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 UALA2012110506303Drive Assy · faultyWEATHER RADAR SYS DISPLAY IS NOT PRESENT WHEN SELECTED ON EFIS CONTROL PANEL. FAILED AMM TEST FOR ANTENNA FAULT. REPLACED ANTENNA DRIVE UNIT. OPS OK.SDR UALA2012110506332Data Unit · failedCREW REPORTED SATCOM DIRECTORY MISSING NUMBERS, AND IS BLANK. REPLACED SATCOM DATA UNIT PER MM AND OPS NORMAL.SDR UALA2012110506334Actuator · faultyTURB CASE COOL HPT R RIGHT ENGINE HIGH PRESSURE TURBINE (HPT) CASE COOLING ACTUATOR IS STUCK OR REVERTED TO ITS FAIL-SAFE POSITION. 2 ENG 777035 REPLACE TCC ACTUATOR. TURBINE CASE CLG AIR VLV ACTR (R ENG) HPT POSITION FEEDBACK IS OUT OF RANGE'. TCC OPERATESSDR UALA2012103006241Motor · faultyPACK L1 OVERHEAT AT LEFT PACK OUTLET OR LEFT PACK COMPRESSOR OUTLET OR 2) LEFT 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 COMMANDEDSDR UALA2012102906229Bypass Valve · faultyPACK L, OVERHEAT AT LEFT PACK OUTLET OR LEFT PACK COMPRESSOR OUTLET OR LEFT 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 OFSDR UALA2012102906218Control Panel · faultyMODE CONTROL PANEL LANE STS MESSAGE. REPLACED MCP PER MM, ACFT RETURNED TO FULL AUTOLAND STATUS.SDR UALA2012102906231Control Valve · faultyAPU BLEED AIR STATUS MSG. APU BLEED AIR INOP, APU AIR SWITCH POSITIONED OFF, PLACARDS APPLIED, FWD TO DF MCC INFORMED. -RDF-T :REPLACED APU CONTROLLER PER AMM, NO HELP. INF- :MR49622-37 OFF.MR49622-32 ON. REPLACED SURGE CONTROL VALVE OPS CK'D NORMAL.SDR UALA2012102606155Start Valve · faultyENGINE START VALVE L LEFT STARTER AIR VALVE POSITION DISAGREES WITH COMMANDED POSITION OR STARTER AIR VALVE POSITION INDICATION IS LOST. STATUS MSG01- NOT ACTIVE ENGINE SHUTDOWN MODE DEPENDENT; STARTER AIR VALVE (SAV) (L ENG) IS NOT IN COMMANDED POSITION. DSDR UALA2012102506122Unknown · malfunctionedFUEL PUMP CENTER R RIGHT CENTER (OVERRIDE) FUEL PUMP SWITCHED ON AND PUMP OUTPUT PRESSURE LOW. STATUS CREW COMMENTS: FUEL PUMP CENTER R STATUS MSG. DEFERRED RT CTR FUEL PUMP PER MEL. RESET CB TO PUMP AND ACP TEST REF MM. PUMP OPERATED NORMAL AND ALL MSG'S CSDR UALA2012102606154Packing · leakingRIGHT MLG BYPASS SELECTOR VALVE MODULE DRIPPING HYD FLUID. REPLACED PACKING ON HYD LINE FITTING. LEAK CHECK GOOD.SDR UALA2012102306079Wire · disconnectedEMERGENCY EXIT LIGHT IS INOP AT SEAT 31G. FOUND WIRE DISCONNECTED. RECONNECTED WIRE, OPS CHECKED GOOD. EMERGENCY LIGHTS OPS CHECK GOOD.SDR UALA2012102306080Light · inoperativeEMERGENCY EXIT LIGHTS ARE INOP AT SEAT 3F. REPLACED LIGHT STRIPS AT SEAT 3F, OPS CHECKED GOOD. EMERGENCY LIGHTS TEST GOOD, REF 09-10-05.SDR UALA2012102506128O-Ring · leakingRIGHT BRAKE SHUTTLE VALVE LEAKING. REPLACED O-RING MOST FORWARD LOWER UNION :RIGHT ANTI-SKID SHUTTLE VALVE. OPERATED SYSTEM, NO LEAK.SDR UALA2012102206038Header · crackedRIGHT PACK RAM AIR OUTLET HEADER HAS CRACKS 2.5" LONG AND 2" LONG, ALONG