# Pratt & Whitney JT8D-7A

- Type: Engine model (FAA registry)
- Registry code: 51725
- Manufacturer (registry): P & W
- Model: JT8D-7A
- Engine type: Turbo-fan
- Power: 14,000 lb thrust
- Data sheet: [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs)
- Holder: Pratt & Whitney
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-jt8d-7a

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 2011-03-01](https://openairdocs.org/ad/2011-03-01): Critical life- limited parts · Pratt & Whitney Division JT8D-11, JT8D-15, JT8D-15A and 9 more. Effective Mar 4, 2011
- [AD 2009-24-01](https://openairdocs.org/ad/2009-24-01): Fan blade · Pratt & Whitney Division JT8D-11, JT8D-15, JT8D-17 and 5 more. Effective Jan 4, 2010
- [AD 2006-17-07 R1](https://openairdocs.org/ad/2006-17-07-R1): High pressure compressor (HPC) front hubs and HPC disk · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 18 more. Effective Nov 2, 2006
- [AD 2005-17-16](https://openairdocs.org/ad/2005-17-16): Critical life-limited rotating parts · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 17 more. Effective Sep 30, 2005
- [AD 2003-12-07](https://openairdocs.org/ad/2003-12-07): 12th Stage high pressure compressor · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Jul 18, 2003
- [AD 2003-05-07](https://openairdocs.org/ad/2003-05-07): Low pressure compressor (LPC) · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Apr 17, 2003
- [AD 2000-22-06](https://openairdocs.org/ad/2000-22-06): Main Fuel Pump · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 8 more. Effective Dec 4, 2000
- [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 98-21-24](https://openairdocs.org/ad/98-21-24): Compressor Disks · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 17 more. Effective Nov 16, 1998
- [AD 98-04-39](https://openairdocs.org/ad/98-04-39): Combustion Chamber Outer Case · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Feb 25, 1998
- [AD 97-19-12](https://openairdocs.org/ad/97-19-12): Hub Inspection · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 9 more. Effective Nov 18, 1997
- [AD 97-19-14](https://openairdocs.org/ad/97-19-14): Low Pressure Turbine (LPT) Blade Sets · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 9 more. Effective Oct 24, 1997
- [AD 96-23-14](https://openairdocs.org/ad/96-23-14): Combustion Chamber Outer Cases · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Jan 2, 1997
- [AD 95-26-03](https://openairdocs.org/ad/95-26-03): High Pressure Compressor Disks · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Jan 11, 1996
- [AD 86-09-02 R2](https://openairdocs.org/ad/86-09-02-R2): Combustion Chamber Liners · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Nov 17, 1995
- [AD 95-16-07](https://openairdocs.org/ad/95-16-07): High Pressure Compressor (HPC) Disks · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 11 more. Effective Sep 11, 1995
- [AD 94-25-07](https://openairdocs.org/ad/94-25-07): Combustion Chamber Outer Case · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Mar 30, 1995
- [AD 95-02-16](https://openairdocs.org/ad/95-02-16): Fuel Nozzle and Support Assembly · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 17 more. Effective Feb 21, 1995
- [AD 91-24-14](https://openairdocs.org/ad/91-24-14): Bearing Seal Spacer · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 18 more. Effective Jan 21, 1992
- [AD 89-24-02](https://openairdocs.org/ad/89-24-02): Fan Disk · Pratt & Whitney Division JT8D-7, JT8D-7A and JT8D-7B. Effective Nov 13, 1989
- [AD 86-08-04 R1](https://openairdocs.org/ad/86-08-04-R1): HPC Removable Sleeve Spacers · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Nov 4, 1986
- [AD 86-02-52 R1](https://openairdocs.org/ad/86-02-52-R1): Combustion Chamber · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Apr 14, 1986
- [AD 80-15-51](https://openairdocs.org/ad/80-15-51): Engine Rear Compressor Front Hubs · Pratt & Whitney Division JT8D-209, JT8D-1, JT8D-11 and 11 more. Effective Aug 21, 1980
