# Service difficulty reports: Pratt & Whitney JT9D-70A

A list on [Pratt & Whitney JT9D-70A](https://openairdocs.org/engine/pratt-whitney-jt9d-70a.md).

Newest first. General aviation reporting is voluntary.

- [SDR P5CA0501419](https://openairdocs.org/sdr/P5CA0501419.md): Transmitter · failed · Dec 15, 2005 · N921FT · Boeing 747283B · Engine Pressure Ratio (EPR)
  > ON TAKEOFF ROLL, CREW REPORTED NR 3 ENGINE EPR WOULD NOT ADVANCE ABOVE 1.2 EPR, FULL TRAVEL OF THROTTLE HAD NO EFFECT. TAKEOFF ABORTED AT 80 KTS IAS EPR ON NR 3 STAYED AT 1.2 UNTIL ENGINE SHUTDOWN. REPLACED EPR TRANSMITTER, PERFORMED LEAK CHECK AND RAN ENGIN
- [SDR PDCA0501420](https://openairdocs.org/sdr/PDCA0501420.md): Transmitter · failed · Dec 12, 2005 · N921FT · Boeing 747283B · Engine Pressure Ratio (EPR)
  > ON CLIMB, NR 3 ENGINE EPR STARTED DECREASING AT FL310 EPR IND., ON DESCENT IT READ HIGH (1.24 AT 150 WITH THRUST LEVERS IDLE) (CORRECTIVE ACTION) REPLACED EPR TRANSMITTER IAW MM 77-11-00 AND DEFERRED OPS CHECK IAW DDPG 77-4.
- [SDR P5CA0501389](https://openairdocs.org/sdr/P5CA0501389.md): Switch · out of adjust · Aug 26, 2005 · N921FT · Boeing 747283B · Engine Thrust Reverser
  > NR 2 ENGINE REVERSER UNSTOW. ADJUSTED NR 2 REVERSER STOW SWITCH PER MM 78-31-00.
- [SDR P5CA0501362](https://openairdocs.org/sdr/P5CA0501362.md): Clamp · failed · Jun 10, 2005 · N921FT · Boeing 747283B · Pneumatic Distribution System
  > NR 1 ENGINE FIRE WARNING SOUNDED ON DESCENT. CLOSED THRUST AND START LEVER, LIGHT WENT OUT. FIRE HANDLE WAS NOT PULLED. REPLACED CLAMP TO HIGH STAGE VALVE. OPS AND LEAK CHECK OK PER MM 36-13-00 AND 71-00-00.
- [SDR P5CA0501377](https://openairdocs.org/sdr/P5CA0501377.md): Clamp · failed · Jun 10, 2005 · N921FT · Boeing 747283B · Pneumatic Distribution System
  > CREW REPORTED NR 1 ENGINE FIRE WARNING SOUNDED ON DESCENT. CLOSED THRUST AND START LEVER, LIGHT WENT OUT. FIRE HANDLE WAS NOT PULLED. REPLACED CLAMP TO HIGH STAGE VALVE, MM 36-13-00. OPS AND LEAK CHECK OK MM 71-00-00.
- [SDR P5CA0501331](https://openairdocs.org/sdr/P5CA0501331.md): Door · missing · Mar 20, 2005 · N921FT · Boeing 747283B · Engine Thrust Reverser
  > ON POST FLIGHT NR 3 ENGINE REVERSER PANEL MISSING. ACCOMPLISHED INTERIM REPAIR PER SRM 51-00-04 AND SRM 51-40-16, ALSO GMM 3-17-1. TRANSFERRED TO C/O ITEM 921-179.
- [SDR P5CA0501324](https://openairdocs.org/sdr/P5CA0501324.md): Engine · malfunctioned · Feb 22, 2005 · N921FT · Boeing 747283B · Engine (Turbine/Turboprop)
  > CREW REPORTED NR 1 ENGINE WOULD NOT MAKE TAKEOFF EPR. INSPECTED NR 1 ENGINE PER MM 71-00-00, OPENED MEL 77-4-1 FOR EPR UNRELIABLE.
- [SDR P5CA0501308](https://openairdocs.org/sdr/P5CA0501308.md): Thrust Reverser · inoperative · Jan 21, 2005 · N921FT · Boeing 747283B · Engine Thrust Reverser
  > NR 4 ENGINE THRUST REVERSER WOULD NOT DEPLOY AFTER LANDING. NR 4 ENGINE THRUST REVERSER DEACTIVATED PER MEL 78-01-2A. REF MM 78-31-00.
