# Pratt & Whitney JT9D-7

- Type: Engine model (FAA registry)
- Registry code: 51541
- Manufacturer (registry): P & W
- Model: JT9D-7
- Engine type: Turbo-fan
- Power: 45,500 lb thrust
- Data sheet: [TCDS E20EA](https://openairdocs.org/tcds/E20EA) (OpenAirDocs)
- Holder: Pratt & Whitney
- Installed in: 1 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-jt9d-7

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 2021-09-10](https://openairdocs.org/ad/2021-09-10): Turbine Engine Compressor Section · Pratt & Whitney JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective May 27, 2021
- [AD 2009-04-18](https://openairdocs.org/ad/2009-04-18): 2nd stage high pressure turbine (HPT) · Pratt & Whitney Division JT9D-7, JT9D-7A, JT9D-7AH and 3 more. Effective May 5, 2009
- [AD 2004-10-01](https://openairdocs.org/ad/2004-10-01): 6th Stage Low Pressure Turbine (LPT) Air Seals · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 6 more. Effective Jun 15, 2004
- [AD 2003-24-12 R1](https://openairdocs.org/ad/2003-24-12-R1): Gearbox Pressure Tube · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Dec 18, 2003
- [AD 2001-04-11](https://openairdocs.org/ad/2001-04-11): High Pressure Turbine (HPT) Disks · Pratt & Whitney Division JT9D-20, JT9D-7, JT9D-7A and 7 more. Effective May 7, 2001
- [AD 2000-23-14](https://openairdocs.org/ad/2000-23-14): No. 4 Bearing Area · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 11 more. Effective Jan 19, 2001
- [AD 99-15-02](https://openairdocs.org/ad/99-15-02): Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 6 more. Effective Aug 16, 1999
- [AD 96-25-10](https://openairdocs.org/ad/96-25-10): Design Turbine Exhaust Case · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective Feb 18, 1997
- [AD 93-19-02 R1](https://openairdocs.org/ad/93-19-02-R1): Diffuser Cases · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 6 more. Effective Oct 17, 1994
- [AD 94-15-16](https://openairdocs.org/ad/94-15-16): Engine Control System Accessories · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 9 more. Effective Oct 14, 1994
- [AD 90-23-19](https://openairdocs.org/ad/90-23-19): Air Seal · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 13 more. Effective Nov 23, 1990
- [AD 89-10-07](https://openairdocs.org/ad/89-10-07): Strut Insert Assembly · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 5 more. Effective May 30, 1989
- [AD 88-24-05](https://openairdocs.org/ad/88-24-05): Inner Airseal · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 5 more. Effective Dec 15, 1988
- [AD 86-09-01 R1](https://openairdocs.org/ad/86-09-01-R1): Turbine Vane Antirotation Pin Failure · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-59A and 9 more. Effective Jul 6, 1988
- [AD 85-12-02](https://openairdocs.org/ad/85-12-02): Centrifugal Oil Filter (COF) Bearings · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Jul 17, 1985
- [AD 82-26-03](https://openairdocs.org/ad/82-26-03): Manifold Assembly · Pratt & Whitney Division JT9D-7, JT9D-7A, JT9D-7AH and 3 more. Effective Jan 27, 1983
- [AD 74-10-05 R1](https://openairdocs.org/ad/74-10-05-R1): Turbine Nozzle Guide Vane · Pratt & Whitney Division JT9D-20, JT9D-7 and JT9D-7A. Effective Nov 17, 1980
- [AD 78-08-13](https://openairdocs.org/ad/78-08-13): Main Gearbox · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Apr 18, 1980
- [AD 78-16-05](https://openairdocs.org/ad/78-16-05): Sixth Stage Turbine Disks · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective Sep 12, 1978
- [AD 78-17-08](https://openairdocs.org/ad/78-17-08): Fifteenth Stage Compressor Disks · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 5 more. Effective Sep 1, 1978
- [AD 76-20-03](https://openairdocs.org/ad/76-20-03): Seal Clearances · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 4 more. Effective Nov 16, 1977
- [AD 76-24-03](https://openairdocs.org/ad/76-24-03): Fan Blades · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective Dec 30, 1976
- [AD 76-12-03](https://openairdocs.org/ad/76-12-03): Sixth Stage Turbine Disk · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective Jun 22, 1976
- [AD 74-10-04](https://openairdocs.org/ad/74-10-04): Main Gearbox · Pratt & Whitney Division JT9D-3A and JT9D-7. Effective May 14, 1974
- [AD 73-16-05](https://openairdocs.org/ad/73-16-05): Fourth and Fifth Stage Turbine Discs · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective Aug 15, 1973
- [AD 77-01-07](https://openairdocs.org/ad/77-01-07): Fifth Stage Turbine Hubs · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 4 more

