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 UALA2010110204066Pressure Switch · faultyFUEL PUMP CENTER L LEFT CENTER (OVERRIDE) FUEL PUMP SWITCHED ON AND PUMP OUTPUT PRESSURE LOW. ADVISORY MSG-2811015 INACTV ER MODE. REPLACED CENTER LTH OVHRD JETTISON PUMP PRESS SWITCH. REMOVED PUMP AND CHECKED FOR PUMP DEBRIS, NONE FOUND. REQUIRES OP CHECK. NOSDR UALA2010110104045Terminal Block · corrodedFOUND GROUND BLOCK GB21351-AC COMING APART AND CORRODED. PART IS LOCATED BY SEAT 22 AB. STA 1357 REF WIRING DIAGRAM. PSU'S OPEN FOR ACCESS. CLEANED & TREATED MINOR SURFACE CORROSION UNDER GROUND BLOCK. NEW GROUND BLOCK RIVETED IN PLACE. NEEDS WIRES HOOKED UP ASDR UALA2010102803988Connector · dirtyUNABLE TO SHUT-DWN NR 2 ENG. USING NORMAL PROCEDURE FF WENT DOWN TO ABOUT 1500, AND CONTINUED TO RUN. USED FIRE HANDLE TO SHUT-DWN ENG. WITH CREW ASSIST, AMT WAS ABLE TO DUPLICATE PROBLEM. ASSOCIATED MSG 73-60212 FMU SOV WAS PRESENT. REMOVED CONNECTOR D17074 SDR UALA2010102904021Converter · faultedSTATUS MSG ELEC BACKUP SYS DISPLAYED IN FLT. FOUND MX MESSAGE 24-48801, OCCURRED AT ENGINE START AND IN CRUISE. REPLACED BACKUP GENERATOR CONVERTER.SDR UALA2010102904020Connector · shortedELECTRICAL PROBLEMS IN CABIN. FOUND OEU ZONE 1 TXFR BUSS CIRCUIT BREAKER POPPED ON P110 PANEL. TRIED TO RESET- HEARD LOUD BUZZ & SAW FLASH COME FROM L1 DOOR OVERHEAD PANEL. LOWERED PANEL. FOUND CHARRED WIRE BUNDLE. DISCONNECTED ALL CONNECTORS GOING TO L1 DOOR SDR UALA2010102503937Controller · faultyAPU CONT STATUS MESSAGE. REPLACED APU CONTROLLER, TESTS OKAY. MESSAGE CLEARED.SDR UALA2010102503938Idg · faultyCREW REPORTS EICAS MAINT PAGE SHOWING LEFT IDG FILTER AS "BLOCKED". AHM PROGRAM SNAPSHOT SHOWS IDG IS OPERATING NORMAL, AC-V 115, FREQ 400, LOAD .36. DISCONNECTED LT IDG. MAINT REPORTED THE DPI INDICATOR WAS EXTENDED, REPLACED NR 1 IDG PER MM. FILTER CHECK HADSDR UALA2010102503936Engine · faultyAPU AUTO SHUTDOWN ON START. UNABLE TO GET APU BACK ON LINE. REPLACED APU. OPS GOOD.SDR UALA2010102503945Insulation · saturatedINSULATION BLANKETS IN BELLY AFT PIT FAILED INSPECTION. REPLACED WET INSULATION BLANKETS AS REQUIRED.SDR UALA2010102203917Lamp · inoperativeEMERGENCY LIGHT AT SEAT 12F AFT IS OUT. RELAMPED EMERGENCY LIGHT AT SEAT 12F. CHECKS OK.SDR UALA2010102203916Light · inoperativeEMERGENCY LIGHT AT MID GALLEY FLOOR LEVEL RT FRONT IS OUT. REPLACED EMERGENCY LIGHT MID GALLEY FLOOR LEVEL RT FRONT. CHECKS OK.SDR UALA2010102103891Light · unsecureEXIT ROW LIGHTING AT 1F, IS FALLING OFF. RESECURED EMERGENCY EXIT LIGHT AT SEAT 1F. OK FOR SERVICE.SDR UALA2010102103892Oil Cooler · leakingNR1 ENG OIL LOSS. ACP OIL SERVICE FOR NR1 