- [SDR P5CA0401279](https://openairdocs.org/sdr/P5CA0401279.md): Indicator · no indication · Nov 17, 2004 · N921FT · Boeing 747283B · Engine Pressure Ratio (EPR)
  > NR 3 ENGINE HAS NO EPR INDICATION WHEN ACCELERATING. TRANSFERRED TO DMI 33386 PER MEL 77-04-1.
- [SDR P5CA0401266](https://openairdocs.org/sdr/P5CA0401266.md): Starter · malfunctioned · Oct 30, 2004 · N921FT · Boeing 747283B · Engine Starter
  > NR 1 ENGINE WOULD NOT TURN ON, PYLON VALVE & START VALVE INDICATES OPEN. REPLACED STARTER, OPS CHECK OK PER AMM 80-11-00.
- [SDR P5CA0401242](https://openairdocs.org/sdr/P5CA0401242.md): Flap · malfunctioned · Oct 4, 2004 · N921FT · Boeing 747283B · Leading Edge Slat Control System
  > NR 2 LEFT LEADING EDGE WOULD NOT COME UP PNEUMATICALLY, OK ELECTRICALLY. RECYCLED FLAPS PNEUMATICALLY, NO HELP. TRANSFERRED TO DMI 33203.
- [SDR P5CA0401191](https://openairdocs.org/sdr/P5CA0401191.md): Actuator · malfunctioned · Sep 9, 2004 · N921FT · Boeing 747283B · Power Lever
  > AFTER PUSHBACK, ON ENGINE START NR 1 ENGINE FUEL CONDITION ACTUATOR CIRCUIT BREAKER OPENED. REMOVED AND REPLACED NR 1 FUEL CONDITION ACTUATOR, ALL OPS NORMAL.
- [SDR P5CA0401192](https://openairdocs.org/sdr/P5CA0401192.md): Warning Light · illuminated · Sep 9, 2004 · N921FT · Boeing 747283B · Engine Thrust Reverser
  > NR 2 ENG THRUST REVERSER UNLOCK LIGHT ILLUMINATED ON FORWARD ANNUNCIATOR PANEL ON POWER UP FOR TAKEOFF. REPEATED THRUST REVERSER LIGHT ON FLIGHT ENGINEER PANEL. LOCKED OUT REVERSER PER AMM 78-00-00, OPENED MEL 78-12A.
- [SDR P5CA0401183](https://openairdocs.org/sdr/P5CA0401183.md): Seal · leaking · Aug 28, 2004 · N921FT · Boeing 747283B · Turbine Engine Oil System
  > DURING CRUISE, NR 1 ENG OIL QTY GRADUALLY DECREASED, OIL PRESSURE & TEMP NORMAL, CLOSELY MONITERED OIL QTY, WHEN ZERO OIL PRESSURE INDICATED, GAUGE FLUCTUATED & OIL PRESSURE LIGHT FLICKERED, SHUTDOWN ENGINE, ENGINE FAILURE / SHUTDOWN CHECKLIST ACCOMPLISHED. O
- [SDR P5CA0401182](https://openairdocs.org/sdr/P5CA0401182.md): Line · leaking · Aug 27, 2004 · N921FT · Boeing 747283B · Hydraulic System, Main
  > VIA PHONE PATCH, CREW REPORTS 0 PSI/0 QTY ON NR 1 HYDRAULIC SYSTEM. INSTALLED TEMP FLEX LINE PER MM 20-11-18 & GMM 3-17-1, PLACED ITEM ON COI 921-163. LINE IS LOCATED AFT OF STATION 23600 ON LT SIDE.
- [SDR P5CA0401178](https://openairdocs.org/sdr/P5CA0401178.md): Filter · damaged · Aug 24, 2004 · N920FT · Boeing 747249F · Aircraft Fuel Filter/Strainer
  > NR 2 ENGINE COMPRESSOR STALL. VISUAL INSPECTION, REMOVED AND REPLACED FUEL & OIL FILTER, ENGINE IDLE RUN ACCEPTABLE PER AMM 71-00-00.
- [SDR P5CA0401135](https://openairdocs.org/sdr/P5CA0401135.md): Clamp · damaged · Aug 8, 2004 · N921FT · Boeing 747283B · Pneumatic Distribution System
  > NR 3 ENGINE HIGH STAGE VALVE WILL NOT OPEN AT ALTITUDE WITH THRUST LEVER CLOSED. REPLACED CLAMP ON HIGH STAGE VALVE, OPERATIONAL CHECK & LEAK CHECK OK PER MM 36-11-00.
