# Service difficulty reports: Pratt & Whitney JT9D-7Q

A list on [Pratt & Whitney JT9D-7Q](https://openairdocs.org/engine/pratt-whitney-jt9d-7q.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 6 · 258 reports

- [SDR KCSA20120806009](https://openairdocs.org/sdr/KCSA20120806009.md): Engine · malfunctioned · Aug 6, 2012 · N708CK · Boeing 747212B · Engine (Turbine/Turboprop)
  > CLIMBING THRU FL 26.0 NR 3 ENGINE EXPERIENCED A LOUD BANG FOLLOWED BY VIBRATION. ENGINE WAS SHUTDOWN IAW QRH PROCEDURES, NO FIRE LIGHT ILLUMINATED. AFTER SHUTDOWN, OIL PRESSURE READS 6 PSI AND N2 RPM 21%. TOTAL FLIGHT TIME ENGINE WINDMILLED 58 MINUTES. TIME
- [SDR KCSA101196](https://openairdocs.org/sdr/KCSA101196.md): Skin · damaged · Dec 19, 2010 · N701CK · Boeing 747259B · Nacelle/Pylon, Plate/Skin
  > NR3 PYLON INBD SKIN DAMAGED ALONG BOTTOM EDGE, NAC STA 215 TO 222.
- [SDR KCSA101197](https://openairdocs.org/sdr/KCSA101197.md): Skin · damaged · Dec 19, 2010 · N701CK · Boeing 747236B · Nacelle/Pylon, Plate/Skin
  > NR4 PYLON INBD SKIN DAMAGED ALONG BOTTOM EDGE, NAC STA 200.
- [SDR KCSA101191](https://openairdocs.org/sdr/KCSA101191.md): Light · inoperative · Dec 2, 2010 · N708CK · Boeing 747212B · Emergency Lighting
  > L1 DOOR OPENING FWD EMERGENCY EXIT LIGHT INOP.
- [SDR KCSA08032](https://openairdocs.org/sdr/KCSA08032.md): Fire Warning · activated · Apr 20, 2008 · N704CK · Boeing 747209F · Fire Detection
  > NR 3 ENG FIRE INDICATION DURING CLIMBOUT THROUGH 4000 FT APPROX 5 MIN INTO FLIGHT.
- [SDR NWAA072986743](https://openairdocs.org/sdr/NWAA072986743.md): Engine · flamed out · Sep 2, 2007 · N643NW · Boeing 747249F · Engine (Turbine/Turboprop)
  > DURING CRUISE, THE NR 4 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED. PER THE COM THE ENGINE WAS OPERATED AT REDUCED THRUST. THE ENGINE SUBSEQUENTLY EXPERIENCED A FLAME-OUT. A RESTART ATTEMPT WAS UNSUCCESSFUL. THE FLIGHT CONTINUED TO NRT AND LANDED WITHOUT F
- [SDR UPS07450335](https://openairdocs.org/sdr/UPS07450335.md): Plate · misinstalled · Jul 3, 2007 · N522UP · Boeing 747200 · Fuselage Miscellaneous Structure
  > INSPECTION TYPE: C M/D BS 940 RT TENSION TIE FWD ATT STEEL PLATE UPPER ROW MOST IB FASTENER HOLE FOUND SHORT EDGE MARGIN. M/DECK BS 940 RT TENSION TIE FWD ATTACH STEEL PLATE REPLACED AND INSTALLED IAW HX RS NR R53-25-35824 AND UPS EO NR B747-5310-23715-C CONT
- [SDR KCSA07054](https://openairdocs.org/sdr/KCSA07054.md): Engine · stalled · Jun 24, 2007 · N701CK · Boeing 747236B · Engine (Turbine/Turboprop)
  > NR 4 ENG SILENT STALLED DURING FLT IDLE DECEL AT 25000FT, C/W ALL APPLICABLE KA QRH PROCEDURES, 2 RESTART ATTEMPTS UNSUCCESSFUL MAX EGT 617 DEGREE, WINDMILL PAR A - 15 MIN DURATION AT 10K, N1 18%, N2 13%, FF 0, OIL QUANTITY FULL, OIL PRESS ABOVE 6 PSI. ACCOMP
- [SDR KCSA071096](https://openairdocs.org/sdr/KCSA071096.md): Stringer · gouged · Mar 29, 2007 · N701CK · Boeing 747236B · Fuselage Main, Longeron/Stringer
  > STA-2380 STR-46R HAS GOUGE.