- [AD 78-23-12](https://openairdocs.org/ad/78-23-12): Third Stage Turbine Blade Rivet · Pratt & Whitney Division JT8D-1, JT8D-1A, JT8D-1B and 5 more. Effective Dec 20, 1978
- [AD 77-16-12](https://openairdocs.org/ad/77-16-12): Low Turbine Shaft · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 8 more. Effective Aug 31, 1977
- [AD 76-24-01](https://openairdocs.org/ad/76-24-01): Eighth Stage Compressor Disk · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-1A and 6 more. Effective Jun 22, 1977
- [AD 77-03-06](https://openairdocs.org/ad/77-03-06): Compressor Front Hubs · Pratt & Whitney Division JT8D-1, JT8D-1A, JT8D-1B and 3 more. Effective Feb 25, 1977
- [AD 75-05-06](https://openairdocs.org/ad/75-05-06): Fuel Manifold Leakage · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 18 more. Effective Feb 24, 1977
- [AD 76-20-02](https://openairdocs.org/ad/76-20-02): Second Stage Fan Blades · Pratt & Whitney Division JT8D-1, JT8D-1A, JT8D-1B and 3 more. Effective Oct 10, 1976
- [AD 75-01-01](https://openairdocs.org/ad/75-01-01): Low Turbine Shaft Spline · Pratt & Whitney Division JT8D-1, JT8D-1A, JT8D-7 and 1 more. Effective Sep 17, 1975
- [AD 71-25-07](https://openairdocs.org/ad/71-25-07): Fuel Nozzle Support Assemblies · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-1A and 3 more. Effective Dec 14, 1971
- [AD 71-07-01](https://openairdocs.org/ad/71-07-01): Front Compressor Front Hub · Pratt & Whitney Division JT8D-1, JT8D-1A, JT8D-7 and 1 more. Effective Sep 7, 1971
- [AD 70-26-05](https://openairdocs.org/ad/70-26-05): First Stage Compressor Rotor Blades · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 18 more. Effective Dec 29, 1970
- [AD 70-25-08](https://openairdocs.org/ad/70-25-08): Seventh Stage Compressor Rotor Disc · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 18 more. Effective Dec 15, 1970
- [AD 70-11-03](https://openairdocs.org/ad/70-11-03): Sixth Stage Compressor Discs · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 18 more. Effective Jun 12, 1970
- [AD 70-02-02](https://openairdocs.org/ad/70-02-02): Sixth Stage Compressor Rotor Disc · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 18 more. Effective Apr 15, 1970

## 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 (262, newest 50)

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

- [SDR Y2PA2010102600027](https://openairdocs.org/sdr/Y2PA2010102600027), Oct 26, 2010: BATTERY PACK. UNSERVICEABLE. DURING PERFORMANCE OF A-1 CHECK, FOUND GALLEY SERVICE DOOR SLIDE EMERGENCY LIGHT INOPERATIVE. BATTERY PACK DISCHARGED. R & R EMERGENCY BATTERY PACK WITH SERVICE
- [SDR Y2PA2010051710008](https://openairdocs.org/sdr/Y2PA2010051710008), May 15, 2010: CIRCUIT BREAKER. ARCED. MULTIPLE ELEC FAILURES. A-OVERHEAD PANEL LIGHTS INOPERATIVE. B-MASTER CAUTION TRIGGERED BY PITOT/STALL AND RADIO FAN OFF ANNUN LIGHTS. CAUTION COULD NOT BE RESE
- [SDR ABXA060285](https://openairdocs.org/sdr/ABXA060285), Oct 30, 2006: LIGHT. INOPERATIVE. DURING MAINTENANCE PRE-DEPARTURE CHECK, FOUND EMERGENCY LIGHTS WOULD NOT ILLUMINATE. RESET EMERGENCY ARM AND CHARGE 5 AMP CIRCUIT BREAKER ON OVERHEAD PANEL AND 
- [SDR UPS06448619](https://openairdocs.org/sdr/UPS06448619), Oct 20, 2006: FLOORBEAM. CORRODED. INSPECTION TYPE-C M/D BS 2260 RBL13-20 FLOORBEAM FOUND CORRODED. CORROSION BLEND OUT 0.023 INCH X 2 INCHES X 2 INCHES EXCEED SRM LIMIT. M/D BS 2260 LBL 8 TO RBL
- [SDR UPS06448245](https://openairdocs.org/sdr/UPS06448245), Oct 15, 2006: TERMINAL. CORRODED. INSPECTION TYPE: N/A, SMOKE SMELLS, ABOUT 1:30 INTO FLIGHT. FOUND COPILOT WINDSCREEN CONNECTION AT LOWER RT SIDE SMOKING SECURED RT 1 OVERHEAD WINDOW HEAT, SMOK
- [SDR ABXA050242](https://openairdocs.org/sdr/ABXA050242), Oct 4, 2005: BATTERY. INOPERATIVE. OVERHEAD COCKPIT EMERGENCY LIGHTS INOPERATIVE. REPLACED EMERGENCY LIGHT BATTERIES IAW AMM 33-53-00-8.