- [SDR P5CA0401134](https://openairdocs.org/sdr/P5CA0401134.md): Light · inoperative · Aug 4, 2004 · N921FT · Boeing 747283B · Instrument Panel
  > TAT, SAT, IB FLAPS AND P-10 PANEL LIGHTS OUT, ALSO BACKGROUND HSI, CLOCK AND AIR SPEED IND. TRANSFERED TO DMI NR 32904 IAW MEL 33-1.
- [SDR P5CA0401132](https://openairdocs.org/sdr/P5CA0401132.md): Structure · damaged · Jul 31, 2004 · N921FT · Boeing 747283B · Engine Thrust Reverser
  > NR 3 THRUST REVERSER DAMAGED. PERFORMED INTEAM REPAIR IAW SRM 54-07-00. THRUST REVERSER REPAIR PLACARD ON COI NR 162. TRANSFERED TO DMI NR 32887 T/R DEACTIVATED IAW MEL 78-1-2.
- [SDR P5CA0401124](https://openairdocs.org/sdr/P5CA0401124.md): Web · cracked · Jul 27, 2004 · N921FT · Boeing 747283B · Elevator Structure
  > WEB CRACK FOR CENTER WEIGHT, LT OB ELEVATORS OB ACTUATOR ELEV STA 256. REMOVED CRACKED WEB IAW SRM 51-30-02, FABRICATED WEB IAW SRM 55-20-02, INSTALLED WEB IAW SRM 51-30-02.
- [SDR P5CA0401128](https://openairdocs.org/sdr/P5CA0401128.md): Packing · leaking · Jul 26, 2004 · N921FT · Boeing 747283B · Turbine Engine Oil System
  > NR 4 ENGINE IN OIL QTY DROPPED FROM 10.5 GAL BEFORE START TO 8.5 GAL AT IDLE. ON APPROACH INDICATION WENT TO ZERO WITH PRESSURE FLUXUATION B/W 40 AND 25 PSI. REMOVED CSD FOR OIL LEAK, INSTALLED CSD WITH NEW O-RING, OPS CHECK OK, LEAK CHECK OK, OIL PRESSURE NO
- [SDR P5CA0401121](https://openairdocs.org/sdr/P5CA0401121.md): Keelbeam · corroded · Jul 12, 2004 · N921FT · Boeing 747283B · Fuselage Main, Keel
  > CORROSION ON KEELBEAM 2 PLACES, AT BS 1332 AND STA 1319 RT SIZE. REMOVED CORROSION AND FOUND OUT OF LIMITS. REPAIRED IAW MA NR A5349-01-02, WORK ACCOMPLISH ON T160-468.
- [SDR P5CA0401122](https://openairdocs.org/sdr/P5CA0401122.md): Seat Track · corroded · Jul 6, 2004 · N921FT · Boeing 747283B · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION UPPER DECK SEAT TRACK BS 540-580 RBL 46.65-WL 310. REMOVED AND REPLACED SEAT TRACK FROM BS 530-660, IAW SRM 53-10-05-53-30-08-53-30-02.
- [SDR P5CA0401175](https://openairdocs.org/sdr/P5CA0401175.md): Seat Track · cracked · Jun 29, 2004 · N921FT · Boeing 747283B · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK CORRODED & CRACKED B/W STA 580-560 LBL 62 UPPER DECK. REMOVED DAMAGE SECTION OF SEAT TRACK FROM STA 530-620 IAW SRM 51-30-08. NEW SECTION OF SEAT TRACK INSTALLED PER SRM 51-40-02, 51-11-25.
- [SDR P5CA0401176](https://openairdocs.org/sdr/P5CA0401176.md): Stiffener · corroded · Jun 29, 2004 · N921FT · Boeing 747283B · Elevator Miscellaneous Structure
  > STIFFENER CORRODED ON O/B SIDE ELEV, STA 406-5 LEFT HORIZONTAL STAB. REMOVED CORROSION FOUND OUT OF LIMIT PER SRM 55-20-01. REMOVED AND REPLACED STIFFENER AS PER SRM 51-30-02.