Historical (superseded or no longer in force):

- [AD 2012-04-15](https://openairdocs.org/ad/2012-04-15) (historical): Engine · Pratt & Whitney Division JT9D-20J, JT9D-3A, JT9D-59A and 16 more. Effective Apr 23, 2012
- [AD 2007-05-17](https://openairdocs.org/ad/2007-05-17) (historical): Airworthiness Limitations Section (ALS) · Pratt & Whitney Division JT9D-20J, JT9D-3A, JT9D-7 and 15 more. Effective Apr 12, 2007
- [AD 2003-24-12](https://openairdocs.org/ad/2003-24-12) (historical): Gearbox pressure tube · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Dec 18, 2003
- [AD 2002-08-11](https://openairdocs.org/ad/2002-08-11) (historical): Airworthiness Limitations Section (ALS) - Critical Life-Limited Parts · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective May 28, 2002
- [AD 2000-01-13](https://openairdocs.org/ad/2000-01-13) (historical): Pratt & Whitney Division JT9D-7, JT9D-70A, JT9D-7A and 13 more. Effective Feb 23, 2000
- [AD 99-08-12](https://openairdocs.org/ad/99-08-12) (historical): Maintenance Program, Mandatory Inspections · Pratt & Whitney Division JT9D-20J, JT9D-3A, JT9D-59A and 16 more. Effective May 13, 1999

## Information bulletins (advisory) (1)

- [SAIB NE-02-01](https://openairdocs.org/saib/NE-02-01): . Issued Oct 5, 2001

## Registered aircraft (1)

- [N652GT](https://openairdocs.org/aircraft/N652GT): [Umb Bank Na Trustee](https://openairdocs.org/faa-owner/UMB%20BANK%20NA%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1983, S/N 22571

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DCA16FA013](https://openairdocs.org/ntsb/DCA16FA013), Oct 29, 2015: Boeing 767 (N251MY), Fort Lauderdale, FL, substantial damage. Probable cause: the separation of the flexible fuel line coupling and subsequent fuel leak due to the failure of maintenance personnel to install the required safety lockwire. Contributing to the severity of the…

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20220815022089I](https://openairdocs.org/incident/20220815022089I), Aug 15, 2022: Boeing 767-231 (N652GT), Greensboro, NC, Minor damage. Atqa report # A-GL-22-003, 8023 narrative item #33 During the post flight aircraft inspection, maintenance personnel discovered the #1 engine core cowl…
- [Accident 20151029024049A](https://openairdocs.org/incident/20151029024049A), Oct 29, 2015: Boeing 767-269 (N251MY), Fort Lauderdale, FL, Substantial damage. On October 29, 2015 at about 1232 eastern daylight time (EDT), a Boeing 767-269ER, N251MY, operating as dynamic international airways flight 405, caught fire…

