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 UALA2010121704609Packing · leakingFUEL LEAKING LT ENGINE NR9 STRUT DRAIN. PRESSURIZED FUEL SYS FOUND LOWER COUPLING LEAKING VIEW THRU PNL 432CR. FUEL LEAKING FROM COUPLING CONNECTION INSIDE PYLON. LOOKING UP THROUGH ACCESS PANEL 432CR. NEW PACKINGS IN FUEL OFFICE. R & R PACKINGS AT LOWER COUPSDR UALA2010121704616Light · missingEMERGENCY EXIT STRIP FROM 3E IS TORN OFF. STRIP ON SIDE OF SEAT MISSING. INSTALLED LIGHT ASSY. OP'S CHECKED OK.SDR UALA2010122004634Satcom · faultySDU INTERNAL FAULT GIVING MSG 23-60541. REPLACED SDU IAW MM, NO FAULTS AFTER UNIT WAS REPLACED.SDR UALA2010121604601Pump · failedCTR RT FUEL PUMP FAILED. REPLACED RT CTR PUMP. OPS CHECK AND LEAK CHECK RT CTR TANK PUMP, CHECKED GOOD. REPLACED RT MAIN TANK INLET AND OUTLET FLOAT VALVES. PERFORMED FUNCTIONAL TEST SCAVENGE SYSTEM (OKAY). LT & RT FUEL TANKS INDICATIONS NORMAL.SDR UALA2010121604600Check Valve · faulty3 START ATTEMPTS APU FAILED TO START. STARTED APU USING ACFT PNEUMATIC. DEFERRED ISSUE FOR FURTHER T/S IAW MEL 4942A AND COMPLIED WITH MAINT MSG 49-11290. CHECK VALVE, REF: FIM 49-52-00-810 TASK 808 "APU CHECK VALVE FAILED OPEN". REPLACED 2EA APU PNEU CLUSTESDR UALA2010121304537Lamp · inoperativeSEAT 1F FWD EMERGENCY LIGHT INOPERATIVE. RELAMPED WITH NEW LITE ASSY. CHECKS OK.SDR UALA2010121304546Battery · faultyFLIGHT CONTROL SYS STATUS MSG. MAINT MSG 24-50243 FC BATTERY CENTER VOLTAGE LOW. DF PER MEL 2702A. PFC CENTER CHANNELS. REPLACED CENTER FCDC BATTERY PER AMM. OPS CHECK OKAY.SDR UALA2010121404557Pressure Switch · failedENG OIL FILT SNSR L THE PRESSURE SWITCH FOR DETECTING IMPENDING OIL FILTER BYPASS ON THE LT ENGINE HAS FAILED. STATUS MSG01-ACTIVE CRUISE MODE DEPENDENT; SWITCH POSITION SIGNAL FROM OIL FILTER DIFFRNTL PRESS SW (L ENG) CHANNEL A & B DO NOT AGREE. DB- ELECTRSDR UALA2010121304547Pcu · faultySTS MESSAGE FLT CONTROL SYS, MESSAGE NR 27-10502. CLEANED CONNECTOR, NO HELP. REMOVED NR 3 SPOILER PCU. COMPLETE INSTALLATION PER MM. REPLACED NR 3 OUTBOARD SPOILER PCU PER MM.SDR UALA2010121004520Shutoff Valve · faultyPACK FCV L (1) (BUT NOT BOTH) OF THE (2) LT PACK FLOW CONTROL VALVES (FCV) ARE NOT IN THE COMMANDED POSITION. STATUS MSG01- LATCHED CLIMB MODE DEPENDENT; LOWER FLOW CONTROL AND SOV (L PACK) TORQUE MOTOR IS NOT IN COMMANDED POSITION. DB- CABIN TEMPERATURE CONSDR UALA2010120904494Bleed Valve · failedFOUND 2.9 START BLEED VALVE FAILED CLOSED NR1 ENG. AFTER TROUBLESHOOTING, REPLACED CLOGGED PS3 FILTER BUT FOUND BAD BLEED VALVE. REMOVED VALVE, INSTALLED VALVE. ACCOMPLISHED REPLACEMENT OF P3 FILTER. CHECKED OPS OF VALVE. NO CLUNK. BORO'ED FOUND VALVE FAILSDR UALA2010120904496Shutoff Valve · malfunctionedOVERHEAT IN ZONE SUPPLY DUCT, LEFT TRIM PRSOV FAILED CLOSED, LEFT TRIM AIR SWITCH COMMANDED OFF. ADVISORY DEFERRED DUE TIME. AIR CON RESET, LEFT TRIM FAULT