Pratt & Whitney PW4077
Service difficulty reports · 3,169
Newest first. General aviation reporting is voluntary.
Query with SQL
duckdb -csv -c "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 = 'PW4077' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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 = 'PW4077' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR UALA2010020100408Charger · faultyEICAS MESSAGES: MAIN BATTERY AND BATTERY CHARGER MAIN ELEC STANDBY DISPLAYED. ACCOMPLISHED TROUBLESHOOTING IAW MAINT MESSAGE. SWAPPED MAIN BAT CHARGER WITH APU BATTERY CHARGER, NO HELP. REPLACED MAIN BATTERY, ELEC STANDBY MESSAGE REMAINED. RESET IAW 24-09 TASDR UALA2010012900366Oxygen System · leakingCREW O2 FAULTY. THE CREW O2 WAS BELOW 1000PSI AT IAD SO IT WAS SERVICED TO 1625PSI. WE HAVE FLOWN A LITTLE OVER 6 HRS AND O2 SHOWS 1340PSI. IS THAT NORMAL OR SHOULD WE SUSPECT A LEAK. FOUND O2 LEAK AT BOTH IN-AND-OUT PORTS OF PX REGULATOR. REPLACED PACKINGSDR UALA2010012900379Generator · trippedELEC BACKUP GEN R RT BACKUP GENERATOR OFF DUE TO A PROTECTIVE TRIP. REPLACED RT BACKUP GENERATOR. OPS CHK NORMAL.SDR UALA2010020100381Lamp · inoperativeEMERGENCY EGRESS LIGHTS AT SEATS 3E AND 2F HAVE ONE EACH LIGHT OUT. RELAMPED, OPS CKD GOOD.SDR UALA2010012500311Starter · faultyENG START VALVE R RT STARTER AIR VALVE POSITION DISAGREES WITH COMMANDED POSITION OR STARTER AIR VALVE POSITION INDICATION IS LOST. REPLACED STARTER AND START VALVE IAW MM. OP CKS NORMAL.SDR UALA2010012200265Casting · brokenDOOR 2R WHEN DOOR IS OPENED ARMING LEVER GOES TO ARM. FOUND BROKEN CASTING. REMOVED CASTING. BROKEN CASTING ON SHELF ON MID GALLEY. CASTING AT LOWER FWD END OF THE NR 2R MAIN CABIN DOOR. BROKEN CASTING ON SHELF ON MID GALLEY. FOUND DOOR 2R ASSIST BOTTLE PRSDR UALA2010012100257Oven · malfunctionedBUSS GALLEY OVEN R31 CB R31 POPPED DID NOT RESET. REPLACED R31 OVEN. OPS GOOD .SDR UALA2010012000252Line · leakingEVIDENCE OF HYD LEAK NR 2 ENG AT HYD PRESS LINE CONNECTION TO LWR PYLON. NEED TO ACCOMPLISH CLEANING OF BURNT HYD RESIDUE ON DUCTING AND SURROUNDING AREA DUE TO HYD LINES LEAKING, LOCATED UNDER OB REV COWL, AT HYD LINE HOOKUP PYLON AREA. HYD LINES HAVE BEEN SDR UALA2010012000253Transmitter · faultyUNABLE TO DETERMINE FUEL QUANTITY LOSS OF OVER 4200 LBS-800NM. FUEL FLOW TXMTR CHANGED, NEEDS LEAK AND OPS CHECK ON NR 2 ENG. ACP LEAK CHECKED, NO LEAKS DETECTED. COMPLETED FIM 28-41 TASK 825 FQIS AND FMC CHECKED GOOD. REPLACED BOTH NR 1 FUEL FLOW TRANSMITSDR UALA2010012100256Extinguisher · missingFIRE EXTINGUISHER - MISSING DR-3L FWD LAV 131. REPLACED EXTINGUISHER.SDR UALA2010012000250Start Valve · faultyENG START VALVE R RT STARTER AIR VALVE POSITION DISAGREES WITH COMMANDED POSITION OR STARTER AIR VALVE POSITION INDICATION IS