## Service difficulty reports (71, newest 50)

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

- [SDR UIEA2021013000155](https://openairdocs.org/sdr/UIEA2021013000155), Jan 30, 2021: START VALVE. FAILED. RIGHT STARTER CUTOUT EICAS MSG ON ENGINE START. MOVED TO DMI 141666 PER MEL 80-00-02-01, CAT C, EXP 09FEB21. LP 1335167: R & R START VLV OPS, LEAK CK SATISFACTO
- [SDR UIEA2017052200829](https://openairdocs.org/sdr/UIEA2017052200829), May 22, 2017: WARNING LIGHT. ILLUMINATED. LEFT ENGINE EEC ILLUMINATED ON TAKEOFF ROLL AT 40 KNOTS.
- [SDR UIEA2012110900522](https://openairdocs.org/sdr/UIEA2012110900522), Nov 9, 2012: SKIN. DAMAGED. LIGHTNING STRIKE WAS FOUND ON LT SIDE OF FUSELAGE SKIN, AFT OF THE NOSE RADOME. COMPLIED WITH EO 6753A097.
- [SDR UIEA2012082400368](https://openairdocs.org/sdr/UIEA2012082400368), Aug 23, 2012: HINGE BRACKET. DAMAGED. FOUND DAMAGE FASTENER RECEPTICLE DOOR PROTECTOR HINGE SUPPORT, PART 1 OF EO 6753A090 ACCOMPLISHED, NO FURTHER DAMAGE NOTED.
- [SDR UIEA2012081600362](https://openairdocs.org/sdr/UIEA2012081600362), Aug 16, 2012: MOUNT. SEPARATED. CARGO BAY BARRIER DOOR FOWARD MOUNTING POINT SEPARATED FROM CEILING. ACCOMPLISHED EO 6753A087 PART NR 1 TEMP REPAIR.
- [SDR UIEA2012081300359](https://openairdocs.org/sdr/UIEA2012081300359), Aug 13, 2012: STRUCTURE. DELAMINATED. RT TRAILING OTBD AILERON EDGE DELAMINATED. REF E/O 6757A039, RT WING OTBD AILERON DELAMINATION: PART I, TIME LIMITED REPAIR ACCOMPLISHED. PART II, DVI EVERY FLT
- [SDR FDEA200903220999](https://openairdocs.org/sdr/FDEA200903220999), Mar 22, 2009: SIGNAL COND UNIT. MALFUNCTIONED. REJECTED TAKEOFF. NR 1 ENGINE HIGH OIL PRESSURE WARNING LIGHT ILLUMINATED ON TAKEOFF ROLL APPROXIMATELY 85KTS. INDICATION DEFERRED PER MEL 79-33-01-02. REMOVED 
- [SDR 08FDEA02586](https://openairdocs.org/sdr/08FDEA02586), Jun 30, 2008: ENGINE. FAILED. ECAM ADVISORY "NR 2 ENGINE OIL PSI ZERO". NO OTHER PROBLEMS, OIL QUANTITY 15 QTS, OIL TEMP 100 DEGREES. NO "LOW OIL PRESURE" OR "OIL CLOG" LIGHTS. ALL ENGINE PA
- [SDR 08FDEA02247](https://openairdocs.org/sdr/08FDEA02247), Jun 12, 2008: WARNING LIGHT. ILLUMINATED. ON TAKEOFF FROM CDG GOT REVERSE UNLOCK LIGHT ON ECAM ALSO MATCHED WENT TO NR 2 ENG REVERSE. LIGHT WENT OUT THEN CAME BACK ON WITH POWER ADVANCE. LEFT NR 2 AT ID
- [SDR EIA2006225](https://openairdocs.org/sdr/EIA2006225), Sep 17, 2006: WARNING LIGHT. ILLUMINATED. NR 4 ENGINE START VALVE OPEN LIGHT ILLUMINATED IN FLIGHT AT FL 310. SHUT NR 4 ENGINE DOWN IN FLT PER EIA ABNORMAL PROCEDURE.
- [SDR EIA2006087](https://openairdocs.org/sdr/EIA2006087), Jun 6, 2006: PUMP. FAILED. ON TAXI CHS AFTER TURNING OFF RUNWAY NR 1 ENGINE OIL PRESSURE WENT TO ZERO WITH ASSOCIATED LOW OIL PRESS WARNING LIGHT. ENG WAS SHUT DOWN. FOUND BAD MAIN OIL PU
- [SDR P5CA0501300](https://openairdocs.org/sdr/P5CA0501300), Dec 30, 2004: WARNING LIGHT. ILLUMINATED. DURING FULL THRUST T/O AT 650', NR4 ENGINE FAILED WITH FIRE INDICATION. SHUT DOWN ENGINE AND FIRED BOTTLES. REPLACED LEFT AND RIGHT FIRE BOTTLES PER MM 26-21-03