- [SDR 2005FA0001197](https://openairdocs.org/sdr/2005FA0001197), Aug 5, 2005: ROD END. BROKEN. ON AUGUST 5TH, DURING THE FLIGHT CONTROL RIGGING OPERATION, THE LT AILERON IB PCU ROD END WAS FOUND BROKEN. THIS ROD END IS PART OF THE BENDIX PCU PN 317012-1 A
- [SDR 72400003](https://openairdocs.org/sdr/72400003), Jun 20, 2005: SEAT TRACK. CORRODED. 1 X 1 AREA OF CORROSION SEAT TRACK.
- [SDR 72400001](https://openairdocs.org/sdr/72400001), Jun 19, 2005: FRAME. CRACKED. 2 INCH CRACK ON FUSE FRAME CHORD REPLACEMENT
- [SDR 72400002](https://openairdocs.org/sdr/72400002), Jun 19, 2005: FRAME. CRACKED. 1 INCH CRACK ON FRAME REPLACEMENT
- [SDR P5CA0401239](https://openairdocs.org/sdr/P5CA0401239), Oct 1, 2004: BEAM. CRACKED. BULK CARGO COMPT, LONGITUDNAL BEAM AT STA 2040-2060-2080 LBL 30 IS CRACKED. REMOVED DAMAGE SECTION, FABRICATED NEW PART & INSTALLED PER SRM 51-40-04.
- [SDR ABXA040292](https://openairdocs.org/sdr/ABXA040292), Aug 5, 2004: LONGERON. CORRODED. LONGERON 24 RT END CAP AT STA 945 WAS CORRODED. REPLACED END CAP IAW SRM 51-30-2 AND 51-30-5.
- [SDR ABXA040287](https://openairdocs.org/sdr/ABXA040287), Aug 4, 2004: PAN. CRACKED. FORWARD LOWER CARGO DOOR OUTER PAN CRACKED AT FASTENER HOLE AT UPPER FORWARD CORNER. REPLACED FORWARD LOWER CARGO DOOR ON N.R. 0399 IAW DC-9 SRM.
- [SDR ABXA040288](https://openairdocs.org/sdr/ABXA040288), Aug 4, 2004: PAN. CRACKED. FORWARD LOWER CARGO DOORS OUTER PAN HAD CRACK INDICATION IN OUTER RADIUS OF FORWARD HINGE. REPLACED DOOR ON NR 0399 IAW SRM.
- [SDR ABXA040289](https://openairdocs.org/sdr/ABXA040289), Aug 4, 2004: PAN. DEFECTIVE. FORWARD LOWER CARGO DOOR HAD DEFECT INDICATION IN OUTER PAN ALONG UPPER EDGE AT FORWARD STOP PAD AREA. REPLACED DOOR ON NR 0399 IAW SRM.
- [SDR ABXA040290](https://openairdocs.org/sdr/ABXA040290), Aug 4, 2004: PAN. CRACKED. FORWARD LOWER CARGO DOORS OUTER PAN WAS CRACKED AT HI-LOCK ALONG AFT EDGE, CENTER STOP PAD AREA. REPLACED DOOR ON NR 0399 IAW SRM.
- [SDR ABXA040291](https://openairdocs.org/sdr/ABXA040291), Aug 4, 2004: SKIN. CORRODED. FORWARD LOWER CARGO DOORS EXTERIOR SKIN HAD PITTING, CORROSION AT AFT LOWER CORNER. REPLACED DOOR ON NR 0399 IAW SRM.
- [SDR ABXA040284](https://openairdocs.org/sdr/ABXA040284), Aug 3, 2004: FRAME. CRACKED. RT MAIN FRAME STA 699 WAS CRACKED IN FORWARD UPPER FLANGE BETWEEN Z-CLIP FASTENERS. REPAIRED MAIN FRAME RT 699 IAW EA 53400120-001-1.
- [SDR ABXA040285](https://openairdocs.org/sdr/ABXA040285), Aug 3, 2004: LONGERON. CRACKED. LONGERON 4 LT CRACKED AT FS 160 SPLICED SECTION OF LONGERON IAW SRM 53-02.