- [SDR KCSA071097](https://openairdocs.org/sdr/KCSA071097.md): Floorbeam · dented · Mar 29, 2007 · N701CK · Boeing 747236B · Fuselage Main, Floor Beam
  > STA 1720 RBL 46 FLOORBEAM UPPER CAP DENTED WL 118.
- [SDR KCSA071098](https://openairdocs.org/sdr/KCSA071098.md): Floorbeam · damaged · Mar 29, 2007 · N701CK · Boeing 747236B · Fuselage Main, Floor Beam
  > UPPER DECK FLOORBEAM STA 420 RBL 5 HAS ELONGATED FASTENER HOLE IN UPPER CHORD FWD SIDE.
- [SDR KCSA071099](https://openairdocs.org/sdr/KCSA071099.md): Bulkhead · dented · Mar 29, 2007 · N701CK · Boeing 747236B · Fuselage Main, Bulkhead
  > AFT PRESSURE BULKHEAD HAS 2 DENTS STA 2382, WL 190, RBL 40.
- [SDR KCSA071100](https://openairdocs.org/sdr/KCSA071100.md): Frame · chafed · Mar 29, 2007 · N701CK · Boeing 747236B · Fuselage Main, Frame
  > STA 1720 RBL 46 BOTTOM OF FRAME WEB HAS 2 SMALL HOLES FROM CHAFING.
- [SDR KCSA071089](https://openairdocs.org/sdr/KCSA071089.md): Seat Track · bent · Mar 28, 2007 · N701CK · Boeing 747236B · Fuselage, Seat/Cargo Attach Fittings
  > AFT PIT SEAT TRACK FLANGE BENT AT BS 1905, LBL-25
- [SDR KCSA071090](https://openairdocs.org/sdr/KCSA071090.md): Floorbeam · dented · Mar 28, 2007 · N701CK · Boeing 747236B · Fuselage Main, Floor Beam
  > AFT PIT FLOORBEAM UPPER CAP DENTED AT BS 1720, RBL 46.
- [SDR KCSA071091](https://openairdocs.org/sdr/KCSA071091.md): Floorbeam · bent · Mar 28, 2007 · N701CK · Boeing 747236B · Fuselage Main, Floor Beam
  > AFT PIT FLOORBEAM UPPER CAP BENT AT BS 1580, RBL 54.
- [SDR KCSA071092](https://openairdocs.org/sdr/KCSA071092.md): Bulkhead · dented · Mar 28, 2007 · N701CK · Boeing 747236B · Fuselage Main, Bulkhead
  > AFT PRESSURE BULKHEAD HAS (2) SMALL DENTS LBL 45, WL 210, STA 2400.
- [SDR KCSA071093](https://openairdocs.org/sdr/KCSA071093.md): Floorbeam · corroded · Mar 28, 2007 · N701CK · Boeing 747236B · Fuselage Main, Floor Beam
  > STA 360 FLOORBEAM UPPER CHORD HAS AREA OF CORROSION AT LBL 34, WL 312.
- [SDR KCSA071087](https://openairdocs.org/sdr/KCSA071087.md): Seat Track · corroded · Mar 27, 2007 · N701CK · Boeing 747236B · Fuselage, Seat/Cargo Attach Fittings
  > MAIN DECK SEAT TRACK CORRODED AT BS 1670, LBL 76, WL 200.
- [SDR KCSA071085](https://openairdocs.org/sdr/KCSA071085.md): Shear Web · cracked · Mar 27, 2007 · N701CK · Boeing 747236B · Fuselage Miscellaneous Structure
  > MAIN DECK SLOPING, SHEAR WEB CRACKED AT FORWARD IB CORNER AFT OF TENSION TIE AT BS 820, RBL 77, STR 9R.
