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

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

Newest first. General aviation reporting is voluntary.

Page 1 of 12 · 593 reports

- [SDR KCSA2018121909](https://openairdocs.org/sdr/KCSA2018121909.md): Engine · shutdown · Dec 19, 2018 · N712CK · Boeing 7474B5F · Engine (Turbine/Turboprop)
  > ENGINE #4 SHUTDOWN IN FLIGHT. ENGINE WINDMILLED = 30 MINUTES. OIL PRESSURE 28 PSI. PERFORMED WINDMILL INSPECTION PER B747-400 AMM 72-00-00, NO DEFECTS NOTED. INSPECTED #4 ENGINE FUEL FILLER FOR CONTAMINANTS PER AMM 73-11-02, NO DEFECTS NOTED. PERFORMED #4 BOOS
- [SDR KCSA11029](https://openairdocs.org/sdr/KCSA11029.md): Engine · power loss · May 26, 2011 · N712CK · Boeing 747122 · Engine (Turbine/Turboprop)
  > NR 1 ENGINE ROLLED BACK FUEL HEAT SHUTOFF AT FLIGHT 340 -16 TAT MACH.840. PERFORMED RAPID RESTART PER QRH PG 69. ALL NORMAL AFTER. PERFORMED FIM 71-01-00 DD, NO CONTAMINATION FOUND IN INLET, TURBINE EXHAUST OR 3.5 BLEED. NO METAL FOD FOUND. INSPECTED FUE
- [SDR KCSA11016](https://openairdocs.org/sdr/KCSA11016.md): Engine · flamed out · Mar 26, 2011 · N712CK · Boeing 747122 · Engine (Turbine/Turboprop)
  > AT 1307Z, FL350, STABLE CRUISE FLIGHT, DURING FUEL HEAT APPLICATION, NR 1 ENG FLAME OUT. PERFORMED INFLIGHT ENGINE FAILURE/SHUTDOWN. OIL PRESS 14 PSI. ENG WINDMILLED APPROX 9 MINUTES. NO PARAMETERS EXCEEDED. IN-FLIGHT START SUCCESSFUL. NO CAUTION/WARNINGS
- [SDR KCSA11014](https://openairdocs.org/sdr/KCSA11014.md): Engine · power loss · Mar 25, 2011 · N712CK · Boeing 747122 · Engine (Turbine/Turboprop)
  > AT 0600Z IN STABLE CRUISE, FL350- SMOOTH AIR, IGNITION ON, FUEL HEAT ON, NR 1 ENG ROLLED BACK - MIN OIL PRESS 35 PSI - NO PARAMETERS EXCEEDED - NO FIRE SWITCH PULLED - NO CAUTION / WARNINGS. 2 RAPID RESTARTS DURING APPROX 3 MINUTES. ENG STARTED BUT NO ACCL U
- [SDR KCSA101192](https://openairdocs.org/sdr/KCSA101192.md): Spar · corroded · Dec 2, 2010 · N712CK · Boeing 747122 · Wing Spar
  > CORROSION LT WING FRONT SPAR LOWER CHORD AT WS 1475.
- [SDR KCSA101193](https://openairdocs.org/sdr/KCSA101193.md): Bulkhead · chafed · Dec 2, 2010 · N712CK · Boeing 747122 · Nacelle/Pylon, Bulkhead/Firewall
  > 2 PYLON NAC STA 221.9 BULKHEAD WEB CHAFED AT HYD LINES.