- [SDR ABXA040286](https://openairdocs.org/sdr/ABXA040286), Aug 3, 2004: BEAM. CRACKED. AFT LOWER CARGO DOOR BEAM NR 1 BOTH FORWARD AND AFT END FITTINGS CRACKED. REPLACED FITTINGS S914025-501 AND 3914025-502 IAW SRM 51-30-1 AND 51-30-5.
- [SDR ABXA040283](https://openairdocs.org/sdr/ABXA040283), Aug 3, 2004: SKIN. CRACKED. FUSELAGE SKIN CRACKED AT RIVET ON LONGERON 22 LT BETWEEN FS 180-200. REPAIRED ON EA 53300031-001.
- [SDR ABXA040282](https://openairdocs.org/sdr/ABXA040282), Aug 2, 2004: SKIN. CORRODED. BULGE IN FUSELAGE SKIN AT CABIN OUTFLOW NOZZLE. REPLACED SECTION OF LONGERON FROM APPROXIMATELY STA. 955-990 IAW SRM.
- [SDR CA040120008](https://openairdocs.org/sdr/CA040120008), Jan 20, 2004: RIB. CRACKED. (CAN) DURING C CHECK,THE INSPECTION OF THE HORIZONTAL STABILIZER, REVEALED A CRACK ON THE ELEVATOR HINGE SUPPORT RIB ON THE RT SIDE AT STATION 136.5.
- [SDR CA040120009](https://openairdocs.org/sdr/CA040120009), Jan 20, 2004: BLOCK. WORN. (CAN) DURING C CHECK, ONE RUB BLOCK (P/N 69-31604-4) WAS FOUND LOOSE ON THE LOWER BEAM. AFTER REMOVAL OF THE BLOCK, IT WAS FOUND THAT THE LOWER BEAM WAS WORN OU
- [SDR CA030127006](https://openairdocs.org/sdr/CA030127006), Jan 17, 2003: RIB. CRACKED. (CAN) DURING INSPECTION OF THE HORIZONTAL STABILIZER TRAILING EDGE RIBS, IN ACCORDANCE WITH AD 2002-12-13 AND BOEING SB 727-55A0091 A CRACK WAS FOUND ON THE UPP
- [SDR CA021217010](https://openairdocs.org/sdr/CA021217010), Nov 26, 2002: STARTER. MAKING METAL. (CAN) DURING B CHECK INSPECTION OF ENGINE A METAL FRAGMENT WAS FOUND ON THE MAGNETIC CHIP PLUG OF THE NR 2 ENGINE STARTER. THE STARTER WAS CHANGED OUT AND THE A
- [SDR CA020808004](https://openairdocs.org/sdr/CA020808004), Jul 29, 2002: CSD. FAILED. (CAN) DURING CRUISE NR 3 ENGINE GENERATOR TRIPPED - CSD OIL PRESSURE WAS LOW AND TEMP HIGH, DISCONNECT FAILED. ENGINE SHUTDOWN AS A PRECAUTION. AIRCRAFT LANDED 
- [SDR MVI2001F00000](https://openairdocs.org/sdr/MVI2001F00000), Nov 28, 2001: SHAFT. SHEARED. AFTER NORMAL APPROACH WITH A GO AROUND FROM 501 AGL, FULL ENGINE POWER WAS ATTAINED ON ALL ENGINES. AT 700 FT, FE NOTED EPR ROLLBACK ON NR 3 ENGINE. ENGINE SUBS
- [SDR CA010529018](https://openairdocs.org/sdr/CA010529018), Apr 29, 2001: NUT. CRACKED. (CAN) LT MAIN GEAR OLEO WOULD NOT HOLD AIR CHARGE. OLEO FOUND LOW SEVERAL TIMES AND RECHARGED. UPON INVESTIGATION IT WAS FOUND THAT THE RETAINING NUT FOR THE UP
- [SDR EIA2001015](https://openairdocs.org/sdr/EIA2001015), Mar 14, 2001: ENGINE. FAILED. KFAR - RIGHT ENGINE FAILED IN FLIGHT. (M)
- [SDR CA010305022](https://openairdocs.org/sdr/CA010305022), Feb 21, 2001: ENGINE. FAILED. (CAN) CREW NOTICED THAT NR 3 ENGINE OIL PRESSURE AND QUANTITY WERE DECREASING. ENGINE WAS SHUT DOWN AND AIRCRAFT RETURNED TO YHM. UPON MAINTENANCE TROUBLESHOOTI
