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.

SDR UALA2012080604156Tire · wornLEFT MLG AFT INBD TIRE WORN. REPLACED TIRE.Aug 3, 2012 · N215UA · Boeing 777222 · Tire TubeSDR UALA2012080604223Battery · failedAPU BATTERY FAILED. REPLACED BATTERY. APU BATTERY WEAK MESSAGE CLEARED. THEN APU BATTERY CHARGER INTERNAL FAULT MESSAGE BECAME ACTIVE. REPLACED BATTERY CHARGER MESSAGE CLEARED. OPS CHECKS GOOD. APU BATTERY MSG REOCCURED.Aug 3, 2012 · N781UA · Boeing 777222 · Battery/Charger SystemSDR UALA2012080604209Battery · weakMAIN BATTERY WEAK STATUS MESSAGE DISPLAYED. REPLACED MAIN BATTERY AND MAIN BATTERY CHARGER PER MM.Aug 2, 2012 · N772UA · Boeing 777222 · Battery/Charger SystemSDR UALA2012073004119Generator · inoperativeAPU GENERATOR WILL NOT STAY ONLINE. APU GENERATOR EXCITER FIELD OUT OF RANGE. REPLACED APU GENERATOR PER AMM, OPS CHECKED GOOD.Jul 29, 2012 · N773UA · Boeing 777222 · AC Generator-AlternatorSDR UALA2012073004094Restrictor Valve · inoperativeWATER POURED IN 1ST CLASS GALLEY DRAIN SPILLING OUT OF 1ST CLASS LAVATORY SINKS AND RUNNING DOWN THRU E/E COMPARTMENT. REPLACED FWD GRAY WATER DRAIN RESTRICTER VALVE PER MM.Jul 28, 2012 · N772UA · Boeing 777222 · Waste Disposal SystemSDR UALA2012073004112Pump · leakingRIGHT MAIN WHEEL WELL, ALTERNATING CURRENT HYD MOTOR PUMP (FWD C1) IS LEAKING STEADILY FROM FLANGE. REPLACED C1 ACMP PER AMM.Jul 28, 2012 · N210UA · Boeing 777222 · Hydraulic Pump (Electric/Engine), MainSDR UALA2012080804275Control Panel · faultyRIGHT WEATHER RADAR WILL NOT TEST. REPLACED CONTROL PANEL. INSTALLED PER MM AND OPS CHECKED GOOD.Jul 28, 2012 · N774UA · Boeing 777222 · Weather Radar SystemSDR UALA2012080604203Audio Panel · inoperativeFIRST OFFICER'S O2 MASK MICROPHONE INOPERATIVE. REPLACED FIRST OFFICERS AUDIO CONTROL PANEL. OPS CHECKED OKAY.Jul 27, 2012 · N780UA · Boeing 777222 · Communications SystemSDR UALA2012072604052Fan · failedAPPROX 60 MINUTES PRIOR TO ARRIVAL, FLIGHT ATTENDANT NOTIFIED CAPTAIN OF ELECTRICAL SMOKE ODOR IN CABIN. SHORTLY AFTER CREW RECEIVED A RECIRC FAN STATUS MESSAGE. EVIDENCE OF OVERHEATING AT FAN. FAN IMPELLER & SHAFT LOOSE AND WOBBLES. REPLACED FAN, CHECKED OKJul 25, 2012 · N779UA · Boeing 777222 · Air Distribution FanSDR UALA2012072504033Battery · inoperativeDOOR 4 LEFT EPAS BATTERY INOP. EPAS BAT IN ARMED POSITION WITH GREEN LIGHT FLASHING REF GROUP 31. REPLACED INOP BATTERY ON EPAS IN REF WITH AMM. ACCOMPLISH RII INSPECTION OF AMIS ITEM 0902032.Jul 24, 2012 · N772UA · Boeing 777222 · Emergency EquipmentSDR UALA2012072504047Control Panel · faultyWEATHER