- [SDR UPS08451576](https://openairdocs.org/sdr/UPS08451576.md): Fan Blade · damaged · Jan 29, 2008 · N520UP · Boeing 747212B · Turbine Engine Compressor Section
  > AFTER LANDING IN MEM, MX REPORTED DAMAGE TO MULTIPLE FAN BLADES AND INSIDE OF COWLING ON NR 2 ENGINE. THERE WERE NO IN FLIGHT INDICATIONS. REMOVED AND REPLACED 6 PAIRS OF FAN BLADES IAW MM 72-31-02. REMOVED AND REPLACED NR 2 ENG NOSE COWL IAW T C 5027. REP
- [SDR UPS08451374](https://openairdocs.org/sdr/UPS08451374.md): Engine · power loss · Jan 4, 2008 · N672UP · Boeing 747123 · Engine (Turbine/Turboprop)
  > INSPECTION TYPE:N/A IFSD - AT FL360 AT CRUISE NR 3 ENG ROLLED BACK, CHECK FUEL PANEL ENG HAD PRESS VIA X FEED. ENG STILL ROLLING BACK. PLACED IGN TO FLT START, TEMP STARTED TO OVERTEMP. SHUT ENG DOWN. DESCENDED TO 28000. DID INFLIGHT RESTART AND ENG START
- [SDR UPS07451218](https://openairdocs.org/sdr/UPS07451218.md): Electronic Unit · smoke · Nov 26, 2007 · N683UP · Boeing 747121 · Fuel Flow Indicating
  > FUEL FLOW ELECTRONICS UNIT SMOKING. REMOVED AND REPLACED FUEL FLOW ELECTRONICS UNIT PER MM 73-31-02. OPS CHECK NORMAL.
- [SDR EIA2007154](https://openairdocs.org/sdr/EIA2007154.md): Engine · oil consumption · Aug 29, 2007 · N477EV · Boeing 747SR46 · Engine (Turbine/Turboprop)
  > PASSING THROUGH FL 200, NR 4 OIL QTY WENT TO "0", OIL TEMP REDLINED, OIL PRESSURE 5 PSI. ENGINE SHUT-DOWN AND RETURNED TO SUU STATION. AIRCRAFT FERRIED TO MZJ AND ENGINE REPLACED.
- [SDR KCSA07062](https://openairdocs.org/sdr/KCSA07062.md): Engine · malfunctioned · Aug 8, 2007 · N719CK · Boeing 747SR46 · Engine (Turbine/Turboprop)
  > AT FL 360 AT 0230Z, SMOKE APPEARED IN THE COCKPIT. THREE SECONDS LATER THE NR 4 EGT WENT TO RED LINE, THE RED EGT LIGHT ILLUMINATED, THE OIL QUANTITY WENT TO ZERO, THE OIL PRESSURE WENT TO ZERO, THE OIL TEMPERATURE WENT TO THE RED LINE, AND N2 WENT TO ZERO.
- [SDR UPS07450346](https://openairdocs.org/sdr/UPS07450346.md): Panel · delaminated · Jul 27, 2007 · N677UP · Boeing 747123F · Wing, Plate/Skin
  > RT WING LEADING EDGE, TOP FILLER PANELS OF NR 3 ENGINE 4 INCH X 10 INCH DELAMINATED. DISCOVERED ADDITIONAL DELAM OF INNER SKIN OPPOSITE EXTERIOR SOFT SPOT. REMOVED PANEL FROM AIRCRAFT XZ 1227688, TRIMMED AND PICKED UP HOLES IN NEW PANEL IAW INSTALLED NEW PANE
- [SDR KCSA07041](https://openairdocs.org/sdr/KCSA07041.md): Filter · contaminated · Apr 24, 2007 · N716CK · Boeing 747122 · Engine (Turbine/Turboprop)
  > AT 8000', IDLE THRUST EGT NR 4 AT 874 DEGREES CELSIUS AND N2 AT 43 PERCENT. ALL OTHER INSTRUMENTS NORMAL. ACCOMPLISHED ENGINE STALL IN FLT (ABNORMAL EGT) CHECKLISTS. ATTEMPTED RESTART WITH RAPID RESTART PROCEDURE QRH-69. RESULTED IN DUPLICATE INDICATIONS.