- [SDR CA001016005](https://openairdocs.org/sdr/CA001016005), Sep 15, 2000: SHAFT. FAILED. (CAN) DURING CRUISE FLIGHT NR 3 ENGINE GENERATOR INDICATED UNDER EXCITATION FOLLOWED BY UNDER VOLTAGE THEN A FIELD TRIP. THE RESIDUAL VOLTAGE WAS BELOW MINIMUM 
- [SDR AU000541](https://openairdocs.org/sdr/AU000541), Jul 13, 2000: MOUNT. FAILED. (AUS) NR 2 SPOILER ACTUATOR MOUNT ASSEMBLY INBOARD LOWER MOUNT BOLT HOLE LUG CRACKED AND OUTBOARD LOWER MOUNT BOLT HOLE LUG BROKEN.INBOARD LOWER MOUNT BOLT SHEA
- [SDR CA000427016](https://openairdocs.org/sdr/CA000427016), Apr 18, 2000: LOCK. GALLED. (CAN) CARGO DOOR ACTUATOR FOUND TO HAVE HIGH RELEASE FORCES FROM INTERNAL LOCKS. TEARDOWN REPORT INDICATES LOCKING RING, KEYS WORN AND GALLED. LPCK POSITION TEF
- [SDR CA000209047](https://openairdocs.org/sdr/CA000209047), Jan 21, 2000: PANEL. MISSING. (CAN) ON ARRIVAL FOUND RT ENG UPPER COWL OVERPRESSURE RELIEF PANEL MISSING. INSTALLED.
- [SDR CA000209045](https://openairdocs.org/sdr/CA000209045), Jan 13, 2000: RECEPTACLE. FAILED. (CAN) DURING TAXI BURNING SMELL NOTED AND TRACED TO GALLEY OVEN. A/C RETURNED. GALLEY OVEN RECEPTACLE AT FAULT REPLACED.
- [SDR CA000209044](https://openairdocs.org/sdr/CA000209044), Jan 13, 2000: SPACER. CRACKED. (CAN) FRONT COMPRESSOR ROTOR THIRD TO FORTH STAGE SPACER WAS FOUND CRCKED, ONE CRACK EXTENDED FROM TIEROD SLEEVE HOLES TO INSIDE DIAMETER. REPORT TO FOLLOW. THE
- [SDR CA991231034](https://openairdocs.org/sdr/CA991231034), Nov 30, 1999: SEAT. DAMAGED. (CAN) CAPTAINS CHAIR FAILED TO LOCK FORE AND AFT. CHAIR REPLACED.
- [SDR CA991210062](https://openairdocs.org/sdr/CA991210062), Nov 24, 1999: OUTFLOW VALVE. INOPERATIVE. (CAN) CABIN AUTO PRESSURIZATION SYSTEM INOPERATIVE. REPLACED OUTFLOW VALVE.
- [SDR CA991210061](https://openairdocs.org/sdr/CA991210061), Nov 22, 1999: CONTROLLER. FAILED. (CAN) ON DESCENT AT 8,000 FEET, CABIN PRESSURE AUTO FAIL LIGHT CAME ON AND CABIN WAS CLIMBING AT 2,000 FEET PER MINUTE. REPLACED NR 2 CABIN PRESSURE CONTROLLER.
- [SDR CA991210063](https://openairdocs.org/sdr/CA991210063), Nov 22, 1999: DUCT. FAILED. (CAN) CREW REPORTED LACK OF OXYGEN AND DIZZEYNESS. LT WATER SEPARATOR AFT DUCT REPLACED. SYSTEM SERVICEABLE.
- [SDR CA991231032](https://openairdocs.org/sdr/CA991231032), Nov 21, 1999: WINDSHIELD. ARCED. (CAN) DURING RAMP CHECK OBSERVED ARCING AND SMOKE AT TOP OF CENTER OF FIRST OFFICERS WINDSCREEN. RT WINDOW AND HEAT CONTROLLER REPLACED.
- [SDR CA990927085](https://openairdocs.org/sdr/CA990927085), Aug 19, 1999: PANEL. CRACKED. (CAN) LEFT TRAPEZOIDAL PANEL FLANGE CRACKED ALONG FORWARD UPPER HORIZONTAL OUTER FLANGE. REPAIRED.