- [SDR P5CA0401127](https://openairdocs.org/sdr/P5CA0401127.md): Skin · delaminated · Jun 18, 2004 · N921FT · Boeing 747283B · Ailerons
  > LT IB AILERON DELAMINATED LOWER SIDE WBL500 2 PLACES. REPAIR 2EA DAMAGED AREA WITH FIBER GLASS IAW SRM 51-40-15, APPLIED CONDUCTIVELY COATING, PRIMED AND PAINTED.
- [SDR P5CA0401126](https://openairdocs.org/sdr/P5CA0401126.md): Skin · eroded · Jun 17, 2004 · N921FT · Boeing 747283B · Trailing Edge Flaps
  > LT WING IB FORE FLAP UPPER TRAILING EDGE WBL235 EROSION MIDDLE SECTION. REMOVED DAMAGE, APPLIED FIBERGLASS OVERLAY IAW SRM 51-40-15, APPLIED ANTISTATIC TO REPAIR IAW SRM 51-40-15, PAINTED IAW SRM 51-40-15.
- [SDR P5CA0401123](https://openairdocs.org/sdr/P5CA0401123.md): Keelbeam · corroded · Jun 15, 2004 · N921FT · Boeing 747283B · Fuselage Main, Keel
  > RT KEEL BEAM CORROSION FROM BS 1310 TO BS 1342. LT KEEL BEAM CORROSION FROM STA 1310 TO STA 1340. REPAIR IAW POLAR MA NR A5349-01-02.
- [SDR P5CA0401057](https://openairdocs.org/sdr/P5CA0401057.md): Warning Light · illuminated · Mar 11, 2004 · N921FT · Boeing 747283B · Engine Thrust Reverser
  > N4 T/R ARMED LIGHT ON DURING TAXI. OPENED MEL 78-06-A, CONFIRMED REVERSER STOWED.
- [SDR P5CA0401058](https://openairdocs.org/sdr/P5CA0401058.md): Transmitter · failed · Mar 11, 2004 · N921FT · Boeing 747283B · Engine Pressure Ratio (EPR)
  > NR 1 ENG WOULD NOT PRODUCE TAKEOFF THRUST OF 1.53 EPR. DROPPED TO 1.45 EPR AT FWD THROTTLE STOP. ABORTED T/O. REPLACED EPR TRANSMITTER PER MM 77-11-02. ENGINE GROUND OPS CHECK OK PER MM 71-00-11 TEST NR 9.
- [SDR P5CA0401053](https://openairdocs.org/sdr/P5CA0401053.md): Seal · broken · Mar 9, 2004 · N921FT · Boeing 747283B · Pneumatic Distribution System
  > LEFT WING L/E OVERHEAT LIGHT ON. REPLACED BROKEN SEALS ON L/E DUCT INBOARD OF NR 2 ENG AND BY THE NR 3 PDU OPS AND LEAK CHECK OK PER MM 36-11-01 AND 26-18-01.
- [SDR P5CA0401054](https://openairdocs.org/sdr/P5CA0401054.md): Fan Blade · broken · Mar 8, 2004 · N921FT · Boeing 747283B · Turbine Engine Compressor Section
  > NR 3 ENG HAS ONE FAN BLADE TIP BENT, A SECOND FAN BLADE TIP BLADE FOUND DAMAGED & BROKEN. TWO BLADES REPLACED.
- [SDR P5CA0401055](https://openairdocs.org/sdr/P5CA0401055.md): Intake · delaminated · Mar 8, 2004 · N921FT · Boeing 747283B · Engine Air Intake System
  > NR 2 ENG INBOARD OUTSIDE FAN COWL REQ UPGRAGE, INTERNAL 84 X 20 INCH AREA DELAMINATED BEYOND LOCAL REPAIR. REPLACED COWLING.
- [SDR P5CA0401040](https://openairdocs.org/sdr/P5CA0401040.md): Clamp · failed · Feb 17, 2004 · N921FT · Boeing 747283B · Air Intake Anti/De-Ice System
  > WHILE IN CLIMB FL 29-30 NR 2 ENG FIRE WARNING ON HANDLE AND BOTH FIRE LOOPS CAME ON. ENG SHUT DOWN AND A/C DIVERTED TO NRT. REMOVED AND REPLACED NOSE COWL ANTI-ICE CLAMP. LEAK CK OK IAW MM 30-21-00.