- [SDR KCSA07011](https://openairdocs.org/sdr/KCSA07011.md): Engine · flamed out · Feb 1, 2007 · N716CK · Boeing 747122 · Engine (Turbine/Turboprop)
  > FLT LEVEL 34.0 NR 4 ENG FLAMED OUT, DESCENDED TO F.L 280. RESTARTED ENG - ALL PARAMETERS NORMAL. ENG RESTARTED ON FIRST ATTEMPT. CLIMBED TO FL 340 ENG OPERATES NORMAL. PERFORMED ENG FLAME OUT INSPECTION IAW MM 71-00-42 P-118. PERFORMED ENG WINDMILL INSPECTION
- [SDR KCSA061525](https://openairdocs.org/sdr/KCSA061525.md): Frame · worn · Nov 12, 2006 · N702CK · Boeing 747146 · Nacelle/Pylon, Frame/Spar/Rib
  > NR 2 PYLON FWD OB FRAME WORN THROUGH FROM BOTTOM AT NAC STA 190.
- [SDR KCSA061526](https://openairdocs.org/sdr/KCSA061526.md): Frame · cracked · Nov 12, 2006 · N702CK · Boeing 747146 · Fuselage Main, Frame
  > MAIN DECK FRAME CRACKED AT B.S.1660, STR-12L.
- [SDR KCSA061521](https://openairdocs.org/sdr/KCSA061521.md): Frame · cracked · Nov 11, 2006 · N702CK · Boeing 747146 · Fuselage Main, Frame
  > FORWARD PIT FRAME HAS 8 INCH CRACK AT BS 880, STR-37L, WL127.
- [SDR KCSA061522](https://openairdocs.org/sdr/KCSA061522.md): Frame · cracked · Nov 11, 2006 · N702CK · Boeing 747146 · Fuselage Main, Frame
  > FORWARD PIT FRAME HAS 1INCH CRACK BS 840, STR-37R, WL125.
- [SDR KCSA061523](https://openairdocs.org/sdr/KCSA061523.md): Frame · cracked · Nov 11, 2006 · N702CK · Boeing 747146 · Fuselage Main, Frame
  > FORWARD PIT FRAME HAS 6 INCH CRACK AT BS 760, STR-37R, WL126.
- [SDR KCSA061524](https://openairdocs.org/sdr/KCSA061524.md): Frame · cracked · Nov 11, 2006 · N702CK · Boeing 747146 · Fuselage Main, Frame
  > 1 INCH CRACK IN NOSE W/W VERTICAL FRAME WEB AT B.S.300, WL174, LBL40.
- [SDR KCSA061520](https://openairdocs.org/sdr/KCSA061520.md): Tension Tie · cracked · Nov 10, 2006 · N702CK · Boeing 747146 · Fuselage Main, Structure
  > MAIN DECK TENSION TIE HAS.375 INCH CRACK ON AFT C-CHANNEL AT B.S.900, STR-9R.
- [SDR KCSA061493](https://openairdocs.org/sdr/KCSA061493.md): Light · inoperative · Nov 6, 2006 · N702CK · Boeing 747146 · Emergency Lighting
  > UPPER DECK RT EMERGENCY EXIT SLIDE LIGHT INOPERATIVE.
- [SDR UPS06448611](https://openairdocs.org/sdr/UPS06448611.md): Door Frame · cracked · Oct 21, 2006 · N677UP · Boeing 747123F · Fuselage Main, Structure
  > INSPECTION TYPE-C M/D L1 DOOR LOWER HINGE CUTOUT FRAME FOUND CRACKED. CRACK LENGTH.3750 INCH, M/D L1 DOOR LOWER HINGE CUTOUT FRAME REPAIRED IAW SRM 52-10-02 FIG 12.
- [SDR UPS06448612](https://openairdocs.org/sdr/UPS06448612.md): Vertical Beam · cracked · Oct 21, 2006 · N677UP · Boeing 747123F · Fuselage Main, Structure
  > INSPECTION TYPE-C M/D NR 5R MED FWD LOWER INTERIOR CORNER FOUND VERTICAL BEAM PREVIOUSLY CRACKED. CRACK LENGTH 1.2500 INCH, M/D NR 5R MED FWD LOWER VERTICAL BEAM REPAIRED IAW SRM 52-10-02 FIG 10.