- [SDR KCSA071086](https://openairdocs.org/sdr/KCSA071086.md): Shear Web · cracked · Mar 27, 2007 · N701CK · Boeing 747236B · Fuselage Miscellaneous Structure
  > MAIN DECK SLOPING SHEAR WEB CRACKED AT FORWARD I/B CORNER AFT OF TENSION TIE AT BS 820, LBL 77, STR 9L.
- [SDR KCSA071088](https://openairdocs.org/sdr/KCSA071088.md): Shear Tie · cracked · Mar 27, 2007 · N701CK · Boeing 747236B · Fuselage Internal Mounting Structure
  > MAIN DECK FUSELAGE FRAME SHEAR TIE CRACKED ON BOTH SIDES OF STR 11L.
- [SDR NWAA070766729](https://openairdocs.org/sdr/NWAA070766729.md): Fuel Filter · dirty · Mar 4, 2007 · N629US · Boeing 747251F · Engine Fuel Distribution
  > DURING CRUISE AT FL390, IN CODE 5 TURBULENCE, NR 2 ENGINE FLAMED OUT. DESCENDED TO FL270 AND SUCCESSFULLY RESTARTED ENGINE. FLIGHT CONTINUED TO NRT AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED TO FUEL FILTER. THE ENGINE WAS INSPECTED, TEST
- [SDR KCSA071094](https://openairdocs.org/sdr/KCSA071094.md): Bulkhead · dented · Feb 28, 2007 · N701CK · Boeing 747236B · Fuselage Main, Bulkhead
  > AFT PRESSURE BULKHEAD HAS SEVERAL SMALL DENTS RBL 30, WL 200, STA 2390.
- [SDR KCSA071095](https://openairdocs.org/sdr/KCSA071095.md): Bulkhead · dented · Feb 28, 2007 · N701CK · Boeing 747236B · Fuselage Main, Bulkhead
  > AFT PRESSURE BULKHEAD HAS SEVERAL SMALL DENTS RBL 55, WL 220, STA 2400.
- [SDR 0602316730](https://openairdocs.org/sdr/0602316730.md): Engine · stalled · Oct 19, 2006 · N630US · Boeing 7472J9F · Engine (Turbine/Turboprop)
  > DURING CLIMB NR 2 ENGINE EXPERIENCED AN OVERTEMP WITH AUDIBLE COMPRESSOR STALL. THE ENGINE WAS SHUTDOWN, APPROXIMATELY 120,000 POUNDS OF FUEL WERE DUMPED AND THE FLIGHT RETURNED TO BKK. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND SEVER DAMAGE IN
- [SDR WRNA200600035](https://openairdocs.org/sdr/WRNA200600035.md): Engine · unserviceable · Oct 14, 2006 · N526UP · Boeing 747212B · Engine (Turbine/Turboprop)
  > DURING CLIMB-OUT OF MIA AT APPROX 18,000 FEET, THERE WAS A LOUD BANG FROM NR 3 ENGINE WITH A SPIKE IN EGT TO 780C AND FLUCTUATING EPR. ENGINE WAS SHUT DOWN, 19,000 POUNDS OF FUEL WERE DUMPED AND AIRCRAFT RETURNED TO MIA AND MADE A SAFE LANDING. VISUAL INSPEC
- [SDR UPS06448216](https://openairdocs.org/sdr/UPS06448216.md): Battery · inoperative · Oct 9, 2006 · N521UP · Boeing 747283B · Emergency Lighting
  > FOUND EMERG LT AT MAIN CARGO DECK ENTRANCE INOP, LT ASSY ON REQ A863705. REMOVED AND REPLACED BATTERY ASSY IAW MM 33-51-00. OPS CK OK.