- [SDR P5CA0300910](https://openairdocs.org/sdr/P5CA0300910), Aug 11, 2003: FILTER. CONTAMINATED. ON DECENT NR 3 ENG HAD STALLED CONDITION. AT FL 290 SHUT DOWN. ON SECOND RESTART WITH FUEL HEAT APPLIED OPERATION NORMAL. CORRECTIVE ACTION TAKEN: REMOVED FUEL 
- [SDR 03022](https://openairdocs.org/sdr/03022), Aug 6, 2003: FIRE LOOP. SHORTED. SHUT DOWN NR 2 ENGINE AT 1640Z DUE TO HIGH NACELLE TEMP 8+ ON THE SCALE INDICATOR LOOP -A-. WINDMILL OIL PRESSURE 23 FOR 2 HOURS 16 MINUTES. NO RESTART ATTEMPTS
- [SDR 03FDEA01202](https://openairdocs.org/sdr/03FDEA01202), Aug 3, 2003: INDICATOR. FALSE INDICATION. IN CRUISE NR 1 ENGINE LOW OIL PRESS (32) ON ECAM. NO CONFIRMING LOW OIL PRESS LIGHT. ENGINE OPERATED AT IDLE. A/C DIVERTED TO EDDF. NR 1 OIL QUANTITY DROPPED 3 
- [SDR P5CA03000858](https://openairdocs.org/sdr/P5CA03000858), Apr 15, 2003: ENGINE. OUT OF RIG. NR 4 ENG CHECKED PART PWR RIGGING CHECKED PS4 WIRE FOR LEAKS, LINE TO AND FROM PT2 SENSOR. UNABLE TO DETERMINE AT THIS TIME, BUT THROTTLE RIG WAS PERFORMED ON A
- [SDR P5CA03000857](https://openairdocs.org/sdr/P5CA03000857), Apr 15, 2003: COMPRESSOR. STALLED. NR 3 ENG COMPRESSOR STALLED WHEN SETTING CRUISE PWR NR 3 ENG CHECKED EVC FILTER FOR WATER. CHECKED BLEEDS INLET AND EXHAUST. NO DEFECTS NOTED CHECKED BLEEDS AND
- [SDR P5CA0200702](https://openairdocs.org/sdr/P5CA0200702), Oct 7, 2002: CASE. CRACKED. EN ROUTE NR 2 ENG OIL DROPPED FROM 6.7 GALLONS TO 3.9 GALLONS BY TOC. OIL QTY CONTINUED TO DROP AT A RATE OF 1.4 GALLONS IN 1ST HOUR OF CRUISE. ALL OTHER PARAME
- [SDR P5CA0200697](https://openairdocs.org/sdr/P5CA0200697), Aug 16, 2002: ENGINE. MAKING METAL. COMPRESSOR STALL & ENGINE FAILURE AT FL 37.0. SECURED ENGINE PER PAC ABNORMAL PROCEDURE & CHECKLIST. EGT INCREASING PAST 910 DEGREES WHEN SHUTDOWN INITIATED. UP
- [SDR 02FDEA00312](https://openairdocs.org/sdr/02FDEA00312), May 4, 2002: BLEED VALVE. MALFUNCTIONED. CRUISE IN WX AT 350 MACH 80 A/I ON, EXPERIENCED ENGINE COMPRESSOR STALL ON NR 2 ENGINE. REMOVED EVBC.
- [SDR 02FDEA00230](https://openairdocs.org/sdr/02FDEA00230), Apr 5, 2002: REGULATOR. FAULTY. ON TAKEOFF THROTTLE WERE 2 KNOB WIDTHS APART. NR 1 ENG W/N REACH FULL CLIMB PWR. DURING DESCENT NR 1 ENG IDG ADVISORY ILLUMINATED & TEMP REACHED 144 DEG. REMOVE
- [SDR P5CA0200664](https://openairdocs.org/sdr/P5CA0200664), Mar 17, 2002: BOLT. SHEARED. ONE BOLT HEAD SHEARED OFF ON RT SIDE OF NR 1 ENGINE AFT MOUNT TO PYLON FITTING. REMOVED AND REPLACED TWO BOLTS ON RT SIDE FOR AFT MOUNT TO FITTING PER MM 54-41-
- [SDR P5CA0200638](https://openairdocs.org/sdr/P5CA0200638), Feb 1, 2002: COMPRESSOR. FAILED. WHILE CLIMBING, NR 3 FAILED WITH LOUD BANG AND VIBRATION. EPR DECREASED RAPIDLY AND EGT INCREASED TO APPROX 910. PERFORMED ENG FIRE/SEVERE DAMAGE CHECKLIST. SEC
- [SDR UPS00432439](https://openairdocs.org/sdr/UPS00432439), Apr 26, 2000: FUEL TANK. CONTAMINATED. INSPECTION TYPE:N/A, NR 4 ENG FAILED AT FL390 M.845 SAT -52 NORMAL SHUTDOWN AND ALL CHECKLISTS COMPLETED. UNABLE TO AIR START DUE TO HIGH N2 AT CRUISE. ENGINE R