COMES BACK WITH STATUS MESSAGE LT TRIM AIR, NO MAINT MESSAGE, LT TRIM SYSTEM GROUND TEST PASS BUT FAULSDR UALA2010120804486Shutoff Valve · faultyC2 DEMAND PUMP SHOWS 600-1000 PSI WITH PUMP IN AUTO AT CRUISE. POSSIBLE AIR LEAK FROM MODULATING SHUTOFF VALVE TO ADP. WILL NEED VALVE & TUBES. REPLACED ADP MODULATING SHUTOFF VALVE. REPLACED TUBING. NEEDS INSTALLATION TEST.SDR UALA2010120804485Pcu · leakingLT FLAPARON OTBD ACTUATOR LEAKING. FOUND OTBD ACTUATOR LEAKING AT 15 DROPS PER MIN. FLAPERON PCU REPLACED. OP CHECKS NORMAL.SDR UALA2010120604471Receptacle · dirtyDOOR 4L SLIDE DOES NOT DISARM COMPLETELY. CLEANED AND LUBED GIRT BAR RECEPTACAL, OPS NORMALSDR UALA2010120604459Sensor · faultyCREW REPORT LT TRIM AIR PRESSURE FLUCTUATING, POOR AIR QUALITY, AND TEMP CTL DIFFICULT. SELECTED THE LT TRIM AIR SWITCH TO OFF IAW FLT MAN AS A PRECAUTION. SAMC TEXT: CREW REPORT AIR HAD AN OZONE TYPE ODOR, IMPROVED WITH TRIM AIR SWITCH OFF. ACP FIM 21-51 T8SDR UALA2010120604466Spring · brokenDURING TESTING OF LT PACK SYS, HEARD A TATTLING METALLIC NOISE COMING FROM THE LT PACK REHEATER, SUSPECT A SMALL BROKEN PIECE OF METAL INSIDE THE REHEATER. FOUND A BROKEN BONDING SPRING RING INSIDE THE REHEATER, REMOVED ALL BROKEN PARTS AND REPLACED BONDING SSDR UALA2010120204432Valve · faultySTATUS MESSAGE DISPLAYED BLEED FAMV R. DEFERED DUE TIME RT FAMV LOCKED IN THE OPEN POSITION. PRECAUTIONARY PAC ORDER PLACED FOR HIGH PRESSURE CONTROLLER 646-9027 - R5035. VALVE 646-9012 IS ALSO ON PRECAUTIONARY PAC ORDER - D4709 - NONE AVAILABLE STATESIDE. SDR UALA2010113004402Relay · faultyENG IGNITER L2 LEFT ENGINE FAILED TO IGNITE USING IGNITER 2. STATUS MSG-7461501 INACTIVE ES MODE. REPLACED NR 1 ENG RELAY UNIT PER MM. RAN ENG TWO TIMES WITH NO FAULTS. TESTED ERU INSTALLATION PER MM. ALL CHECKS GOOD.SDR UALA2010113004405Pressure Switch · malfunctionedCHRONIC LT CTR TANK FUEL PUMP FAULT RELATED TO MESSAGE. REPLACED CONNECTOR D2189P, WIRE W8189-2001R-20, WIRE W8189-2001B-20, AND CONNECTOR DS28110. INSTALLED NEW PRESSURE SWITCH INW IPC 28-42-01-002 ITEM 22 ACP TEST OF LT CTR FUEL PUMP PRESSURE SWITCH S2811SDR UALA2010113004403Exciter · failedENG IGNITER L2 LEFT ENGINE FAILED TO IGNITE USING IGNITER 2. STATUS MESSAGE-7461501 INACTIVE ES MODE. REPLACED EXCITER MODULE, IGNITION LEAD AND IGNITION PLUG.SDR UALA2010112904378Oxygen Mask · faultyCAPTAIN'S O2 MASK AIR FLOW WILL NOT STOP FLOWING. REPLACED CAPT O2 MASK.SDR UALA2010112904355Relay · failedRT ENGINE WOULD NOT SHUT DOWN USING FUEL CONTROL LEVER, USED FIRE HANDLE. REPLACED NR 2 ENGINE RELAY UNIT PER MM. RAN ENGINE SEVERAL TIMES, SHUT DOWN NORMAL.SDR UALA2010112304314Skin · damagedFOUND 3 LIGHTNING STRIKES AT STA 839 2 INCHES INBD OF STR 45R, STA 850 AT S-45R AND STA 861 AT S-45R. MAJOR REPAIR ACCOMPLISHED: STARTED TO BLEND LIGHTNING STRIKES. ACP SMC004 ON WU B4078W. FUSE EXTERNAL SKIN