LOST. REPLACED START VALVE. REPLACED STARTER. MOTORED ENGINE. OPS NORMAL, NO MESSAGES.SDR UALA2010011800211Combust Chamber · damagedAPU LIMIT MSG DURING ENG START. DIS-CONNECTED APU THRU STEP NR 2.G. FOUND 2" HOLE ON SIDE OF COMBUSTION SECTION OF APU. LOWER LT SIDE. REPLACED APU, OPS CK AND LEAK CK GOOD.SDR UALA2010011500185Socket · burnedLAV RT SIDE ABEAM ROW 26 FLOURESCENT LIGHT BALLAST HOT ELECT ODOR DISCOLORED. BALLAST OK, LT LAMP HOLDER IS BURNED UP. REMOVED LAMP AND DISCONNECTED BALLAST. NEED PCN 585-1247 2EA. RT LAMP HOLDER RELEASE IS BROKEN ALSO. IF NO LAMP HOLDERS AVAIL, BASE ASSY PN SDR UALA2010011300160Light · unsecureSEAT 2E HAS EMERGENCY LIGHT HANGING. LIGHT FOUND UNSECURE. REPLACED LIGHT ASSY. OPS CHK NORMAL.SDR UALA2010011300158Valve · stuckLOSS OF POTABLE WATER PRESSURE, FLIGHT DIVERTED. FOUND PRESELECT OVERFLOW VALVE STUCK OPEN. POSITIONED VALVE IN CLOSED POSITION. WATER PRESSURE NORMAL. NEED TO MANUALLY CLOSE AT EACH DEPARTURE. OVERFLOW VALVE OPENS & CLOSES OK FROM REAR SERVICE PANEL. WHENSDR UALA2010011100107Cable · faultyFOUND SATCOM HIGH GAIN INOP. ORDERED HIGH POWER RELAY-K23001 AND CABLE BETWEEN HPA AND HIGH POWER RELAY. REPLACED CABLE.SDR UALA2010011200150Transducer · reads lowCREW OXYGEN SYSTEM-LOW. RECORD PRESSURE PRIOR TO SERVICING. CREW COMMENTS: INTERMITTENT O2 LOW INDICATION. EICAS AND STATUS MESSAGE. FOUND 1500 PSI ON BOTTLE, SERVICED BOTTLE TO 1900PSI NO LEAKS NOTED AROUND BOTTLE, SUSPECT INDICATION SEE HISTORY. ACCOMPASDR UALA2010010700096Shutoff Valve · leakingFUEL DRIPPING FROM UNDERSIDE OF LT WING ROOT. APU SHUT OFF VALVE (LOCATED LT WING ROOT AFT SPAR) HAS A SEVERE FUEL LEAK WHEN VALVE IS OPEN AND DC FUEL PUMP IS ENERGIZED. REPLACED APU FUEL VALVE AND SEALS. INSTALLED ACTUATOR AND SAFETIED.SDR UALA2010010700098Light · brokenEMERGENCY LIGHT ON AISLE SIDE OF SEAT 1E BROKEN DANGLING. NEED LIGHT ASSY. REPLACED LIGHT ASSY.SDR UALA2010010400047Connector · unsecureAFT EMERGENCY LIGHT AT SEAT 2F INOP. SECURED CONNECTOR, OPS CHECK NORMAL.SDR UALA2010010400053Connector · dirtyCREW OXYGEN PRESSURE LOW, FLT DIVERTED. INSTALLED NEW OXYGEN BLEED VALVE, NO HELP. REINSTALLED ORIGINAL BLEED VALVE. CONNECTER FOUND SOILED. CLEANED CONNECTOR, OPS CK OK. OXYGEN PRESSURE HOLDING 1740 PSI.SDR UALA2010010400040Fan · faultyF/A REPORTED ELECTRICAL ODOR IN CABIN. DURING FLT AFT CABIN ECONOMY PLUS REPORTED ELECTRICAL ODOR. CREW TURNED ALL 4 CABIN RECIRC FANS AND ODOR CLEARED. FOUND AFT UPPER RECIRC FAN POPS CB WHEN TURNED ON. VENTILATED AIRCRAFT. RAN REMAINING FANS, NO FURTHER SDR UALA2010010400054Connector · damagedPACK L OVERHEAT AT LT PACK OUTLET OR LT PACK COMPRESSOR OUTLET OR LT PACK FLOW CONTROL VALVES (FCV) ARE CLOSED DUE TO: FCVS FAILED CLOSED, FCVS LATCHED CLOSED BY CABIN TEMP CONTROLLER (CTC) BECAUSE