- [SDR P5CA0300962](https://openairdocs.org/sdr/P5CA0300962.md): Thrust Reverser · deployed · Oct 8, 2003 · N921FT · Boeing 747283B · Engine Thrust Reverser
  > NR 2 ENG THRUST REVERSER DEPLOYED ON T/O ROLL AT 80 KTS. NR 2 ENG T/R DEACTIVATED PER DDPG 78-1 AND MM 78-31-00. ACCOMPLISHED HIGH ENERGY STOP HEAT DAMAGE CONDITIONAL INSP PER MM 5-51-10.
- [SDR P5CA0300946](https://openairdocs.org/sdr/P5CA0300946.md): Skin · delaminated · Sep 20, 2003 · N921FT · Boeing 747283B · Engine Thrust Reverser
  > ON MX PREFLIGHT, ON NR 3 ENG INSIDE REVERSER AREA FOUND DELAMINATION. PERFORMED REPAIR WITHIN 10 CYC - COI 921-150 ISSUED.
- [SDR P5CA0300785](https://openairdocs.org/sdr/P5CA0300785.md): Tube · ruptured · Mar 31, 2003 · N921FT · Boeing 747283B · Engine Cooling System
  > NR 4 ENG 13TH STAGE TURBINE CASE COOLING DUCT RUPTURED AND BLEW THRU LT REVERSER HALF. REPLACED 13TH STAGE COOLING DUCT & LT REVERSER HALF.
- [SDR P5CA0200668](https://openairdocs.org/sdr/P5CA0200668.md): Switch · faulty · Mar 18, 2002 · N921FT · Boeing 747283B · Engine Oil Indicating System
  > OIL FILTER BYPASS LIGHT ON NR 3 ENGINE ILLUMINATED DURING CRUISE ON AIRWAY A450 EN ROUTE FROM GUM TO HNL AT 1715Z. NR 3 ENGINE SHUT DOWN IAW ABNORMAL PROCEDURE 6-15-10. LANDING WAS UNEVENTFUL. INSPECTION DETERMINED INTERNAL FAILURE IN PRESSURE SWITCH AS CAU
- [SDR P5CA0200662](https://openairdocs.org/sdr/P5CA0200662.md): Tailpipe · cracked · Mar 8, 2002 · N921FT · Boeing 747283B · Engine Collector/Tailpipe/Nozzle
  > FOUND NR 1 ENGINE TAIL PIPE INNER SLEEVE, CRACK APPROX 1 INCH LONG AT 6 O'CLOCK POSITION AND APPROX 18 INCHES FROM FWD CONE L/E. CRACK IS 6.5 INCH LONG FOUND ON OUTER SKIN OF EXHAUST CONE INNER BARREL.
- [SDR P5CA0000184](https://openairdocs.org/sdr/P5CA0000184.md): Flange · cracked · Apr 15, 2000 · N921FT · Boeing 747283B · Turbine Section
  > NR 4 ENG R FLANGE CRACK AT 7 O''CLOCK POSITION ON LIGHTENING HOLE. NR 2 ENG TURBINE COOLING CRACKED AT 10 O''CLOCK POSITON. REPAIRED PER MM 72-09-71, REP 8.
- [SDR P5CA0000185](https://openairdocs.org/sdr/P5CA0000185.md): Support Bracket · cracked · Apr 15, 2000 · N921FT · Boeing 747283B · Turbine Section
  > NR 3 ENG TURBINE CASE WALL COOLING DUCT SUPPORT BRACKET AT 2:30 & 7 O'CLOCK POS CRACK NR 4 ENG RT L DUCT LOWER DOOR LATCH PANEL HINGE LOOSE. REPLACED PER EM 72-09-71, REP 8, MM 72-50-00.
- [SDR P5CA0000186](https://openairdocs.org/sdr/P5CA0000186.md): Flange · cracked · Apr 15, 2000 · N921FT · Boeing 747283B · Turbine Section
  > NR 2 ENG R FLANGE CRACK AT 05:00 & 06:00 O''CLOCK POSITIONS. NR 2 ENG COOLING TURBINE CRACKED AT 10:00 O''CLOCK POSITION. REPAIRED PER EM 72-53-01 REP 24.
- [SDR P5CA9801574](https://openairdocs.org/sdr/P5CA9801574.md): R Rail · cracked · Oct 30, 1998 · N921FT · Boeing 747283B · Engine Thrust Reverser
  > #3 ENGINE R RAIL CRACKED LEFT SIDE AT 7 OCLOCK POSITION. WELDED, STRESS RELIEVED IAW PW MM 72-53-01.