- [SDR UPS06448620](https://openairdocs.org/sdr/UPS06448620.md): Web · corroded · Oct 21, 2006 · N677UP · Boeing 747123F · Passenger/Crew Doors
  > INSPECTION TYPE-C M/D L5 DOOR LOWER HINGE LOWER WEB FOUND CORRODED. CORROSION BLEND OUT 0.063 INCH X 1INCH X 1.5 INCHES EXCEED SRM LIMIT. HINGE WEB REPLACED AND INSTALLED IAW SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR UPS06448621](https://openairdocs.org/sdr/UPS06448621.md): Skin · cracked · Oct 21, 2006 · N677UP · Boeing 747123F · Fuselage Main, Plate/Skin
  > INSPECTION TYPE-C M/D L3 UPPER HINGE EXT SKIN FOUND CRACKED. CRACK LENGTH.3750 INCH. M/D L3 DOOR UPPER HINGE EXT SKIN REPAIR IAW SRM 52-10-02 FIG 11 AND SB 747-52-2144.
- [SDR UPS06448623](https://openairdocs.org/sdr/UPS06448623.md): Housing · chafed · Oct 19, 2006 · N677UP · Boeing 747123F · Trailing Edge Flaps
  > INSPECTION TYPE-C RT WING - O/B MID FLAP OB FORE FLAP TRACK FWD HOUSING FOUND DEEP CHAFED. RHW OB MID FLAP O/B FORE FLAP TRACK FWD HOUSING FTG ASSY REPLACED AND INSTALLED IAW SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR UPS06448622](https://openairdocs.org/sdr/UPS06448622.md): Floorbeam · corroded · Oct 19, 2006 · N677UP · Boeing 747123F · Fuselage Main, Floor Beam
  > INSPECTION TYPE-C M/D BS 2260 RBL 60 FLOORBEAM FOUND CORRODED. (CORROSION BLEND OUT 0.030 INCH X 2 INCH X 2 INCH EXCEED SRM LIMIT.) M/D BS 2260 LBL 8 INCH TO RBL 66 INCH FLOORBEAM REPAIRED IAW SRM 51-40-04 FIG 1. REF NRC 51769 FOR WORKING DETAIL.
- [SDR UPS06448610](https://openairdocs.org/sdr/UPS06448610.md): Stringer · cracked · Oct 16, 2006 · N677UP · Boeing 747123F · Fuselage Main, Structure
  > INSPECTION TYPE-C M/D BS1485 S6R STRINGER END FOUND CRACKED. (CRACK LENGTH 0.45 INCH INCH 0.75 INCH). M/D BS1485 STR 6R REPAIRED IAW RS R53-61-35650 CONTINUE INSPECTION ARE REQUIRED IAW RS R53-61-35650 AND UPS EO B747-5310-25552-A.
- [SDR KCSA061422](https://openairdocs.org/sdr/KCSA061422.md): Skin · corroded · Oct 14, 2006 · N709CK · Boeing 747132 · Fuselage Main, Plate/Skin
  > EXTERNAL FUSELAGE SKIN IS CORRODED AT STA 741 TO 762, STR. 19R.
- [SDR KCSA061420](https://openairdocs.org/sdr/KCSA061420.md): Panel · damaged · Oct 13, 2006 · N709CK · Boeing 747132 · Fuselage Miscellaneous Structure
  > AFT BILGE FLOOR BOX BEAM UPPER PANEL IS DAMAGED IN SEVERAL AREAS AT STA. 1660 TO 1680, RBL 12 TO RBL 30.
- [SDR KCSA061421](https://openairdocs.org/sdr/KCSA061421.md): Shear Tie · corroded · Oct 13, 2006 · N709CK · Boeing 747132 · Fuselage Internal Mounting Structure
  > FORWARD BILGE FUSELAGE FRAME SHEAR TIE IS CORRODED AT STA. 680, ABOVE STR. 44R.