ENG BETWEEN 0.5 AND 1.5 HOUR AFTER ENGINE SHUTDOWN (ON ARRIVAL). ONCE AMOUNT OF OIL ADDED IS DETERMINED NEED TO ACCOMPLISH OIL SVC ASAP. SERVICED NR1 ENG OIL. 15 QUARTS ADDED. REPLACED NR 1 ENG NR 4 BEARING COMPARTMENSDR UALA2010102203909Heater · failedHEAT PITOT L LOSS OF LEFT PITOT HEAT. STATUS MSG-3036121 INACTV CL MODE. SUPPLEMENTAL DATA UPDATE DEFERED FOR TIME AND TROUBLESHOOTING. STATUS AND ADVISORY MESSAGE COMES ON DURING INITIAL CLIMB AND THEN EXTINGUISH. CLEAR MESSAGE, BUT ITEM DEFERRED BECAUSE OF HSDR UALA2010102103890Oven · smokeWARMING OVEN - SMOKING. DIRTY. CLEANED OVEN R32. OK FOR SERVICE.SDR UALA2010102003886Light · unsecureSEAT 1E EMERGENCY LIGHT HANGING FROM SEAT. RESECURED EMERGENCY LED LIGHT ON SEAT 1E. OK FOR SERVICE.SDR UALA2010102003885Shutoff Valve · faultyTRIM AIR PRSOV LEFT TRIM AIR PRESSURE RELIEF SHUT OFF VALVE (PRSOV) FAILED. STATUS MSG-2124201 INACTV TA MODE. REPLACED LT TRIM AIR PRESSURE RELIEF VALVE, OPS CHECKED GOOD.SDR UALA2010102003880Cover · crackedEMERGENCY LIGHT COVER AT 3F, 5E AND 5F CRACKED. REPLACED EMERGENCY LIGHT COVERS,SDR UALA2010101803854Valve · inoperativeBLEED FAMV RT STATUS MESSAGE RT ENGINE FAMV INOPERATIVE, LOCKED OPEN. REPLACED FAN AIR VALVE, RAN ENGINE AND OPS CHECKS GOOD.SDR UALA2010101803853Light · dislodgedSEAT 3F FWD EMERGENCY LIGHT FELL OUT OF SIDE PANEL. SECURED EMERGENCY LIGHT TO SIDE PANEL.SDR UALA2010101903861Relay · faultySTBY ELEC SYS STATUS MESSAGE WITH MAINT MESSAGE 24-13038. WHILE TROUBLESHOOTING PROBLEM, FOUND THAT MESSAGE WOULD GO AWAY AFTER RELAY K24016 TAPPED ON. MESSAGE REAPPEARS AFTER ACCOMPLISHING STANDBY POWER TEST. REPLACED RELAY K24016, OPS CKS OK.SDR UALA2010101303807Check Valve · wornRT PACK, CHECK BYPASS FAN VALVE HINGE POINTS WORN. REPLACED CHECK VALVE.SDR UALA2010101203796Control Valve · faultyUPPER TORQUE MOTOR NOT IN THE COMMANDED POSITION. THIS FAILURE WILL LEAD TO SERVICE DISRUPTIONS IF LT UNCORRECTED. CHECKING ASSOCIATED WIRE AND CONNECTOR FOR DEFECTS. NONE NOTED. REPLACED THE RT PACK UPPER FCV, V21512. REPLACED UPPER FLOW CONTROL AND SHUTOSDR UALA2010101303805Access Panel · damagedLEFT PACK RAM AIR PLENUM LOWER ACCESS PANEL FASTENER PULLED THRU. REMOVED PLENUM LOWER ACCESS PANEL. INSTALLED FIBERGLASS REPAIR TO DAMAGED AREA. INSTALLED LOWER ACCESS PANELSDR UALA2010101303806Heat Exchanger · crackedRIGHT PACK HEAT EXCHANGER HAS 2 CRACKS ON UPPER AND LOWER SURFACES APPROX 5 INCHES IN LENGTH EACH. LH HEAT EXCHANGER HAS A 19 INCH CRACK AT THE 6:00 O' CLOCK POSITION. SUPPLEMENTAL DATA UPDATE REMOVED & REPLACED RH & LH PACK HEAT EXCHANGERS. ACP'D RH & LH PACKSDR UALA2010101303804Plenum · crackedRT PACK RAM