- [SDR AU990778](https://openairdocs.org/sdr/AU990778), Aug 7, 1999: SKIN. DELAMINATED. (AUS) LEFT ELEVATOR TRAILING EDGE INBOARD SKIN DELAMINATED FOR APPROXIMATELY 50.8 MM (2 INCHES).
- [SDR CA990715042](https://openairdocs.org/sdr/CA990715042), Jul 4, 1999: THERMOVALVE. FAILED. (CAN) ON TAKEOFF, TEMP 8C UNABLE TO ACHIEVE TAKEOFF EPR OF 1.99 ON RT ENGINE EPR 1.94 WITH RT THROTTLE FIRE WALLED. ALL OTHER PARAMETERS MATCHED. EPR PROBLEMS S
- [SDR CA990715040](https://openairdocs.org/sdr/CA990715040), Jul 1, 1999: RUDDER PEDDLE. CRACKED. (CAN) CAPTAIN'S RUDDER PEDAL ATTACH BRACKET CRACKED. FAA AD 89-14-02 REPLACED.
- [SDR CA990715036](https://openairdocs.org/sdr/CA990715036), Jun 25, 1999: CONNECTOR. LOOSE. (CAN) AT FL 330 AFTER SELECTION OF AIRFOIL ANTI-ICE TAIL ANTI-ICE WITH ENG ANTI-ICE ON, CABIN ALT CLIMBED TO 10,000 FEET. AIRFOIL ANT-ICE SELECTED OFF AND DESCE
- [SDR CA990719034](https://openairdocs.org/sdr/CA990719034), Jun 23, 1999: BRACKET. CRACKED. (CAN) FIRST OFFICER'S RUDDER PEDAL ATTACH BRACKET CRACKED. REPLACED. REFER TO FAA AD 89-14-02.
- [SDR AU990736](https://openairdocs.org/sdr/AU990736), Jun 18, 1999: WIRE. DAMAGED. (AUS) SEVEN ELECTRICAL CABLES DAMAGED AT THE OUTER INSULATION JACKET. NO EVIDENCE OF EXPOSED CONDUCTORS.
- [SDR AU990774](https://openairdocs.org/sdr/AU990774), May 26, 1999: SKIN. CORRODED. (AUS) ELEVATOR SKIN CORRODED AT STN 40, STN 73, STN 84, STN 106 AND STN 166. RT STABILIZER UPPER SKIN ABOVE REAR SPAR CONTAINED FIVE AREAS OF REPAIR.

All 262: https://openairdocs.org/engine/pratt-whitney-jt8d-7a/reports.md

## STCs that may be installed (OpenAirDocs) (17)

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 SE01588AT](https://openairdocs.org/stc/SE01588AT): Installation of McClain International JT8D first stage turbine airseal as documented. McClain International, Inc
- [STC SE2930SO](https://openairdocs.org/stc/SE2930SO): Installation of an alternate gearbox cover seal utilizing an aluminum retainer .040-inch thick with a molded-in-place elastomeric seal contoured to fit the main housing/cover flange interface. Parker O-Seal Division. Lists JT8D Series
- [STC SE497NE](https://openairdocs.org/stc/SE497NE): Installation of oil tank filler neck check valve assembly. Aviation Components Support
- [STC SE3916NM](https://openairdocs.org/stc/SE3916NM): Installation of CADC bleed valve supports brackets, P/N B10002 or RB10003, as a replacement part for P&W P/N 578273. Aeroparts Mfg & Repair. Lists JT8D Series
- [STC SE79WE](https://openairdocs.org/stc/SE79WE): Installation of CADC bleed valve support brackets, P/N B10001 or RB10006, as a replacement part for P&W P/N 493317 used on JT8D-1, -5, -7, -9, -9A, -15 and -17 engines. Aeroparts Mfg & Repair. Lists JT8D Series
- [STC SE00049AT-D](https://openairdocs.org/stc/SE00049AT-D): Installation of Intermediate Compressor Case (JT8D SERIES). Aero Component Technologies. Lists JT8D Series
- [STC SE2787CE](https://openairdocs.org/stc/SE2787CE): Installation of P/N T92871 first stage turbine vanes. Trans World Airlines Inc
- [STC SE59GL](https://openairdocs.org/stc/SE59GL): Installation of O-ring face seal P/N-s 1-1337-700, -701, 1-1633-700, -701, 1-1738-700, -701; and/or 1-2233-700, 701. Rexnord, Inc
- [STC SE86WE](https://openairdocs.org/stc/SE86WE): Replace the airoils on P&WA P/Ns 495051, 478351, 583751, 653851, 653951, 572451, 583351, 653751, 653151, 676951, 728951, 709951, 710751, 627751, 737271, 578551, 738271, 747171, 792871, 786471, 583751, 777971, 780591, 782571, 793181, 799771, 794481, 794491 , 798781, and 799191. Chromizing Company
- [STC SE557NE](https://openairdocs.org/stc/SE557NE): Installation of oil tank shuttle valve. Stockbridge William D
- [STC SE2666SO](https://openairdocs.org/stc/SE2666SO): Modification of the anti-ice mount bracket. Cook Airtomic
- [STC SE593NE](https://openairdocs.org/stc/SE593NE): Installation of a Select Controls Inc. Engine Oil Shuttle Valve, P/N 2057-1-001. (See Eligibility List). Basken Valve Corporation. Lists JT8D Series
- [STC SE1930SO](https://openairdocs.org/stc/SE1930SO): Installation of power control shaft bushing. Cook Airtomic Division. Lists JT8D Series
- [STC SE83WE](https://openairdocs.org/stc/SE83WE): Installation of heat shield assembly P/N 408-007 as a replacement part for P&W P/N499941 or 749609 used on JT8D-1, -5, -7, -9, -9A, -15 and -17 engines. Hughes Helicopter. Lists JT8D Series
- [STC SE84WE](https://openairdocs.org/stc/SE84WE): Installation of heat shield assembly 408-008 as a replacement part for P&W No. 586918 used on JT8D-1, -5, -7, -9, -9A, -15 and -17 engines. Hughes Helicopter. Lists JT8D Series
- [STC SE67WE](https://openairdocs.org/stc/SE67WE): Installation of fuel control rod end bearings. Triumph Corporation. Lists JT8D Series
- [STC SA2627WE](https://openairdocs.org/stc/SA2627WE): Installation of fuel control rod end bearings. Triumph Corporation. Lists JT8D Series

## PMA parts (OpenAirDocs) (over 1,000, 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.

- [769047](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196048268620260305194310.0001): Hub – Turbine. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 769047 · Oct 31, 2024