LIGHTENING STRIKES. DRILLED REMAINING HOLES DE-SDR UALA2010112404346Gcu · faultyAPU GEN SYS WILL NOT COME ON LINE. SWAPPED LEFT ENG GCU TO APU POS, NOW APU GEN SYS OK. SWAPPED UNITS BACK TO ORIGINAL POS. ORDERED NEW APU GCU MR 24241 TO GATE 82. REPLACED APU GCU. OPS NORMALSDR UALA2010112204304Satcom · failedSATCOM SYSTEM SATCOM SYSTEM FAILS OR NO BUS ACTIVITY. STATUS MSG01- ACTIVE CRUISE HARD;SATELLITE DATA UNIT (LEFT) HAS NO OUTPUT ON ANY BUS. MSG-2368801 ACTIVE ER HARD. PULLED AND CAPPED BREAKER SYSTEM INOPERATIVE. SDU RECEIVED ON AOG WAS CONTAMINATED WITH SDR UALA2010112204287Socket · burnedLAV 4R FLUORESCENT BULB SPARKING. BULB REMOVED. LOC- VANITY. FLIGHT ATTENDANT REPORTED SLIGHT ELECTRICAL SCENT FROM LAV AT 4R AND LIGHT IN VANITY WAS FLICKERING. REMOVED LENS COVER REPORTED SEEING SPARK AT LAMP END. REPLACED FLUORESCENT LAMP SOCKET. CONTSDR UALA2010111904276Battery Pack · brokenBATTERY PACK BROKEN AT LT NR 1 DOOR EPAS BATTERY PACK. REMOVED AND REPLACED BATTERY PACK IAW MM.SDR UALA2010111904275Wedge · delaminatedNR 9 SLAT WEDGE DELAMINATED AT IB TRACK AREA. TEMP INJECTION REPAIR ACP AND ULTRASONIC VERIFIED NO DISBOND. REMOVED THE SLAT, BONDING REPAIRED PER SRM. TOUCH UP PAINT PER AMM. REINSTALLED THE SLAT PER AMM. ADJUSTED AND OPS TEST OKAY.SDR UALA2010111804270Terminal · meltedPOWER TERMINAL ON WINDOW 1L SHOWS EVIDENCE OF HEAT DAMAGE. POWER TERMINAL HAS MELTED. BOTH HARNESSES AT J5 D30105 NEED TO BE CHANGED. REPLACED HARNESS D30105 (J5) AND SENSOR D30106 (J13) PER WDM. PERFORMED BITE CHK OF WINDOW HEAT, BITE CHECKS OKAY. CAPT'S SDR UALA2010111804267Battery · dischargedMAIN BATTERY SHOWING DISCHARGE. REPLACED MAIN BATTERY PER MM AND MAIN BATTERY CHARGER.SDR UALA2010111704254Light · damaged3E EMERGENCY LIGHT DAMAGED. STOWED CONNECTOR, REPLACED LIGHT ASSY. OP CHECKS OKAY.SDR UALA2010111704257Seal · missingRT INBD AILERON HAS APPROX 8-10 INCH LOOSE PIECE OF SEAL LAYING ACROSS TOP OTBD SIDE. SEAL OUT OF POSITION. REPLACED SEAL ON FLAPERON.SDR UALA2010111604245Shutoff Valve · failedBLEED PRSOV RIGHT ENGINE BLEED PRESSURE REGULATING SHUTOFF VALVE FAILED OPEN OR CLOSED OR RIGHT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. STATUS MSG-3610380 LATCHD DC MODE MSG-3610380 LATCHED DC MODE. FOUND DEFECTIVE VALVE. REPLACED HPSOV PER MM, OPSDR UALA2010111604246Actuator · faultyAIRCRAFT HEATH MONITORING HAS DOWNLINKED AN ENG EEC C1 L MSG ASSOC WITH 75-50391 MAINT MSG. C/B PULLED FROM REPLACEMENT OF 2.5 BLEED ACT. REPLACED NR 1 ENG 2.5 BLEED ACTUATOR. ACCOMPLISHED TEMPORARY RIG OF 2.5 PER MM. RESET PULLED CB'S PER MM.SDR UALA2010111504227Engine · making metalMETAL ON CHIP DETECTORS AND FOUND IN MAIN OIL FILTER. REPLACED ENGINE.SDR UALA2010111504216Skin · damagedDIRECT DAMAGE TO SKIN ON RIGHT SIDE OF AIRCRAFT 18 INCHES AFT OF RADOME AND 12 BELOW SKIN LAP. DAMAGE IS AT APPX FR STA 150. RMV'D 2 EA AFFECTED