- [SDR CKSA99071](https://openairdocs.org/sdr/CKSA99071), Jul 29, 1999: ENGINE. MALFUNCTIONED. DURING CLIMB AT ALT 28.0, HEARD LOUD BANG JARRING ACFT. NR 3 ENG FAILURE. TIME 2345Z, 21 MIN INTO CLIMB. CLEAR AIR, NO ICING. AIRSPEED 300 KTS, OIL TEMP 130 DEG
- [SDR CA981019017](https://openairdocs.org/sdr/CA981019017), Oct 2, 1998: ENGINE. MAKING METAL. (CAN) NR 2 ENGINE FAILED IN CLIMB, BIG BANG HEARD/FELT WITH HIGH EGT AND WARNING LIGHT. IN-FLIGHT ENGINE SHUTDOWN WAS CARRIED OUT AND THE AIRCRAFT RETURNED TO I
- [SDR CA981019018](https://openairdocs.org/sdr/CA981019018), Oct 2, 1998: SWITCH. FAILED. (CAN) NR 2 ENGINE OIL PRESSURE LIGHT ILLUMINATED WITH AN ACCOMPANYING LOW OIL PRESSURE GAUGE IN-FLIGHT. THE ENGINE WAS SHUTDOWN. POS-FLIGHT INSPECTION OF THE EN
- [SDR CA990203015](https://openairdocs.org/sdr/CA990203015), Oct 2, 1998: BLADE. FRACTURED. (CAN) NR 2 ENGINE FAILED IN CLIMB. IN-FLIGHT SHUTDOWN CARRIED OUT AT 9,400 FEET, SPEED 250 KNOTS, BIG BANG FELT/HEARD, WITH HIGH EGT AND LIGHT ON. FLIGHT RETURN
- [SDR CA981030016](https://openairdocs.org/sdr/CA981030016), Sep 27, 1998: FCU. FAILED. (CAN) DURING CRUISE AT FL 390, NR 2 ENGINE POWER DROPPED SIGNIFICANTLY BELOW OTHER ENGINE. ALL NR 2 ENGINE PARAMETERS WERE BELOW THE OTHER ENGINES. THE NR 2 ENG
- [SDR CA980909009](https://openairdocs.org/sdr/CA980909009), Aug 18, 1998: WIRE. FAILED. (CAN) SMOKE IN NR 3 GALLEY. LIGHT ASSY WIRES FOR HOT CUP BURNT. REPAIRED.
- [SDR UPS98427265](https://openairdocs.org/sdr/UPS98427265), Aug 2, 1998: CONNECTOR PIN. BENT. INSPECTION TYPE-N/A, CREW REPORTED AT 500 FT AGL ON FINAL APPROACH, NR 1 ENGINE FLAMED OUT. NORMAL LANDING ACCOMPLISHED. INFLIGHT START NOT INITIATED DUE TO DIS
- [SDR CA980814013](https://openairdocs.org/sdr/CA980814013), Jul 31, 1998: TIRE. FAILED. (CAN) NR 8 TIRE BLOWN ON LANDING. REPLACED NR'S 7 AND 8 WHEELS, BRAKES AND AXLES.
- [SDR UPS98427170](https://openairdocs.org/sdr/UPS98427170), Jul 16, 1998: ENGINE. FAILED. INSPECTION TYPE-N/A, NR 2 ENG FLAMED OUT. FOUND METAL IN LOWER RT BLEED SCREEN. REPLACED ENGINE.
- [SDR UPS98427139](https://openairdocs.org/sdr/UPS98427139), Jul 10, 1998: GUIDE VANE. CRACKED. ENG FAN EXIT GUIDE VANE HAS TWO CRACKS 1 APPX .125 INCH LONG 1 APPX .25 INCH LONG. BOTH HAVE DEFLECTION. NR 1 ENG FAN EXIT GUIDE VANE DAMAGE BEYOND LIMITS AND R
- [SDR CA980706028](https://openairdocs.org/sdr/CA980706028), Jun 16, 1998: OUTFLOW VALVE. FAILED. (CAN) ON CLIMB, THE LT OUTFLOW VALVE STICKING THROUGH 22,000 FEET, UNABLE TO MAINTAIN CABIN ALTITUDE, AIRCRAFT RETURNED. WITH MODE SELECTOR SWITCH IN MANUAL, PR
- [SDR P5CA9800743](https://openairdocs.org/sdr/P5CA9800743), Mar 24, 1998: OIL TANK CAP. MISSING. FOUND NR 4 ENGINE OIL CAP MISSING. INSPECTED ENG FOR CAP. DRAINED OIL AND SERVICED. INSTALLED NEW CAP, OPS AND LEAK CHECK OK IAW MM 79-11-00.
- [SDR CA971208008](https://openairdocs.org/sdr/CA971208008), Mar 17, 1998: TIRE. BLOWN. (CAN) NR 10 TIRE BLEW ON LANDING. TIRE REPLACED.