- [769104](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190368865820260305193701.0001): Disk - Turbine,            4 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 769104 · Oct 31, 2024
- [754227](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188912684820260305194310.0001): Case – Compressor, Assy. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 754227 · Oct 31, 2024
- [E741346](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186556581720260305201741.0001): Lock- Compressor Blade. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 741346 · Oct 31, 2024
- [811086](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172993763520260305193806.0001): Housing Assy – Gearbox, Front. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 811086 · Oct 31, 2024
- [774403](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170344065020260305193807.0001): Blade – Turbine Rotor, 3 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 774403 · Oct 31, 2024
- [745902](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166225527820260305193701.0001): Disk - Compressor,      2 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 745902 · Oct 31, 2024
- [E655421](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161625986720260305201740.0001): Washer – Key, Turbine Rotor, 2 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 655421 · Oct 31, 2024
- [466750](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151358703220260305193807.0001): Ring – Oil Sealing, Compressor Rear Bearing. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 466750 · Oct 31, 2024
- [739585](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148214395320260305193808.0001): Seal Option (Interchange-ability Control No). Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 739585 · Oct 31, 2024
- [691834](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146007864820260305194309.0001): Ring – Sealing, #4 Bearing, Assy. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 691834 · Oct 31, 2024
- [761519](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139626019620260305201741.0001): Bushing Option (Interchangeability Control No.). Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 761519 · Oct 31, 2024
- [822007](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129273464720260305193700.0001): Disk - Compressor,      7 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 822007 · Oct 31, 2024
- [809808](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125934943520260305193807.0001): Blade – High Pressure Compressor,    8 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 809808 · Oct 31, 2024
- [636984](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121401889320260305194310.0001): Tube – Air Supply, #4 Bearing Seal, Inner Internal, Assy. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 636984 · Oct 31, 2024
- [587501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115134110020260305193701.0001): Disk - Turbine,            1 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 587501 · Oct 31, 2024
- [629886](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112406865020260305193806.0001): Ring – Sealing, #3 Bearing. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 629886 · Oct 31, 2024
- [783852](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID106240135920260305193807.0001): Vane – Turbine Stator, 2 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 783852 · Oct 31, 2024
- [808501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195065031820260305211425.0001): Blade – Turbine Rotor, 1 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 808501 · Oct 28, 2024
- [761518](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187972602620260305165918.0001): Boss Option(InterchangeabilityControl No.). Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 761518 · Oct 28, 2024
- [506503CL2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181748401820260318212721.0001): Metering Plug – Bleed Control. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 506503CL2 · Oct 28, 2024
- [759354](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181638814320260305211425.0001): Washer – Flat, .355 OD x .043. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 759354 · Oct 28, 2024
- [506503CL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181091118320260318212723.0001): Metering Plug – Bleed Control. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 506503CL6 · Oct 28, 2024
- [735330](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180290137320260318212719.0001): Fairing – Fuel Nozzle Support. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 735330 · Oct 28, 2024
- [474948P3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180277325820260318212720.0001): Stud – Plain .190-24-32 x 2.188 Long. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 474948P3 · Oct 28, 2024
- [474948P12](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176258339120260318212721.0001): Stud – Plain .190-24-32 x 2.188 Long. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 474948P12 · Oct 28, 2024