THE HEADER WELDS. REMOVED RIGHT PACK HEAT EXCHANGER. REPLACED DUEL HEAT EXCHANGER.SDR UALA2012102306078Processor · faultyFUEL QTY CHANNEL MESSAGE. RESEATED FUEL QUANTITY PROCESSOR, OPS CHECKED.SDR UALA2012102206042Line · looseCREW REPORTS MOTOR NOISE AND VIBRATION IN DOOR 4 FLOOR AREA. ATTEMPTED TO ISOLATE WITH PACKS, GASPER, CHILLERS, EQUIP COOLING, ETC. NO HELP. RETURNED TO GATE. WATER COMPRESSOR NOISE OBSERVED AT GATE. NOISE GONE AFTER DEACTIVATION. CB G12 P320 PANEL PULLESDR UALA2012101905992Connector · dirtyENGINE REVERSER L LEFT ENGINE THRUST REVERSER CONTROL SYSTEM FAULT AND AIRPLANE ON GROUND. REVERSER IS INOP IN FWD THRUST POSITION. REVERSER DIRECTIONAL CONT VALVE P/N 312W3130-1 IPC78-34-01-002 REF MSG 78-00011 AND FIM 7 8-34 TASKS 805-806. PER FIM 78-34 TSDR UALA2012101705926A/C Pack · inoperativeRIGHT AIR CONDITIONING PACK INOPERATIVE. RIGHT RAN AIR INLET DOOR DEACTIVATED IN CLOSED POSITION.SDR UALA2012101705925Bolt · brokenON CLIMBOUT NOTICEABLE VIBRATION RIGHT SIDE BETWEEN ROWS 8-10. PER CREW VIBRATION GOES AWAY WHEN THE RIGHT PACK IS SHUT OFF. ACPD 777 MT 05-UA1, FOUND RIGHT RAN AIR DUCT CONNECTION WITH SECONDARY HEAT EXCHANGER BROKEN BOLTS (8M IN A ROW) CAUSING VIBRATION. SDR UALA2012101705927Relay · faultyELEC STANDBY SYSTEM STATUS MESSAGE. MAT SHOWS MAINTENANCE MSG 24-13037 (RELAY DC TIE IN P210 NOT IN COMMANDED POSITION). ACPD FIM 24-32 TASK 802 CHECKED 28 VDC AT PIN 2 ON CB K9 P310, OKAY. RESET CB C24666 AT P210 REF WDM 24-32-11, MSG CLEARED, HOWEVER, MSGSDR UALA2012101505868Check Valve · out of toleranceREF CH4107 NR 2 ENGINE LEFT IP CHECK VALVE FLAPPER END PLAY OUT OF LIMITS. REPLACED NR 2 ENGINE LEFT IP CHECK VALVE PER MM.SDR UALA2012101505879Converter · faultyBACKUP GENERATOR STATUS MESSAGE ELECTRIC BACKUP SYSTEM. NO PFC MESSAGE DISPLAYED. REPLACED BACKUP GENERATOR CONVERTER. OPS CHECK GOOD PER AMM. ACCOMPLISHED ENG RUN OF BOTH ENGINES ALL CHECKS OK, NO FAULTS DISPLAYED. CONVERTER IS BORROWED PART. REPLACED PSDR UALA2012101505881Oxygen Mask · unknownTHE 3L PORTABLE O2 MASK NEEDS TO BE REPLACED. REPLACED MASK.SDR UALA2012101005759Pump · leakingNR 1 ENG FUEL LEAKING BETWEEN FUEL PUMP AND FMU AT SIX O'CLOCK POSITION. WHILE PERFORMING ENG RUNS OFF OF A-13 CHECK FOUND FUEL LEAK NUMBER 1 ENGINE BETWEEN FUEL CONTROL AND PUMP. R & R NR 1 ENG FUEL PUMP PER MM. REPLACED NR 1 ENG FUEL PUMP PER MM UP STEP G2SDR UALA2012101005767Charger · faultyNO LAND 3 EICAS MSG. OP CHECKED OK AND NO FAULTS. PER FLIGHT CREW BATTERY MSG HAS APPEARED, REPLACED MAIN BATTERY CHARGER.SDR UALA2012100805710Controller · failedBLEED PRSOV R RIGHT ENGINE BLEED PRESSURE REGULATING SHUT OFF VALVE (PRSOV) FAILED OPEN OR CLOSED OR RIGHT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. STATUS MSG-3610380 LATCHD DC MODE MSG-3610380 LATCHD DC MODE. CANNOT UNLATCH MSG. PRSOV LOCKED IN THSDR UALA2012100905732Panel · damagedDURING REMOVAL OF PANEL FOR DEFECT DISTURBED 3 EACH EEL LIGHTS ALONG WALL NEAR 2 RIGHT MED. AFT RT SIDE OF MID GALLEY WALL HAD A 1' BY 2' GAUGE AND DELAMINATED AREA. 2 AREA OF DAMAGE ARE 2 FOOT LONG 1-4IN WIDE AND OTHER 6INCH LONG BY 1-4IN WIDE. COSMETIC DASDR UALA2012100905717Battery · failedCMC 1 MSG APU BATTERY FAILURE CAME BACK ON PUSHBACK. DEFERRED IAW MEL 2431C. REPLACED APU BATTERY AND CHARGER UNIT PER AMM. PERFORMED OPS CHECK CHARGING NORMALLY.SDR UALA2012100805669Retainer · faultyFIRST CLASS GALLEY, QUARTER TURN FOR 116 HAS FALLEN OFF. THE SCREW IS SHEARED OFF IN NUT PLATE. NEED TO ORDER RETAINER (PCN 023-0131). REPLACED BLOCK AND LATCH ASSY.SDR UALA2012100805670Shutoff Valve · faultyBLEED PRSOV R RIGHT ENGINE BLEED PRESSURE REGULATING SHUT OFF VALVE (PRSOV) FAILED OPEN OR CLOSED OR RIGHT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. STATUS MSG-3610380 LATCHD DC MODE MSG-3610380 LATCHD DC MODE. REPLACED PRSOV VALVE AND CONTROLLER PERSDR UALA2012100805704Handle · stuckCAPT RUDDER PEDALS CANNOT ADJUST. FOUND RUDDER PEDALS ADJUSTMENT HANDLE STUCK IN THE FULLY EXTENDED POSITION. HANDLE CYCLED SEVERAL TIMES NOW HANDLE FREE AND OPERATING SATISFACTORY.SDR UALA2012100205583Fan · faultyLAV GALLEY FAN L FAILURE OF LEFT LAVATORY-GALLEY VENTILATION FAN. REPLACED FAN AND RAN TEST PER MM, TEST PASSED.SDR UALA2012100305600Indicator · faultySTANDBY ALT BLANK. FOUND STANDBY ALTIMETER FAULTED. SWAPPED STANDBY ALTIMETER WITH STANDBY AIRSPEED INDICATOR. STANDBY ALTIMETER NOW NORMAL. STANDBY AIRSPEED IND INOP, NEED MR34131. REPLACED STANDBY AIRSPEED INDICATOR PER MM, SYSTEM OPS CHECKED OKAY.SDR UALA2012100405624Idg · faultyRIGHT GENERATOR "DRIVE" LIGHT INOP ON RIGHT IDG DISCONNECT SWITCH AND ELECTRICAL SYNOPTIC PAGE. PARTS ON BOARD AT BULK PIT. SUSPECT BAD IDG. REPLACED RIGHT IDG PER MM. LEAK, AND OPS CHECKS NORMAL, DRIVE LIGHT OPS NORMAL, SYNOPTIC PG DATA NORMAL.SDR UALA2012092905530Charger · faultyAPU BATTERY CHARGER INOP. DEFERRED APU BATTERY CHARGER AS PER MEL 2431D, C-B PULLED & COLLARED, INFO CHARGER "CHARGES" CONSTANTLY. REPLACED BATTERY CHARGER.SDR UALA2012092905529Battery · faultyMAIN BATTERY STATUS. REPLACED MAIN BATTERY AS PER AMM. 24-31-01 S/N OFF 1064A, S/N ON 3965. MESSAGE CLEARED ACFT OK FOR SERVICE.SDR UALA2012100105551Computer · faultyTCAS TRAFFIC ALERT AND COLLISION AVOIDANCE SYSTEM (TCAS) FAILURE. REPLACED TCAS COMPUTER, OP CHECKED GOOD.SDR UALA2012100105550Cdu · faultySTATUS MESSAGES CDU-L AND FMC DISPLAYED. SWAPPED TO CENTER POSITION VERIFIED CENTER CDU INTERMITTENTLY BLANKS. MR34611 DASH 241 IN CENTER POS. DASH 117 LEFT. LEFT CDU OPERATION NORMAL. INSTALLED NEW FMC-CDU CAPT'S LEFT HAND SIDE AND REINSTALLED PREVIOUSLYSDR UALA2012092705468Controller · malfunctionedLEFT PACK FAILURE, RTFL. NOTICED WHEN DOING LEAK CHECK ON UPPER FCV THAT THE LOWER FCV WAS FLUCTUATING OR