- [SDR UPS06448249](https://openairdocs.org/sdr/UPS06448249.md): Skin · corroded · Oct 3, 2006 · N523UP · Boeing 747283B · Fuselage Main, Plate/Skin
  > INSPECTION TYPE: C FX BS 2180-2186 S46-47R EXISTING REPAIR REMOVE REQUIRE FOR CUTOUT EVALUATION. CORROSION BLEND OUT 0.048 INCH X 1INCH X.7500 INCH, FX BS 2180 TO BS 2193 STR 44R TO STR 48R AREA LAP AND BUTT JOINT SKIN REPAIRED IAW RS R53-61-35631 REPEAT IN
- [SDR UPS06448206](https://openairdocs.org/sdr/UPS06448206.md): Vertical Beam · cracked · Sep 26, 2006 · N523UP · Boeing 747283B · Passenger/Crew Doors
  > INSPECTION TYPE-C NR 2L MED FWD LOWER CORNER VERTICAL BEAM FOUND CRACK APPROX.7500 INCH LONG. NR 2L MED FWD LOWER CORNER VERTICAL BEAM REPAIRED IAW SRM 52-10-02 FIG 10.
- [SDR UPS06448207](https://openairdocs.org/sdr/UPS06448207.md): Vertical Beam · cracked · Sep 26, 2006 · N523UP · Boeing 747283B · Passenger/Crew Doors
  > INSPECTION TYPE-C NR 1R MED FWD LOWER CORNER VERTICAL BEAM FOUND CRACK APPROX 1.5 INCH LONG. NR 1R MED FWD LOWER CORNER VERTICAL BEAM REPAIRED IAW SRM 52-10-02 FIG 10.
- [SDR UPS06448211](https://openairdocs.org/sdr/UPS06448211.md): Vertical Beam · cracked · Sep 26, 2006 · N523UP · Boeing 747283B · Service Doors
  > INSPECTION TYPE-C NR 4L MED FWD LOWER CORNER VERTICAL BEAM FOUND CRACK APPROX 1 INCH LONG. NR 4L MED FWD LOWER CORNER VERTICAL BEAM REPAIRED IAW SRM 52-10-02 FIG 10.
- [SDR UPS06448208](https://openairdocs.org/sdr/UPS06448208.md): Fitting · corroded · Sep 23, 2006 · N523UP · Boeing 747283B · Fuselage Miscellaneous Structure
  > INSPECTION TYPE-C FX LT BS 980 STR 38L UPPER AND LOWER DRAG SPLICE FITTINGS ATT BOLT HOLE AREA FOUND CORROSION. CORROSION BLEND OUT 0.092 INCH BY 1.5 INCH BY 3 INCH. FX LT BS 980 STR 38L UPPER AND LWR DRAG SPLICE FTGS REPLACED AND INSTALLED IAW SRM 51-10-01
- [SDR UPS06448212](https://openairdocs.org/sdr/UPS06448212.md): Attach Fitting · corroded · Sep 23, 2006 · N523UP · Boeing 747283B · Fuselage Main, Attach Fittings
  > INSPECTION TYPE-C CORROSION FOUND AT 1 FASTENER HOLE AT FRAME WEB ATTACH FITTING LOCATED AT BS 979 S38L. FWD CARGO COMPT BS979 S38L FRAME ATTACHED FTG REPLACED AND INSTALLED IAW SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR UPS06448209](https://openairdocs.org/sdr/UPS06448209.md): Vertical Beam · cracked · Sep 22, 2006 · N523UP · Boeing 747283B · Passenger/Crew Doors
  > INSPECTION TYPE-C M/D RT NR 5 DOOR INTERIOR FWD LWR CORNER VERTICAL BEAM FOUND CRACK, CRACK LENGTH 4.7500 INCH APPROX. M/D RT NR 5 DOOR INTERIOR FWD LOWER CORNER VERTICAL BEAM REPAIRED IAW SRM 51-10-02 FIG 10.