- [761812](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173772421120260318212719.0001): Case – Turbine Exhaust Assembly of. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 761812 · Oct 28, 2024
- [506503CL5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170888580720260318212723.0001): Metering Plug – Bleed Control. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 506503CL5 · Oct 28, 2024
- [628777](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166995481720260318212719.0001): Spacer – Plate Combustion Chamber Duct Support. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 628777 · Oct 28, 2024
- [791047](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165505708420260305170150.0001): Duct Seg FanDifsr Assy of. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 791047 · Oct 28, 2024
- [506503CL1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164114275620260318212721.0001): Metering Plug – Bleed Control. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 506503CL1 · Oct 28, 2024
- [474949](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157358752120260305211424.0001): Stud – Plain, .190-24-32 x 1.188 Long. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 474949 · Oct 28, 2024
- [756505](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155445952020260318212718.0001): Blade – Compressor Rotor 5 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 756505 · Oct 28, 2024
- [491833](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154894814620260305211429.0001): Housing SphericalBearing. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 491833 · Oct 28, 2024
- [776616](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150494846020260305211430.0001): Fairing – RearCompressor FanDuct, Assy Of. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 776616 · Oct 28, 2024
- [570566](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148867501520260305211425.0001): Bushing – Diffuser Case, Assy of. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 570566 · Oct 28, 2024
- [811872](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145954136220260313172447.0001): Compressor Stator – 12 Stage, Assy of. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 811872 · Oct 28, 2024
- [577354CLI577354CL2577354CL3577354CL4577354CL5577354CL6577354CL7577354CL8577354CL9](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143713314320260305170150.0001): Vane TurbineStator, 4 Stage. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 577354CLI577354CL2577354CL3577354CL4577… · Oct 28, 2024
- [664236](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141599681420260318212719.0001): Box & Cable – Thermocouple Assembly of. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 664236 · Oct 28, 2024
- [450735](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140000587120260305170150.0001): Seal Ring - Compressor Rear Bearing, Assy of. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 450735 · Oct 28, 2024
- [768363](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136844616120260318212657.0001): Switch - Differential Pressure. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 768363 · Oct 28, 2024
- [525148](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136825413920260305211430.0001): Strut - FanExhaust. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 525148 · Oct 28, 2024
- [328419](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135955459520260305211424.0001): Seal .424 ID x .103 DIA - Round. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 328419 · Oct 28, 2024
- [506503CL3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135562819320260318212722.0001): Metering Plug – Bleed Control. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 506503CL3 · Oct 28, 2024
- [474948](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135310988920260318212720.0001): Stud – Plain .190-24-32 x 2.188 Long. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 474948 · Oct 28, 2024
- [628748](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133054679120260305165912.0001): Duct CombustionChamber, Inner,Assembly of. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 628748 · Oct 28, 2024
- [806748](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131570016020260313172447.0001): Case CC, Assy of. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 806748 · Oct 28, 2024
- [474948P9](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131069181420260318212720.0001): Stud – Plain .190-24-32 x 2.188 Long. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 474948P9 · Oct 28, 2024
- [505509](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124953493420260305211430.0001): Shield - Heat,NR4 Bearing,Assy Of. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 505509 · Oct 28, 2024
- [506503CL4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123460851220260318212722.0001): Metering Plug – Bleed Control. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 506503CL4 · Oct 28, 2024

All of them: https://openairdocs.org/engine/pratt-whitney-jt8d-7a/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.