SURGING. REPLACE THE AIR SUPPLY CABIN PRESSURE CONTROLLER PCN 566-9019 FOR LEFT PACK FLOW CONTROL VALVE NOT BEING ABLE TO BE SHUTOFF. REPLACED ASCPC PESDR UALA2012092905487Radome · damagedRADOME DAMAGED BY BIRD STRIKE. REPLACED NOSE RADOME AS PER AMM 53-12-01 PAGE SERIE 400. RADOME P/N 284T0052-39P S/N 0976 BORROWED.SDR UALA2012092905491Control Valve · failedLEFT PACK SURGING CAUSING LEFT ENGINE PARAMETER FLUCTUATION. RESET PACK ONCE PER FLIGHT MANUAL PROCEDURE 2.20.14 INDICATION RETURNED TO NORMAL BRIEFLY, THEN FAILED AGAIN SHORTLY THEREAFTER. UPPER PACK CONTROL VALVE FAIL INTERNALLY WITH THE VALVE CLOSED. NOTSDR UALA2012100105559Control Valve · faultyTROUBLESHOOT PER FIM 21-51 TASKS 830-831 FOUND LOWER FLOW CONTROL VALVE PROXIMITY SWITCH AT FAULT. MAT SHOWS MX MSG 21-24303. SAMC TEXT: REPLACE THE LOWER FLOW CONTROL VALVE ON THE LEFT PACK. REMOVED AND REPLACED LOWER FLOW CONTROL VALVE. OPS CHECK AND LEASDR UALA2012100105560Controller · faultyREPLACE THE AIR SUPPLY CABIN PRESSURE CONTROLLER FOR LEFT PACK FLOW CONTROL VALVE NOT BEING ABLE TO BE SHUTOFF. REPLACED ASCPC PER AMM, OPS CHECK GOOD AT THIS TIME.SDR UALA2012092605448Strip · wornNR 1 ENGINE FIRST AFT HEATSHIELD GAP STRIP WORN. BLENDED DAMAGED AREAS ON NR 1 GAP STRIP, NR 1 ENGINE. OUTBOARD AREA AFTER CLEAN HAS DEPTH OF .140X1&13-16" LONG. INBOARD AREA AFTER CLEAN UP HAS A DEPTH OF .070X1&3-8" LONG. WILL REQUIRE HFEC TO TRIM LINE. SDR UALA2012092505432Light · inoperativeFORWARD EMERGENCY LIGHT AT SEAT 3F INOP. REPLACED LIGHT ASSY LIGHT SECURE IN SEAT, LIGHTS OPS CHECK GOOD.SDR UALA2012092405400Restraint · twistedF/A JUMP SEAT AT DOOR 3 CROSS AISLE LEFT SIDE HAS A SHOULDER HARNESS THAT WILL NOT MOVE *FIX-JHT. CROSS AISLE AT DOOR 3, LEFT F/A SEAT, BUCKLE SIDE HARNESS DOES NOT RELEASE. SEAT STOWED, TAPED AND PLACARD. TAPPED ON RESTRAINT REEL, SEEMS TO JAM INTERMITTENT.SDR UALA2012092405423Module · faultyR FMC EICAS MSG DISPLAYED. REPLACED RIGHT AIMS M2 CPM-BASIC MODULE PER AMM AND RELOADED ALL APPROPRIATE SOFTWARE. OP CHECK OKAY.SDR UALA2012092005336Door · damagedFORWARD CARGO HANDLING ACCESS PANEL DOOR P24 DAMAGED ACCOMPLISHED BLEND & RE WORK PER SRM. ALLOWABLE DAMAGE 1 FIG 102. DOOR ALLOCHROMED AND PRIMED. REQUIRES RE-EVALUATION AND DENT DOT. NDT ON DOOR OK. IF REQUIRED DOOR PART NUMBER IS 141W5350-1. BLENDED PSDR UALA2012092005323Actuator · faultyFLIGHT CONTROL SYSTEM EICAS MESSAGE. NEEDS RIGHT INBOARD FLAPERON ACTUATOR REPLACED. REPLACED RIGHT FLAPERON INBOARD ACTUATOR AS PER AMM. ALL REQUIRED MAT TEST PASSED OPS AND LEAK CHECK ACCOMPLISHED. NO LEAKS NOTED, ALL INDICATIONS NORMAL NOW.SDR UALA2012091905311Sense Line · crackedLEFT EEC FAILED. LEFT UPPER PROBE AFT SENSE LINE PER FIM TASK 77-11 805 & MM 77-11-01. REPLACED AFT LEFT UPPER PROBE SENSE LINE ACCT SEPARATED-CRACKED AT B-NUT ON PROBE END.
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