RADAR SYS STATUS MESSAGE 34-44041 ON MAT DEFAULTED TO WEATHER RADAR CTRL PANEL. REPLACED CONTROL PANEL, ALL SATISFACTORY.Jul 24, 2012 · N774UA · Boeing 777222 · Weather Radar SystemSDR UALA2012072303960Battery · faultyCREW REPORTED A MAIN BATTERY AND CHARGER MESSAGE. REPLACED MAIN BATTERY AND MAIN BATTERY CHARGER PER MM, OPS CHECKED NORMAL, MESSAGES CLEARED.Jul 23, 2012 · N769UA · Boeing 777222 · Battery/Charger SystemSDR UALA2012072404015Generator · inoperativeAPU GEN INOP. REPLACED APU GEN. OPERATED APU WITH LOAD. OPS NORMAL.Jul 22, 2012 · N773UA · Boeing 777222 · AC Generator-AlternatorSDR UALA2012072404016Sensor · failedHYD TEMP INDICATOR PRI C2 FAILED. REPLACED TEMP SENSOR OPS CHECKED GOOD PER FIM 29-11 TASK 897.Jul 22, 2012 · N210UA · Boeing 777222 · Hydraulic Indicating SystemSDR UALA2012072303955Transceiver · inoperativeLEFT HF RADIO INOPERATIVE. LEFT HF TEST PASSED MAT TEST, LEFT HF CAN MONITOR BUT WILL NOT TRANSMIT IN BOTH CAPT-FO POS. COUPLER WILL NOT TUNE FOR TRANSMIT. RDF-T :TRIED NEW LEFT HF TRANSCEIVER STILL NOT TUNING. REINSTALLED OLD ONE. OPS CHECKED RIGHT HF PER AMMJul 22, 2012 · N214UA · Boeing 777222 · HF Communications SystemSDR UALA2012072303962Display · inoperativeFIRST OFFICERS DISPLAY INTERMITTENTLY INOPERATIVE. SWAPPED CENTER LOWER DISPLAY WITH FIRST OFFICER NAV DISPLAY. REPLACED CTR LOWER DISPLAY.Jul 21, 2012 · N214UA · Boeing 777222 · Central DisplaySDR UALA2012072403999Battery · weakAPU BATTERY FAILURE. STATUS ACTIVE DESCENT MODE DEPENDENT, APU BATTERY IS WEAK. DB- ELMS P310 ELECTRONICS UNIT MSG-2413047 ACTIVE DC MODE. REPLACED APU BATTERY PER MM, OPS CHECKED GOOD.Jul 20, 2012 · N214UA · Boeing 777222 · Airborne Auxiliary Power Unit (APU) SystemSDR UALA2012072003952Actuator · leakingSMALL HYDRAULIC LEAK FROM RT OTBD FLAPERON ACTUATOR ROD END. FOUND RT FLAPERON OTBD ACTUATOR ROD END LEAKING 2 DROPS PER MINUTE WITHIN LIMITS. REPAIR WITHIN 75 FLIGHT HOURS. SERVICE HYDRAULICS TO FULL.Jul 19, 2012 · N776UA · Boeing 777222 · Trailing Edge Flap ActuatorSDR UALA2012071903931Transceiver · failedTHE LEFT RADIO ALTIMETER OUTPUT LOST, INACCURATE, OR INTERMITTENT. STATUS MSG01- ACTIVE CLIMB INTERMITTENT; RADIO ALTIMETER TRANSMIT ANTENNA (LEFT) CIRCUIT IS OPEN. DB- RADIO ALTIMETER TRANSCEIVER (LEFT) MSG02- ACTIVE CLIMB INTERMITTENT; RADIO ALTIMETER TRAJul 18, 2012 · N215UA · Boeing 777222 · Ground Proximity SystemSDR UALA2012071603847Sliding Window · damagedFIRST OFFICER'S NR 2 WINDOW SCRATCHED AND VERY DIFFICULT TO SEE OUT OF, SAFETY ISSUE. REPLACED FIRST OFFICER NR 2 SLIDING WINDOW, OPS CHECKED OKAY.Jul 