# Pratt & Whitney JT3D-1 - Type: Engine model (FAA registry) - Registry code: 51679 - Manufacturer (registry): P & W - Model: JT3D-1 - 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 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 80-12-51 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 62-22-02](https://openairdocs.org/ad/62-22-02): Compressor Rotor Disc · Pratt & Whitney Division JT3D-1. Effective Oct 16, 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. ## Service difficulty reports (6) As reported by operators and repair stations, by the model named in the report. - [SDR CA100928007](https://openairdocs.org/sdr/CA100928007), Sep 27, 2010: SHROUD. BROKEN. DURING A DAILY INSP, THE TECH FOUND A PIECE OF THE NR 2 ENGINE (SN 632746) 2ND STAGE MID SPAN SHROUD MISSING. IAW ENGINE MM , NO DAMAGE ARE ALLOWED IN THIS AREA - [SDR CA100216017](https://openairdocs.org/sdr/CA100216017), Aug 21, 2009: FRAME. CRACKED. (CAN) DVI OF NLG BAY APPROX BS 328 FOUND RT TRUNNION SUPPORT FITTING A FRAME CRACKED ABOUT 3 INCHES LONG IN THE UPPER PORTION OF THE A FRAME. REPAIR WAS COMPLIE - [SDR CA090203004](https://openairdocs.org/sdr/CA090203004), Jan 31, 2009: TURBINE BLADES. FRACTURED. APPROXIMATELY 3.5 HOURS INTO THE FLIGHT TEST PROFILE, CLIMBING OUT OF FL380 TO FL410 AT CLIMB THRUST, IN SMOOTH AIR CONDITIONS, A SUDDEN YAW AND VIBRATION WAS F - [SDR 2000ZZZX700](https://openairdocs.org/sdr/2000ZZZX700), Sep 15, 1999: SPINNER. CRACKED. NOSE COWL CRACKED AT 6:00 O'CLOCK POSITION NR 4 ENGINE. CUT OUT PREVIOUS WELD, NDT TO ASSURE ALL CRACKS STOPPED. FABRICATED PLUG AND WELDED IN PLACE. NDT WELD N - [SDR CA970916015](https://openairdocs.org/sdr/CA970916015), Sep 1, 1997: CSD. FAILED. (CAN) ON GROUND CHECK PRIOR TO TAKEOFF THE NR1 ENGINE GENERATOR CAME OFF LINE AND COULD NOT BE RESET, SO CONSTANT SPEED UNIT/GENERATOR ASSEMBLY WAS DISCONNECTED - [SDR CA970305007](https://openairdocs.org/sdr/CA970305007), Feb 23, 1997: ENGINE. MAKING METAL. (CAN) DURING CLIMB THE #3 ENGINE OIL PRESSURE AND TEMPERATURE INCREASED SLIGHTLY ABOVE MAXIMUM. PREVIOUS POWER SETTING WERE RESTORED AND THE ENGINE PARAMETERS R ## 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 --- 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.