- [SDR 98ZZZX53](https://openairdocs.org/sdr/98ZZZX53), Dec 10, 1997: DISK. CRACKED. DURING COMPLEX INSPECTION (INCOMING INSP), ONE DOVETAIL WAS DISCOVERED DEFECTIVE. CRACK WAS ALONG THE WALL OF THE PRESSURE FACE CONTINUING ON THROUGH APPROXIMAT
- [SDR CA971106009](https://openairdocs.org/sdr/CA971106009), Oct 11, 1997: PANEL ASSEMBLY. MISSING. (CAN) PNEUMATIC SERVICE DOOR MISSING. NEW DOOR INSTALLED. AIRCRAFT TT: 61,933 HOURS.
- [SDR CA971021018](https://openairdocs.org/sdr/CA971021018), Sep 28, 1997: PANELS. DAMAGED. (CAN) RIGHT HAND WING LEADING EDGE PANELS DAMAGED INBOARD OF NR3 ENGINE. DUCT CLAMP IN RIGHT HAND WING LEADING EDGE FAILED CAUSING DAMAGE TO LEADING EDGE PANEL.
- [SDR CA971031012](https://openairdocs.org/sdr/CA971031012), Sep 25, 1997: LINE ASSEMBLY. LEAKING. (CAN) AFTER TAKEOFF NR1 HYDRAULIC SYSTEM LOW QUANTITY LIGHT CAME ON. TOTAL LOSS OF FLUID. UNABLE TO RETRACT GEAR. SPLIT FLAP INDICATION HYDRAULIC LEAK OR LOSS C
- [SDR CA971016015](https://openairdocs.org/sdr/CA971016015), Sep 21, 1997: TIRE. BLOWN. (CAN) DURING TAKEOFF NR 11 TIRE BLEW LEAVING RUBBER ON RUNWAY. DURING TAXI BLEW NR 12 TIRE. REPLACED NR 11 AND NR 12 WHEEL ASSEMBLIES AND BRAKE ASSEMBLIES.
- [SDR CA970922023](https://openairdocs.org/sdr/CA970922023), Aug 30, 1997: LENS. MISSING. (CAN) RIGHT HAND WING TIP NAVIGATION LIGHT LENS COVER MISSING.
- [SDR CA970905007](https://openairdocs.org/sdr/CA970905007), Aug 22, 1997: SMOKE DETECTOR. INTERMITTENT. (CAN) FORWARD CARGO FIRE LIGHT CAME ON IN FLIGHT. BOTH FIRE AGENTS DISCHARGED. FLIGHT DIVERTED, INSPECTED ON RUNWAY, NO FIRE. CHANGED MAIN AND ALTERNATE CARGO F
- [SDR CA970903018](https://openairdocs.org/sdr/CA970903018), Aug 18, 1997: TIRE. BLOWN. (CAN) ON TAKEOFF NR11 AND NR12 TIRES BLEW, REPLACED. RIGHT HAND (ADF) AUTOMATIC DIRECTION FINDER SENSE ANTEWNNA AND PANEL 194C REPLACED.
- [SDR CA970903015](https://openairdocs.org/sdr/CA970903015), Jul 26, 1997: ACTUATOR. BROKEN. (CAN) ON LANDINAG AIRCRAFT HAD A BIRD STRIKE. NR15 LEADING EDGE FLAP BULLNOSE MINOR DENT AT OUTBOARD END. WHEN NR16 LEADING EDGE FLAP CONTACTED LEADING EDGE BUL
- [SDR 97ZZZX3503](https://openairdocs.org/sdr/97ZZZX3503), Jul 20, 1997: ENGINE. FAILED. PPG/AKL - FLT EZ6987 - EN ROUTE, DIVERTED TO NAN DUE NR 2 ENGINE SHUT DOWN (OVER TEMP) DURING CLIMB. DURING GROUND INSPECTION, MELTED METAL PIECES FOUND IN TAIL
- [SDR CA970710011](https://openairdocs.org/sdr/CA970710011), Jun 27, 1997: ENGINE. MAKING METAL. (CAN) #1 ENGINE SURGE AND VIBRATION DURING CLIMB THROUGH 16,000 FEET. EXHAUST GAS TEMPERATURE (EGT) HIGH, N1, N2 LOW. ENGINE SHUTDOWN AND FLIGHT DIVERTED. POST 
- [SDR CA970710008](https://openairdocs.org/sdr/CA970710008), Jun 19, 1997: EYE END. SHEARED. (CAN) WHEN PASSENGER ENTRANCE DOOR L2 OPENED CHUTE GIRT BAR AFT END CAME OFF. FOUND EYE END OF ROD SHEARED OFF. REPLACED.
- [SDR 9711329150](https://openairdocs.org/sdr/9711329150), Jun 11, 1997: PRBC. MALFUNCTIONED. AS TAKEOFF POWER WAS APPLIED, THE RIGHT ENGINE EXPERIENCED COMPRESSOR STALLS. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE RIGHT ENGI