- [SDR KCSA061416](https://openairdocs.org/sdr/KCSA061416.md): Door Frame · cracked · Oct 11, 2006 · N709CK · Boeing 747132 · Fuselage Main, Structure
  > R1 DOOR FRAME CRACKED (3 INCHES) AT FORWARD LOWER CORNER.
- [SDR KCSA061417](https://openairdocs.org/sdr/KCSA061417.md): Frame · cracked · Oct 11, 2006 · N709CK · Boeing 747132 · Fuselage Main, Frame
  > AFT BILGE FUSELAGE FRAME IS CRACKED AT FLOOR LEVEL STA. 1680, LBL 62.
- [SDR UPS06448613](https://openairdocs.org/sdr/UPS06448613.md): Plate · damaged · Oct 11, 2006 · N677UP · Boeing 747123F · Fuselage Main, Structure
  > INSPECTION TYPE-C M/D BS 920 RT TENSION TIE ATTACH STEEL PLATE 8EA RIVET HOLES FOUND ELONGATED. M/D BS 920 RT TENSION TIE FWD CHANNEL ATTACHED STEEL PLATE REPLACED IAW SRM 51-10-01 PG 9 AND INSTALLED IAW SRM 51-30-02.
- [SDR UPS06448615](https://openairdocs.org/sdr/UPS06448615.md): Shear Web · cracked · Oct 11, 2006 · N677UP · Boeing 747123F · Fuselage Main, Structure
  > INSPECTION TYPE-C M/D BS820-840 STR10R STRINGER ATT SHEAR WEB FOUND CRACK. CRACK LENGTH.7500 AND.5 INCH. M/D BS820-840 STR10R AREA SHEAR WEB REPLACED AND INSTALLED IAW SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR UPS06448616](https://openairdocs.org/sdr/UPS06448616.md): Shear Web · cracked · Oct 11, 2006 · N677UP · Boeing 747123F · Fuselage Main, Structure
  > INSPECTION TYPE-C M/D BS820-840 STR10L STRINGER ATT SHEAR WEB FOUND CRACKED. CRACK LENGTH.7500 INCH AND.8750 INCH. M/D BS820-840 STR10L AREA SHEAR WEB REPLACED AND INSTALLED IAW SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR KCSA061414](https://openairdocs.org/sdr/KCSA061414.md): Seat Track · corroded · Oct 10, 2006 · N709CK · Boeing 747132 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK HAS AREAS OF CORROSION FROM STA 480 TO 580 RBL 47.
- [SDR KCSA061415](https://openairdocs.org/sdr/KCSA061415.md): Web · cracked · Oct 10, 2006 · N709CK · Boeing 747132 · Service Doors
  > L4 DOOR INNER WEB CRACKED AT LIGHTENING HOLE AT TOP OF DOOR.
- [SDR UPS06448221](https://openairdocs.org/sdr/UPS06448221.md): Battery Pack · inoperative · Oct 10, 2006 · N682UP · Boeing 747121 · Emergency Lighting
  > DURING ARRIVAL SERVICE CK, FOUND A/C EMERGENCY LIGHTS INOP. REMOVED BATTERY PACK. REMOVED AND REPLACED MAIN ENTRY DOOR AFT LIGHT REF M/M CHAP 33-51-04 PG 205. OPS CK'D EMERGENCY LIGHT CKS OK.
- [SDR UPS06448614](https://openairdocs.org/sdr/UPS06448614.md): Tension Tie · damaged · Oct 10, 2006 · N677UP · Boeing 747123F · Fuselage Main, Structure
  > INSPECTION TYPE-C M/D BS 920 LT TENSION TIE OB FWD CHANNEL 1EA RIVET HOLE FOUND ELONGATED. M/D BS920 LT TENSION TIE OB FWD CHANNEL ELONGATED HOLE OVERSIZED TO 0.247 INCH DIA FASTENER INSTALLED IAW UPS EO B747-5310-23715 APP D AFTER HFEC INSPECTION IAW NTM PAR
- [SDR KCSA061403](https://openairdocs.org/sdr/KCSA061403.md): Seat Track · corroded · Oct 9, 2006 · N709CK · Boeing 747132 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK AT STA 853 TO 870 AT RBL 11 IS CORRODED ON FLANGE.