- [SDR WRNA200600018](https://openairdocs.org/sdr/WRNA200600018.md): Engine · malfunctioned · Jun 6, 2006 · N922FT · Boeing 7472U3B · Engine (Turbine/Turboprop)
  > DURING TAKEOFF, A BALL OF FIRE FROM THE LEFT SIDE WAS REPORTED ACCOMPANIED WITH A LOUD BANG, CREW BELIEVED NR 1 ENGINE HAD FAILED AND ABORT OF TAKEOFF WAS INITIATED. AIRCRAFT SKIDDED APPROX 150 FEET OFF END OF RUNWAY, (RUNWAY CONTAMINATED WITH STANDING WATER)
- [SDR P5CA0601454](https://openairdocs.org/sdr/P5CA0601454.md): Line · cracked · Feb 27, 2006 · N920FT · Boeing 747249F · Engine Fuel and Control
  > CREW REPORTED ON CLIMBOUT THROUGH FL 280, AIRCRAFT YAWED, NR 1 ENGINE SHUT DOWN. ATTEMPT TO RESTART UNSUCCESSFUL. DUMPED FUEL AND RETURNED TO PIK. FOUND SENSE LINE CRACKED AT REAR OF FUEL CONTROL. LINE REMOVED AND REPAIRED PER PRATT WHITNEY EM 72-09-7.
- [SDR WRNA200600005](https://openairdocs.org/sdr/WRNA200600005.md): Filter · unknown · Feb 26, 2006 · N922FT · Boeing 7472U3B · Engine Fuel and Control
  > WHEN LEVELING FL 380, MACH SPD.84, WHILE SLOWLY REDUCING POWER, NR 1 ENGINE AUDIBLY COMPRESSOR STALLED, EPR FLUX ALONG WITH INCREASE IN EGT, AMBER/HIGH EGT LIGHT ILLUMINATED, UPON REDUCING NR 1 ENG TO IDLE, EPR CONTINUED TO FLUX, ACCOMPLISHED ENGINE FAILURE/P
- [SDR KCSA06006](https://openairdocs.org/sdr/KCSA06006.md): Battery Pack · inoperative · Feb 1, 2006 · N703CK · Boeing 747212B · Emergency Lighting
  > EXT SLIDE EMERGENCY LIGHT INOP. REMOVED AND REPLACED BATTERY PACK MODULE IAW MM 20-51-00. OPS CHECK GOOD IAW MM 33-51-00.
- [SDR 0600246623](https://openairdocs.org/sdr/0600246623.md): Light · inoperative · Jan 25, 2006 · N623US · Boeing 747251B · Emergency Lighting
  > DURING LINE CHECK, FOUND DOOR 1L MOUNTED EMERGENCY LIGHT INOP. REPLACED DOOR MOUNTED LIGHT ASSEMBLY. OPERATIONAL CHECK GOOD. A/C RETURNED TO SERVICE. DUPLICATED LOG PAGE 2458738.
- [SDR WRNA20050029](https://openairdocs.org/sdr/WRNA20050029.md): Engine · malfunctioned · Dec 10, 2005 · N923FT · Boeing 7472U3B · Engine (Turbine/Turboprop)
  > CLIMBING OUT THRU 16K FT, NR 2 ENGINE SHUTTERED, ACCOMPANIED BY LOUD NOISE. HIGH EGT, EPR AND OIL PRESSURE, TEMP ALL WITHIN LIMITS. SHUT DOWN NR 2 ENGINE. AIRCRAFT RETURNED TO FIELD, LANDING NORMAL.
- [SDR P5CA0501409](https://openairdocs.org/sdr/P5CA0501409.md): Starter · failed · Oct 31, 2005 · N920FT · Boeing 747249F · Engine Starter
  > AFTER PUSH BACK, CREW REPORTED NR 3 ENGINE WOULD NOT START. PARAMETERS INDICATE NORMAL, NR N1 OR N2 INDICATION. REPLACED STARTER IAW MM 80-10-00. OPS NORMAL.
- [SDR UPS05444898](https://openairdocs.org/sdr/UPS05444898.md): Engine · failed · Jul 14, 2005 · N521UP · Boeing 747212B · Engine (Turbine/Turboprop)
  > NR 3 ENGINE FAILED. REPLACED NR 3 ENGINE IAW TASK CARD 5000, 5016. OPS CHECK GOOD.