AIR INLET PLENUM LOWER ACCESS PANEL BLOWN APART, WITH VARIOUS CRACKS IN PLENUM. REMOVED RT PACK PLENUM. BEGAN REPAIRS. REPAIRED PANEL HOLES AND CRACKS IN PLENUM.SDR UALA2010101203794Battery · faultyREPEAT MAIN BATTERY CHARGER ONLY DISCHARGE. REPLACED MAIN BATTERY AND MAIN BATTERY CHARGER.SDR UALA2010101203793Relay · faultyENG FUEL VALVE R RT HIGH PRESSURE (HP) FUEL SHUTOFF VALVE POSITION DISAGREES WITH COMMANDED POSITION. STATUS MSG01- ACTIVE ENGINE SHUTDOWN MODE DEPENDENT; FUEL METERING UNIT (FMU) (R ENG) FUEL SHUTOFF VALVE (SOV) IS NOT IN COMMANDED POSITION. DB- ELECTRONICSDR UALA2010101103761Fmu · faultyRIGHT ENG WILL NOT SHUTDOWN SPAR VALVE CLOSED ENG VALVE STAYED OPEN WITH AMBER X INDICATION ON SYNOPTIC PG. ALSO RT ENG FUEL VALVE STATUS MESSAGE PRESENT. REPLACED FMU. OPS AND LEAK CHECKS GOOD.SDR UALA2010101103764Transducer · faulty'FLT CTL SYS' STATUS MESSAGES WITH NO CORRELATED MESSAGES. REPLACED ACMP TRANSDUCER, OP'S & LEAK CK GOOD. FOUND FAULT CODE 270-071-00 CORRELATED TO MAINT MSG 23-43140. RERACKED HYDIM-L A-17 CARD IN P85 PANEL AND CYCLED HYD PUMPS, MESSAGE EXTINGUISHED.SDR UALA2010101103760Fseu · faultyFLAPS PRIMARY FAIL EICAS WHEN FLAP HANDLE EXTENDED FROM UP TO 5. REPLACED FSEU NR 2 PER AMM. FLAP OPS CHECKS OKAY.SDR UALA2010100703719Tab · crackedRUDDER TAB SKIN IS CRACKED ON THE LEADING EDGE LH SIDE APPROXIMATELY THREE INCHES FROM TOP. REMOVED RUDDER TAB. RUDDER PCU LOCK IS INSTALLED, RUDDER PCU CIRCUIT BREAKERS ON POWER SUPPLIES PULLED AND TAIL HYD POWER SWITCHES ARE IN SHUTOFF. REMOVED PANELS, HARSDR UALA2010100503690Light · brokenEMERGENCY LIGHT BROKEN AT CENTER PARTITION IN FWD AISLE ZONE. REPLACED AND OPS CHECKED LIGHT IAW MM.SDR UALA2010100503691Light · brokenEMERGENCY LIGHT BROKEN AT CENTER PARTITION IN 'B' ZONE. REPLACED AND OPS CHECKED LIGHT IAW MM.SDR UALA2010100403679Power Supply · failedDOOR 3L EMERGENCY BATTERY M33400 FAILED TEST. REPLACED POWER SUPPLY ASSY IAW MM. OPS CK GOOD.SDR UALA2010100403680Power Supply · failedDOOR 1R EMERGENCY BATTERY M33094 FAILED TEST. REPLACED POWER SUPPLY ASSY IAW MM. OPS CK GOOD.SDR UALA2010100403681Power Supply · failedDOOR 1L EMERGENCY BATTERY M33424 FAILED TEST. REPLACED POWER SUPPLY ASSY IAW MM. OP CK GOOD.SDR UALA2010100403682Power Supply · failedDOOR 2L EMERGENCY BATTERY M33096 FAILED TEST. REPLACED POWER SUPPLY ASSY IAW MM. OP CK GOOD.SDR UALA2010100403683Power Supply · failedDOOR 2L EMERGENCY BATTERY M33099 FAILED TEST. REPLACED POWER SUPPLY ASSY IAW MM, OP CK GOOD.SDR UALA2010100403662Sensor · faultySEVERAL MINUTES AFTER INITIAL EXT POWER APPLICATION, EQUIPMENT COOLING WARNING HORN SOUNDS AND EICAS STATUS MESSAGE FOR LT