- [SDR P5CA9801586](https://openairdocs.org/sdr/P5CA9801586.md): Rail · cracked · Oct 30, 1998 · N921FT · Boeing 747283B · Engine Thrust Reverser
  > NR 2 ENGINE R-RAIL CRACK FOUND AT 6 O'CLOCK POSITION. WELDED AND STRESS RELIEVED IAW PW MM 72-53-01.
- [SDR P5CA9701856](https://openairdocs.org/sdr/P5CA9701856.md): Vane Control · failed · Dec 28, 1997 · N921FT · Boeing 747238B · Compressor Bleed Control
  > NR 4 ENGINE HAD COMPRESSOR STALL AFTER THROTTLES RETARDED AT TOP OF DESCENT. EGT INCREASED TO 490 DEGREES. INFLIGHT SHUT DOWN ACCOMPLISHED. INFLIGHT START ATTEMPTED, LIGHT OFF EGT INCREASING, LOW N2, LOW FUEL FLOW AND EGT INCREASING TO 480 DEGREES. SHUT D
- [SDR UIEA9702](https://openairdocs.org/sdr/UIEA9702.md): Ps4 Line · broken · May 3, 1997 · N640FE · Boeing 747245F · Fuel Controlling System
  > CREW REPORTS, EXPERIENCED NR 3 ENGINE FAILURE AT FL 410. DESCENDED TO FL 350, ATTEMPTED UNSUCCESSFUL RESTART. DESCENDED FURTHER TO FL 310. ATTEMPTED TWO UNSUCCESSFUL RESTARTS. NO FUEL FLOW. CONTINUED FLIGHT TO LAX UNEVENTFULLY. LAX WAS SELECTED AS THE SA
- [SDR UIEA9610](https://openairdocs.org/sdr/UIEA9610.md): Ps4 Tube · broken · Aug 30, 1996 · N638FE · Boeing 747245F · Fuel Controlling System
  > EN ROUTE GRV-MEX - FLIGHT NR VG986 - NR 3 ENGINE FLAMEOUT FL 310. AIRCRAFT DIVERTED TO MAO DUMPED 40K FUEL. INSPECTION REVEALED A BROKEN PS4 TUBE TO THE FUEL CONTROL UNIT. FUEL FILTER SOME FOREIGN DEBRIS. REPLACE TUBE FILTER, OPS OK. (M)
- [SDR 95FDEA01888](https://openairdocs.org/sdr/95FDEA01888.md): Tt2 Sensor · failed · Dec 10, 1995 · N636FE · Boeing 747245F · Fuel Controlling System
  > IN-FLIGHT SHUTDOWN NR 2 ENGINE, ENGINE NOT RESPONDING TO THROTTLE MOVEMENT AT FL 370 IAS 250 (ATC REQ) NO TURB, ENG WAS RESTARTED AT FL 290, DESCENT AND APPROACH NORMAL. REMOVED AND REPLACED TT2 SENSOR AS PER MM 73-21-04, PG 401, RAN ENG, OPS CHECKS GOOD. EN
- [SDR 95FDEA01385](https://openairdocs.org/sdr/95FDEA01385.md): Engine · flamed-out · Sep 19, 1995 · N636FE · Boeing 747245F · Engine (Turbine/Turboprop)
  > WHILE AT FL 410 ENCOUNTED SEV TURB, ENG 2 WENT TO IDLE AND NR 3 FLAMED-OUT, COULD NOT MX ALT OR A/S DESC TO FL 280. ENG NR 2 CAME BACK AFTER 2 MIN AND NR 3 WAS RESTARTED. PER CREW BRIEF THIS WAS RELATED TO TURBULANCE. INSPECTED BOTH INLET AND EXHAUST, PER D
- [SDR 95FDEA01386](https://openairdocs.org/sdr/95FDEA01386.md): Compressor · stalled · Sep 18, 1995 · N638FE · Boeing 747245F · Turbine Engine Compressor Section
  > JFK-FRA - EN ROUTE AT FL 330 1408Z, NR 1 ENG EXPERIENCED A COMPRESSOR STALL. AFTER 2 MILD BUMPS, THE ENG PARA WOUND DOWN, NO OVERTEMP PRESENT. AFTER CHECKLIST PROCEDURE NORMAL FLT WAS ACCOMP. IN CRUISE AT FL 370, NR 1 ENG FLAMEOUT. AFTER PERFORMING CHECKLI

## 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 = 'JT9D70A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/pratt-whitney-jt9d-70a/reports

---
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