4.0001): Shroud. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 703162 · Apr 29, 2001
- [AK482458](https://drs.faa.gov/browse/excelExternalWindow/05468C4C45051651862577CE006B9317.0001): Ring. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 482458 · Apr 29, 2001
- [KT218406](https://drs.faa.gov/browse/excelExternalWindow/ED4578BE9B6168518525704D0051E27D.0001): Seal. Turbine Kinetics Inc, Subsidiary of HEICO Corp · Replaces 218406 · Feb 19, 2001
- [40780](https://drs.faa.gov/browse/excelExternalWindow/DEF3B4691E9ED55D86257480006DC4F3.0001): Cable. Unison Industries LLC · PMA PQ0620NE · Replaces 405787 · Sep 7, 2000
- [40780](https://drs.faa.gov/browse/excelExternalWindow/B8597A1F439F151A8525704C005D111E.0001): Cable. Unison Industries LLC · Replaces 405787 · Sep 7, 2000
- [GRF468991](https://drs.faa.gov/browse/excelExternalWindow/75038B3F96B49D8B852570420058F006.0001): Rivet. Genie Fastener Mfg Co · Replaces PWA468991 · Nov 18, 1999
- [GRF468990](https://drs.faa.gov/browse/excelExternalWindow/45F28D555E9A0CC4852570420058F005.0001): Rivet. Genie Fastener Mfg Co · Replaces PWA468990 · Nov 18, 1999
- [AK759672](https://drs.faa.gov/browse/excelExternalWindow/DDE9B83010E85F6385257038006B91C8.0001): Stator. Aero Kinetics Inc · Replaces Pratt & Whitney 759672 · Dec 20, 1998
- [AK534462](https://drs.faa.gov/browse/excelExternalWindow/D37EA619523AD5D385257038006B91C5.0001): Vane. Aero Kinetics Inc · Replaces Pratt & Whitney 534562 · Dec 20, 1998
- [AK482458](https://drs.faa.gov/browse/excelExternalWindow/CE4F98383945B0B285257038006B91C4.0001): Ring. Aero Kinetics Inc · Replaces Pratt & Whitney 482458 · Dec 20, 1998
- [AK358159](https://drs.faa.gov/browse/excelExternalWindow/BD0644F212AB29F885257038006B91C3.0001): Ring. Aero Kinetics Inc · Replaces Pratt & Whitney 358159 · Dec 20, 1998
- [AK703162](https://drs.faa.gov/browse/excelExternalWindow/49BEB31B9F4D33E485257038006B91C7.0001): Shroud. Aero Kinetics Inc · Replaces Pratt & Whitney 703162 · Dec 20, 1998
- [AK534562](https://drs.faa.gov/browse/excelExternalWindow/1252180CA7D8A03085257038006B91C6.0001): Shroud. Aero Kinetics Inc · Replaces Pratt & Whitney 534562 · Dec 20, 1998
- [AK204855](https://drs.faa.gov/browse/excelExternalWindow/0A671C1D1D400A9C85257038006B91C2.0001): Pin. Aero Kinetics Inc · Replaces Pratt & Whitney 204855 · Dec 20, 1998
- [CR2249-6-4](https://drs.faa.gov/browse/excelExternalWindow/FC53A533B4F8E59D8525704D005056E8.0001): Rivet-blind. Textron Aerospace Fasteners · Replaces Pratt & Whitney 704306 · Feb 5, 1998
- [R2643-6-9](https://drs.faa.gov/browse/excelExternalWindow/DE5033CF05C6FBFF8525704D00544DD5.0001): Rivet-blind. Textron Aerospace Fasteners · Replaces Pratt & Whitney 575417 · Feb 5, 1998
- [2LSP-T6-4W](https://drs.faa.gov/browse/excelExternalWindow/CC900D77EEE207298525704C005B0DDE.0001): Pin-rivet. Textron Aerospace Fasteners · Replaces Pratt & Whitney 447193 · Feb 5, 1998