All 71: https://openairdocs.org/engine/pratt-whitney-jt9d-7/reports.md

## STCs that may be installed (OpenAirDocs) (10)

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 SE2338SO](https://openairdocs.org/stc/SE2338SO): Installation of an oil tank safety cap adapter which prevents oil loss in the event of loss or damage to the filler cap. Jet Avion Corporation
- [STC SE00024EN](https://openairdocs.org/stc/SE00024EN): Installation of oil tank filler neck check valve. Helicopter Support Inc Services Div
- [STC SE01543CH](https://openairdocs.org/stc/SE01543CH): Replace Hamilton Sundstrand P/N 778839-13, 778839-14, 778839-19, 778839-20, 778839-37, 778839-38, 816682-1, 840618-2, 880724 carbon bushings with Cook Airtomic P/N AIR22947 Slotted Entry Busing in the High Pressure Shutoff Valve. Cook Airtomic
- [STC SE00402NY](https://openairdocs.org/stc/SE00402NY): Installation of corrosion resistant steel replacement Chip Detectors. Vickers Inc. Lists JT9D Series
- [STC SE497NE](https://openairdocs.org/stc/SE497NE): Installation of oil tank filler neck check valve assembly. Aviation Components Support
- [STC SE00047AT-D](https://openairdocs.org/stc/SE00047AT-D): Modification of turbine exhaust case to provide increased wall thickness for the purpose of improved blade containment. Aero Component Technologies
- [STC SE00046AT-D](https://openairdocs.org/stc/SE00046AT-D): State 1 LPC Stator: Provide a seamless one piece rubber airflow surface at the inner shroud. Aero Component Technologies
- [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 JT9D Series
- [STC SE435NE](https://openairdocs.org/stc/SE435NE): Installation of an oil tank filler opening shuttle valve. Stockbridge William D
- [STC SA2227SO](https://openairdocs.org/stc/SA2227SO): Installation of wiring and associated components for utilization of the Rolls Royce, Inc., ARINC, interface/readers UT1317 or UT1317/1, for the purpose of acquisition, recording, and analysis in real time of engine/aircraft/ systems. (767 SERIES POWERED BY RR RB-11-524 SERIES. Rolls Royce, Inc. Lists JT9D Series

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