ADJACENT FASTENERS AND DETERMINED STRIKE ON SKIN TO BE .026" DEEP. EXCEEDS LIMITS LISTED IN SRM. STARTED REPAIR #5SDR UALA2010111204197Power Supply · inoperativeEMERGENCY EXIT LIGHTS ON SEAT ARE INOP ON SEAT ROWS 11-15. REPLACED POWER SUPPLY ASSY. OPS CHECKS GOOD.SDR UALA2011032501444Skin · damagedREPAIR MADE TO FUSELAGE SKIN ABOVE DOOR 1 LEFT. MAJOR REPAIR ACCOMPLISHED: INSTALLED DOUBLER REPAIR AT MED 4L.SDR UALA2010111004172Igniter · failedENG IGNITER L2 LEFT ENGINE FAILED TO IGNITE USING IGNITOR 2. STATUS MESSAGE-7461501 INACTIVE ES MODE. REPLACED LEFT ENGINE NR 2 EXCITER BOX. AUDIBLE OPS CHECKS GOOD. 4 ENGINE STARTS AND NO MESSAGE.SDR UALA2010111004176O-Ring · leakingUPON ARRIVAL NR1 ENGINE DRAIN TUBE NR 9 CONSTANTLY LEAKING FUEL ON GROUND. NR 9 DRAIN TUBE IS PYLON STRUT COMPARTMENT. MOTOR NR 1 ENGINE AND CONFIRM FUEL LINE DRIPPING FROM FUEL COUPLING IN STRUT COMPARTMENT. REPLACED TWO O-RINGS ON COUPLING IN THE STRUT JSDR UALA2010111004178Line · leakingFOUND ON WALK AROUND HYDRO LEAKING FROM ADP C1 OUTPUT LINE. REPLACED C1 ADP PUMP PRESSURE LINE. LEAK CHECKS OKAY. SERVICED HYDRAULICS.SDR UALA2010111104187Engine · making metalNR 2 ENGINE FOUND METAL CHIPS AND FLAKES ON OIL TANK CHIP DETECTOR.SDR UALA2010111004171Connector · miswiredNR 1 ENGINE NOSE COWL ELECTRICAL CONNECTOR AT 11 O'CLOCK POSITION IS INCORRECTLY WIRED. CONNECTOR D71018J. WIRED CONNECTOR D71018J PER HOOK UP CHART AND WD 78-31-11, OPS NORMAL.SDR UALA2010110804150Control Panel · failedWEATHER RADAR FAIL. BOTH HAVE STAB FAIL. LEFT SYSTEM INOP. RIGHT WEATHER RADAR OKAY. FOUND MAT MSG 34-44041, INDICATING WEATHER RADAR CONTROL PANEL FAULT. REPLACED WEATHER RADAR CONTROL PANEL PER, CONDITION NORMAL.SDR UALA2010110804131Electronic Unit · malfunctionedRANDOM CHIME IN FWD CABIN AT 30 SEC INTERVAL WITH 1L CONTROL SCREEN FLASH. ALSO INTERMITTENT SMOKE DETECTED ORANGE BOX ON DISPLAY AT 1L. FOUND OEU 1-1-2 FAULTY, REPLACED AND OPS NORMALSDR UALA2010110504102Guide Vane · damagedNR 2 ENGINE FAILED BORO INSP. FOUND MULTIPLE (MORE THAN 3) T1 NGV WITH T/E BURNBACK MORE THAN 0.15". ALSO FOUND ONE VANE WITH COMPLETE BURN THROUGH THRU BAFFLE FROM CONVEX SIDE TO CONCAVE SIDE WITH CONCAVE SIDE COOLING HOLES VISIBLE.SDR UALA2010110504107Ace · malfunctionedFLT CONTROL STATUS MESSAGE DISPLAYED ON EICAS. REPLACED ACE. LEFT 2 SYS GROUND CHECKS.SDR UALA2010110504108Switch · faultyENG OIL FILT SNSR L THE PRESSURE SWITCH FOR DETECTING IMPENDING OIL FILTER BYPASS ON THE LEFT ENGINE HAS FAILED. STATUS MSG-7960861 ACTIVE ER MODE MSG-7960861 ACTIVE ER MODE. SUPPLEMENTAL DATA UPDATE RPL'D LH ENG OIL DIFFERENTIAL PRESSURE SWITCH. CHECKED MCDSDR UALA2010110304085Power Supply · faultyEMERGENCY LIGHTS INOP ON SEATS ONLY, BETWEEN DOOR 3 AND 4 BOTH AILSES. REPLACED EMERGENCY POWER SUPPLY M33401. OPS CHECKS GOOD.
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