- [CR2563-5-3](https://drs.faa.gov/browse/excelExternalWindow/C5A31E9F5EF6ECE28525704D005056FB.0001): Rivet-blind. Textron Aerospace Fasteners · Replaces Pratt & Whitney 432035 · Feb 5, 1998
- [CR2653-5-2](https://drs.faa.gov/browse/excelExternalWindow/B559FFA862A4BEA98525704D0050570C.0001): Rivet-blind. Textron Aerospace Fasteners · Replaces Pratt & Whitney 534645 · Feb 5, 1998
- [2LS426-T6-4W](https://drs.faa.gov/browse/excelExternalWindow/A7B0513DF828B2438525704C005B0DDC.0001): Pin-rivet. Textron Aerospace Fasteners · Replaces Pratt & Whitney 447194 · Feb 5, 1998
- [CR2249-5-5](https://drs.faa.gov/browse/excelExternalWindow/8831B6F4EBBD6CCD8525704D005056E7.0001): Rivet-blind. Textron Aerospace Fasteners · Replaces Pratt & Whitney 696073 · Feb 5, 1998
- [CR2249-6-9](https://drs.faa.gov/browse/excelExternalWindow/85F54D8156A008148525704D005056EA.0001): Rivet-blind. Textron Aerospace Fasteners · Replaces Pratt & Whitney 704307 · Feb 5, 1998
- [CR863-4-6](https://drs.faa.gov/browse/excelExternalWindow/2DEACA030D59EAA68525704D0050576B.0001): Rivet-blind. Textron Aerospace Fasteners · Replaces Pratt & Whitney 438600 · Feb 5, 1998
- [CR2249-6-5](https://drs.faa.gov/browse/excelExternalWindow/06727C6E01C847CB8525704D005056E9.0001): Rivet-blind. Textron Aerospace Fasteners · Replaces Pratt & Whitney 701977 · Feb 5, 1998
- [42285](https://drs.faa.gov/browse/excelExternalWindow/E59C8B6E9829F4758525704C005D114E.0001): Cable (Lead, Ignition). Unison Industries · Replaces PWA 519481 · Jan 26, 1998
- [42286](https://drs.faa.gov/browse/excelExternalWindow/CE08A05934FA75018525704C005D114F.0001): Cable (Lead, Ignition). Unison Industries · Replaces PWA 519489 · Jan 26, 1998
- [42289](https://drs.faa.gov/browse/excelExternalWindow/96050BA7B5DB63EA8525704C005D1151.0001): Cable (Lead, Ignition). Unison Industries · Replaces PWA 519488 · Jan 26, 1998
- [40942](https://drs.faa.gov/browse/excelExternalWindow/9250E8CADC8221F28525704C005D1144.0001): Cable (Lead, Ignition). Unison Industries · Replaces PWA 420993 · Jan 26, 1998
- [42284](https://drs.faa.gov/browse/excelExternalWindow/61226935782319EF8525704C005D114D.0001): Cable (Lead, Ignition). Unison Industries · Replaces PWA 519485 · Jan 26, 1998
- [42287](https://drs.faa.gov/browse/excelExternalWindow/4BFDCC277A3319AF8525704C005D1150.0001): Cable (Lead, Ignition). Unison Industries · Replaces PWA 519487 · Jan 26, 1998
- [41038](https://drs.faa.gov/browse/excelExternalWindow/2BB3CE0FEBE301748525704C005D1148.0001): Cable (Lead, Ignition). Unison Industries · Replaces PWA 433031 · Jan 26, 1998
- [41039](https://drs.faa.gov/browse/excelExternalWindow/14A0CFF19DC23F4F8525704C005D1149.0001): Cable (Lead, Ignition). Unison Industries · Replaces PWA 433032 · Jan 26, 1998
- [41540](https://drs.faa.gov/browse/excelExternalWindow/036ECCB7DC949C2D8525704C005D114A.0001): Exciter, Ignition. Unison Industries · Replaces PWA 477710 · Jan 26, 1998

All of them: https://openairdocs.org/engine/pratt-whitney-jt3d-1-mc7/pma.md

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