EQUIPMENT COOLING FAN DISPLAYED. TRIED RESET, NO HELP. MAINTENANCE MESSAGE 21-14021. REPLACED EQUIPMENT COOLING FAN (LT), AND FILTER. NSDR UALA2010100403663Wire Harness · faultyENG EEC C1 R RT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYS IS OPERATING WITH REDUCED REDUNDANCY. T3 THERMOCOUPLE SIGNAL IS STILL FAULTING AFTER T3 TC WAS REPLACED ON 14SEP, NO HELP. REPLACED HARNESS. ALSO REPLACED T3 SENSOR ASSDR UALA2010100403643Check Valve · faultyFUEL IMBALANCE MSG 55 MIN AFT TAKEOFF RT MAIN TANK INCREASING 100 LBS EVERY 5 MIN WITH CTR TANK PUMPS ON. LT MAIN QUANTITY NORMAL AND STEADY. WITH RT CTR TANK PUMP OFF RT WING QTY STOPS INCREASING & IMBALANCE STOPS. REPLACED RT FWD AND RT AFT BOOST PUMP DISCSDR UALA2010100403651Bolt · brokenNR 1 ENGINE NR 8 AND NR 9 FUEL INJECTOR BOLTS BROKE OFF. WORKED ON REMOVING BOLTS. WITH SHOP SUPPORT, UNABLE TO REMOVE BOLTS. WILL NEED FURTHER SHOP REPAIR. ENG NEEDS REMOVAL FOR SHOP SUPPORT. REPLACED ENGINE PER TOD.SDR UALA2010100403644Wire · shortedBLEED LOOP 2 STRUT L DETECTOR FAULT. FOUND INTERMITTENT SHORT TO GROUND ON WIRE W4519-2009R-20 AT LWR FWD INBD CORNER OF P105 PANEL. REPAIRED INSULATION IAW SWPM, REPOSITIONED AND SECURED HARNESS. ALSO FOUND LOW RESISTANCE TO GRD ON CONNECTOR DM26104A. NEEDS SDR UALA2010093003623Retainer · damagedFWD CARGO DOOR AFT LOWER EDGE SUSTAINED DAMAGE. FOUND ON ARRIVAL. DOOR SEAL RETAINER DAMAGED ON CORNER EDGE. REPAIRED DOOR DAMAGE TO 1-1 6 INCH GAP FROM FLUSH. NO OTHER DAMAGE NOTED.SDR UALA2010092903591Fairing · damagedRT WING TO BODY LOWER FAIRING 196FR IS DAMAGED AND 60% OF PANEL MISSING. INSTALLED NEW PNL AT POS 196FR. PANEL SECURED IN PLACE, ALL CHECKS OKAY.SDR UALA2010092903609Guide Vane · crackedENG FAILED DUE TO NGV WITH BURN THROUGH IN THE OUTER PLATFORM RADIUS. HPT STG 1 NGV AFT OF THE IGNITORS. NGV HAS 2 EA CRACKS INTO THE PLATFORM RADIUS WITH BURN THROUGH IN THE RADIUS OF THE AFT CRACK. THERE IS A INTERSECTING CRACK (AXIALY) WITH BURN THROUGH. SDR UALA2010092803579Connector · disconnected1L PAX ENTRY DOOR EPAS BATTERY FAILS CHECK. CHECKED CIRCUIT IAW WDM. RECONNECTED PLUG DM52105. OPS CHECK OK.SDR UALA2010092703571Controller · faulty"OPIC RA1" STATUS MSG ON EICAS. REPLACED RT OPBC, NO HELP. SWAPPED IN NEW OPIC CARD IN RA1 POSITION, NO HELP, RA2 POSITION, NO HELP. REINSTALLED ORIGINALS. SUSPECT RT OPIC CHASSIS M23217. REPLACED R OPCF M23217 IAW MM, NO HELP. TRIED KNOWN GOOD ENG ANTI ICSDR UALA2010092103507Lamp · inoperativeEMERGENCY CEILING LIGHT IS OUT. SECOND LIGHT FROM AFT CABIN IN COACH RT SIDE. REPLACED M33208, M33209 AND RELAMPED, CHECKED OKAY.
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