- [SDR KCSA061405](https://openairdocs.org/sdr/KCSA061405.md): Skin · dented · Oct 9, 2006 · N709CK · Boeing 747132 · Horizontal Stabilizer, Plate/Skin
  > SMALL DENT ON BOTTOM SKIN ON LT HORIZONTAL STAB STA 257 APPROX 14 INCHES AFT OF AUX SPAR.
- [SDR KCSA061406](https://openairdocs.org/sdr/KCSA061406.md): Stringer · corroded · Oct 9, 2006 · N709CK · Boeing 747132 · Fuselage Main, Longeron/Stringer
  > BELLY STRINGER CORRODED STA 1900 TO 1920 RBL 28.
- [SDR KCSA061407](https://openairdocs.org/sdr/KCSA061407.md): Web · cracked · Oct 9, 2006 · N709CK · Boeing 747132 · Fuselage Miscellaneous Structure
  > NOSE WHEEL WELL WEB HAS CRACK UNDERNEATH HORIZONTAL SUPPORT STA 280 WL 170.
- [SDR KCSA061408](https://openairdocs.org/sdr/KCSA061408.md): Web · cracked · Oct 9, 2006 · N709CK · Boeing 747132 · Fuselage Miscellaneous Structure
  > NOSE WHEEL WELL WEB HAS CRACK UNDERNEATH HORIZONTAL SUPPORT STA 265 WL 150.
- [SDR KCSA061409](https://openairdocs.org/sdr/KCSA061409.md): Web · cracked · Oct 9, 2006 · N709CK · Boeing 747132 · Fuselage Miscellaneous Structure
  > NOSE WHEEL WELL HAS A CRACK ON WEB UNDERNEATH HORIZONTAL SUPPORT STA 280 WL 170.
- [SDR KCSA061410](https://openairdocs.org/sdr/KCSA061410.md): Skin · corroded · Oct 9, 2006 · N709CK · Boeing 747132 · Fuselage Main, Plate/Skin
  > CORROSION ON SKIN AT STA 2054 AFT OF BULK DOOR STR 32R TO STR 33R.
- [SDR UPS06447985](https://openairdocs.org/sdr/UPS06447985.md): Engine · shutdown · Sep 13, 2006 · N672UP · Boeing 747123F · Engine (Turbine/Turboprop)
  > NR 3 ENG SHUT DOWN DUE TO AN OIL FILTER BYPASS LIGHT AND SPIKE IN OIL TEMP. AN EMERGENCY WAS DECLARED. REMOVED OIL FILTER DIFFERENTAIL PRESSURE SWITCH ON NR 3 ENGINE PER B747 MM 79-35-01. THIS CLEARS M333490. ENGINE RUN & LEAK CHECK COMPLIED WITH. CLOSING LP
- [SDR EIA2006222](https://openairdocs.org/sdr/EIA2006222.md): Pressure Switch · malfunctioned · Sep 10, 2006 · N482EV · Boeing 747212B · Engine Oil Indicating System
  > DURING CRUISE NR 4 ENG OIL PRESS LIGHT CAME ON, NO OTHER SYSTEM MALFUNCTION NOTED, RAN CHECKLIST. LIGHT WENT OUT BUT LATER CAME ON INTERMITTENTLY, DIVERTED TO JFK. REPLACED LOW OIL AND DIFF PRESS SWITCHES, NO HELP. SAME OCCUPANCY NEXT FLIGHT, TIGHTENED TERM

Next page: https://openairdocs.org/engine/pratt-whitney-jt9d-7a/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 = 'JT9D7A'
ORDER BY difficulty_date DESC
```

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

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