- [SDR 05052](https://openairdocs.org/sdr/05052.md): Engine · fire · Jul 3, 2005 · N714CK · Boeing 747209B · Engine (Turbine/Turboprop)
  > AFTER INITIATING CLIMB THRUST AT 1,000 FT, NR 3 ENGINE FIRE LIGHT ILLUMINATED WITH ACCOMPANYING FIRE WARNING BELL AND BOTH MASTER WARNING LIGHTS. ENGINE FIRE CHECKLILST, FUEL JETTISON CHECKLIST AND NR 2 GENERATOR INOPERATIVE CHECKLIST ACCOMPLISHED IAW WITH QR
- [SDR WRNA200500016](https://openairdocs.org/sdr/WRNA200500016.md): Engine · damaged · Jun 21, 2005 · N922FT · Boeing 7472U3B · Engine (Turbine/Turboprop)
  > VERY LOUD RUMBLE ON TAKE OFF. UPON LANDING, NR 2 ENGINE WAS FOUND TO HAVE COILS MISSING FROM LT SIDE. RT SIDE DAMAGED, ALONG WITH VARIOUS OTHER AREAS OF DAMAGE TO DUCT WORK, FIRE SEAL, AND HYD RACEWAY. ALL ITEMS WERE REPAIRED/REPLACED IAW MM 72-11-02,75-24-
- [SDR WRNA200500013](https://openairdocs.org/sdr/WRNA200500013.md): Engine · damaged · May 21, 2005 · N922FT · Boeing 7472U3B · Engine (Turbine/Turboprop)
  > NR1 ENGINE COMPRESSOR STALLED AT FL 11.5, AIRCRAFT RETURNED. LANDING NORMAL. ENGINE BOROSCOPE COMPLIED WITH, NO DISCREPANCIES NOTED. NR 1 ENGINE FAN CASING ACOUSTIC LINERS FROM 1O`CLOCK TO 8 O'CLOCK POSITION DAMAGED. REMOVED AND REPLACED PANELS IAW 72-31-08,
- [SDR P5CAO501327](https://openairdocs.org/sdr/P5CAO501327.md): Fuel Control · malfunctioned · Mar 3, 2005 · N920FT · Boeing 747249F · Fuel Control/Turbine Engines
  > CREW REPORTED NR 4 ENGINE WOULD NOT MAKE TAKEOFF POWER. ENGINE COULD ONLY MAKE 1.24 EPR. REPLACED FUEL CONTROL. PERFORMED TRIM RUN, ALL NORMAL PER 73-21-01 AND 73-11-01.
- [SDR PCAO501328](https://openairdocs.org/sdr/PCAO501328.md): Pump · malfunctioned · Mar 3, 2005 · N920FT · Boeing 747249F · Engine Fuel Pump
  > CREW REPORTED NR 4 ENGINE WOULD NOT MAKE TAKEOFF POWER. ENGINE COULD ONLY MAKE 1.24 EPR. REPLACED FUEL PUMP. PERFORMED TRIM RUN, ALL NORMAL PER 73-21-01 AND 73-11-01.
- [SDR 0500196729](https://openairdocs.org/sdr/0500196729.md): Engine · overheated · Feb 14, 2005 · N629US · Boeing 747251F · Engine (Turbine/Turboprop)
  > SHORTLY AFTER TAKEOFF, THE NR 4 ENGINE NACELLE TEMPERATURE BEGAN TO INCREASE FOLLOWED BY THE FIRE WARNING ANNUNCIATION. THE CREW FOLLOWED COM PROCEDURES AND WHEN POWER WAS REDUCED THE FIRE WARNING CEASED AND THE NACELLE TEMPERATURE BEGAN TO DECREASE. THE NR
- [SDR P5CA0501305](https://openairdocs.org/sdr/P5CA0501305.md): Line · chafed · Jan 20, 2005 · N920FT · Boeing 747249F · Turbine Engine Oil System
  > NR 3 ENG OIL PRESS FLUCTUATES FROM 35 TO 45 PSI. ENG OIL PRESS LIGHT BLINKS ON & OFF. ALSO OIL QTY WENT FROM 3/4 TO 1/4 AND BACK TO 1/2. FOUND UPPER ENGINE OIL LINE AT OIL FILTER HOUSING CHAFED. REPLACED CHAFED LINE, COI ISSUED/ AMM 20-11-18.

Next page: https://openairdocs.org/engine/pratt-whitney-jt9d-7q/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE engine_model_key = 'JT9D7Q'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/pratt-whitney-jt9d-7q/reports

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