OF FAULT, OVERHEAT, OR PACK CONTROL SWITCH COMMANDED OFF, OR NSDR UALA2009122303985Control Valve · malfunctionedPACK FCV L STATUS MSG. ON LT PACK TROUBLESHOOTING, BOTH PACK FCVS HAD DIFFERENT PROBLEM ON GROUND TEST. SWAPPING ONE BENEATH THE OTHER UPPER AND LOWER PACK FCV. NOW THE UPR FLOW CONTROL VALVE OPS & INDICATION NORMAL. TEST THROUGH CABIN CTLR PASSED. THE LOSDR UALA2009122403996Seal · leakingUPON ARRIVAL, FUEL WAS LEAKING FROM THE FWD SIDE OF PANEL 533BB (5TH PANEL OUT FROM WINGROOT) UNDER WING ACCESS PANEL. REPLACED SEAL AND MESH GASKET. LEAK ABATED.SDR UALA2009122203964Controller · faultyPASSENGER ADDRESS STATUS MESSAGE ON EICAS. REPLACED PASSENGER ADDRESS CONTROLLER AND CABIN SYS MANAGEMENT UNIT, RESET ACFT. OP CHKS NORMAL.SDR UALA2009122203966Light · faultyEMERGENCY LIGHT AT SEAT 9D LENSE COVER. REPLACED LIGHT ASSY. LIGHT OP CHKS OK.SDR UALA2009122203967Light · inoperativeEMERGENCY LIGHT AT SEAT 41D IS OUT. REPLACED LIGHT ASSY. LIGHT OP CHKS OK.SDR UALA2009122203968Light · inoperativeEMERGENCY LIGHT AT SEAT 33G IS OUT. REPLACED LIGHT ASSY. LIGHT OP CHECKS OK.SDR UALA2009122203969Light · missingSEAT 2E EMERGENCY LIGHT MISSING. REPLACED LIGHT ASSY. OPS CHECKS GOOD.SDR UALA2009122203970Lamp · inoperativeEXTERIOR EMERGENCY LIGHT AT DR 2 LT IS OUT. RELAMPED. OPS CHECKS GOOD.SDR UALA2009122303984Antenna · damagedUPON ARRIVAL FOUND RT VHF ANTENNA DAMAGE. ANTENNA FOUND DAMAGED. REPLACED RT VHF ANTENNA. OP CHKS GOOD.SDR UALA2009122203975Valve · faultedRT WING ANTI-ICE (WAI) VALVE FAILURE. FOUND WAI VALVE AT FAULT. REPLACED VALVE AND OPS CHECKS OK.SDR UALA2009122103943Line · brokenMANIFOLD AY-SENSING PT4.95 LINE BROKEN AT 6 O'CLOCK POSITION. REPLACED SENSE LINE. ACP'D ENGINE RUN AND TEST AS REQUIRED. ALL INDICATIONS NORMAL.SDR UALA2009122103932Module · faultySTDBY ALTIMETER AND STDBY AIRSPEED PROBLEM. A-S INDICATOR BLANKS OUT IN BOTH POSITIONS A-S POSITION AND ALSO IN ALTITUDE POSITION. BAD A-S INDICATOR. FLUSHED CENTER STATIC STBY. ACP WIRING CHECKS AND RINGOUTS. ACP LEFT PSA REPLACEMENT FOR STBY ATTITUDE FLUCTUSDR UALA2009121603900Line · leakingCTR HYD SYS FAILED AFTER LOWERING GEAR. PRESSURE LESS THAN 1200 PSI. RESERVOIR (CENTER) FLUID QUANTITY IS LOW. FOUND NOSE GEAR STEERING HYD HOSE RUPTURED. RPL HOSE. REPLENISHED CTR HYD SYSTEM. LEAK CHK SATISFACTORY. A-C RELEASED FOR SERVICE.SDR UALA2009121403855Latch · damagedAFT LAV SVC PANEL LH AFT LATCH DAMAGED. REPLACED DAMAGED LATCH ON LAV SERVICE PANEL.SDR UALA2009121503882Acm · faultyON APPROACH, STATUS MSG PACK ACM R. CONFIRMED ACM FAILURE. NEEDS ACM. REPLACED SEIZED ACM, OPS CHECK GOOD. ALSO FOUND LOW LIMIT VALVE BUTTERFLY DISK NOT CLOSING. REPLACED IAW MM, NO HELP. ALSO CHECKED RAM AIR INLET FOR BLOCKAGE IT WAS CLEAN. REPLACED ECONOMSDR UALA2009120803800Eec · malfunctionedRIGHT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYSTEM IS OPERATING WITH REDUCED REDUNDANCY. REPLACED NR 2 EEC. RAN ENGINE, CK'D NORMAL. NO MESSAGES.SDR UALA2009120803799Relay · malfunctionedON SHUTDOWN HAD ENG FUEL VALVE RT EICAS MSG. ENG SHUTDOWN BUT VALVE INDICATES NOT. HAS HISTORY. REPLACED RT ENG RELAY UNIT (ERU). OPERATIONAL CK ON ENGINE RUN & ENG SHUT DOWN -- NO EICAS MSG'S & FUEL VLVS SHOW NORMAL OPEN-CLOSE POS ON FUEL PAGE SYNOPTICS.SDR UALA2009120703787Actuator · seizedAPU INOP, MGS DISPLAY APU DOOR, MAINT. MSG 49-14120. STARTED REMOVING APU INLET DOOR ACTUATOR AND FOUND ACTUATOR SEIZED, UNABLE TO EXTEND ACTUATOR MANUALLY TO ACCESS ROD END BOLT. NEED TO TORQUE BASE ASSY FASTENERS. REPLACED APU INLET DOOR ACTUATOR.SDR UALA2009120303733Idg · malfunctionedELEC GEN SYS L IDG HAS DISCONNECTED OR A PROTECTIVE TRIP OF THE GENERATOR CONTROL BREAKER HAS OCCURRED OR A PROTECTIVE TRIP OF THE BTB HAS OCCURRED. STATUS MSG01- LATCHED CRUISE MODE DEPENDENT. IDG (L) OUTPUT CURRENT DOES NOT AGREE WITH P100 INPUT CURRENT. SDR UALA2009120403751Engine · making metalEXCESSIVE METAL PARTICLES FOUND ON NR 1 ENG MASTER CHIP DETECTOR AND MAIN GEARBOX CHIP DETECTOR. NR 1 ENG NO ROTATION. DUE TO REPORT OF ENGINE NOT CRANKING AT START ALONG WITH PMA-N2 MSG AS REPORTED BY SFOEP, MX FOUND EXCESSIVE METAL PARTICLES ON NR1 ENG MASSDR UALA2009120203723Light · inoperativeSEAT 8D HAS EMERGENCY EXIT LIGHT INOPERATIVE. RELAMPED BULB, OP CHECKS GOOD.SDR UALA2009120203724Light · inoperativeSEAT 19G HAS EMERGENCY LIGHT OUT. REPLACED LIGHT ASSY, OP CHECKS GOOD.SDR UALA2009120203725Light · inoperativeSEAT 35G HAS EMERGENCY EXIT LIGHT OUT. RELAMPED BULB, OP CHECKS GOOD.SDR UALA2009120403752Wire · groundedFLIGHT CONTROL SYS ANY CONDITION OF THE FLIGHT CONTROL SYSTEM OR IT'S SYSTEM INTERFACES WHICH WOULD PREVENT DISPATCH. FLIGHT CONTROLS SYSTEM BELOW MINIMUM DISPATCH REQUIREMENTS. FOUND W7754-3001B-20 GROUNDED TO SHIELDING REPAIRED SAME, OPS CHECKED GOOD.SDR UALA2009113003698Skin · damagedSTA 739 TO 755.5. FUSELAGE SKIN AND STRINGER 41R DAMAGED. ACP DVI AND HFEC ON FRAME, SKIN, STR AND SURROUNDING STRUCTURES, NO OTHER DEFECTS NOTED.SDR UALA2009113003699Skin · damagedSTA 772 TO 788.5, FUSE SKIN AND STR 41R DAMAGED. SUPPLEMENTAL DATA UPDATE MAJOR REPAIR ACCOMPLISHED: ACP DVI AND HFEC INSP ON SKIN, FRAME,STR AND SURROUNDING STRUCTURES, NO OTHER DEFECTS NOTED. REPAIRED SKIN AREA AND STRINGER.SDR UALA2009113003696Skin · damagedFOUND EVIDENCE OF SCRATCH AT STA. 676 AT W L 200.44 LT SIDE OF AC APPROX. 36IN. ABOVE CTR PITOT STATIC PORT. DAMAGE MEASURES 3.125 X 5.5 WITH A DEPTH OF .091. W OVER Y OK FOR DENT. SKIN THICKNESS AFTER GOUGE BLEND .058. METAL REMOVAL EXCEEDS 15 PERCENT OF .08
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