16, 2012 · N768UA · Boeing 777222 · Flight Compartment WindowsSDR UALA2012071603824Module · faultedMAINTENANCE MESSAGE 31-52601 IOM (M003) IN LEFT AIMS HAS A DISCRETE INPUT FAULT SHOWN ON MAT EXISTING FAULT PAGE. ALSO LRM AIMS CABINET SHOWN ON CH 31 SMT PAGE. TRIED AIMS MODULE RESET, AND POWER RESET. NO HELP. ALSO UNABLE TO RELOAD SOFTWARE INTO M003 MODJul 14, 2012 · N215UA · Boeing 777222 · Central ComputersSDR UALA2012071203771Feeder Cable · damagedNR 2 ENGINE IDG FEEDER CABLES HAVE BURNED AND SPLIT SHRINK WRAP INSULATION AT IDG TERMINAL ENDS. REPLACED LEFT ENGINE IDG POWER FEEDER CABLES FROM ENGINE IDG TO ENGINE MOUNTED TERMINAL STRIP PER AMM. REPLACED RIGHT ENGINE IDG POWER FEEDER CABLES FROM RT ENG Jul 11, 2012 · N210UA · Boeing 777222 · Electrical Power System WiringSDR UALA2012071203758Coupler · failedHF RADIO - TRANSMISSION PROBLEM. RIGHT HF CAN RECEIVE BUT DOES NOT HAVE LONG RANGE TRANSMIT CAPABILITY. REPLACED COUPLER IAW AMM. ESTABLISHED AUDIO COMMS AND RECEIVED CALL ON LT AND RT HF RADIOS. SYSTEM OPS CHECKED NORMAL.Jul 11, 2012 · N776UA · Boeing 777222 · HF Communications SystemSDR UALA2012071203759Coupler · failedRT HF COMM ISSUES. DUE TO REPETITIVE HITS IN AHM ON THE RT HF ANTENNA COUPLER HAVING AN INTERNAL FAULT (MESSAGE 23-51012) WHICH STARTED SHORTLY AFTER IT WAS INSTALLED AND IS PRESENT ON MOST LEGS. 1. REPLACED THE RT HF ANTENNA COUPLER PER AMM 23-11-03. ESTAJul 11, 2012 · N776UA · Boeing 777222 · HF Communications SystemSDR UALA2012071103707Converter · failedFAILURE IN THE BACKUP ELECTRICAL SYSTEM HAS OCCURRED THAT CANNOT BE ATTRIBUTED TO A BACKUP GENERATOR. STATUS MESSAGE 2448070 LATCHED AP MODE MESSAGE 2448070 LATCHED AP MODE. FOUND STATUS MESSAGE 'ELEC BACKUP SYS' DISPLAYED WITH CORRELATED MAINT MESSAGE 24480Jul 10, 2012 · N210UA · Boeing 777222 · AC Generator-AlternatorSDR UALA2012071203761Shroud · brokenCACP R4 DOOR TRIM PANEL BROKEN. REPLACED SHROUD.Jul 10, 2012 · N776UA · Boeing 777222 · Service DoorsSDR UALA2012071103716Radio · noisyLOUD BUZZ AND STATIC ON RADIOS WHICH FIRST OFFICERS COMM SIDE WENT OUT. CAPTAIN'S SIDE BARELY TRANSMIT. ELECTRICAL ODOR FOLLOWED. FLIGHT DECLARED EMERGENCY AND RETURNED TO DEPARTURE. ACCOMPLISHED VHF BITE AND OPS TEST PER MM 23-12-01. NO STATIC HEARD. BIJul 8, 2012 · N778UA · Boeing 777222 · VHF Communications SystemSDR UALA2012071103718Apu · failedAPU FAIL STATUS MESSAGE. REPLACED APU, THE IGV ACTUATOR AND THE APUC. VERIFIED CORRECT SOFTWARE INSTALLED. BOTH MESSAGES CLEARED.Jul 7, 2012 · N780UA · Boeing 777222 · Airborne Auxiliary Power Unit (APU) SystemSDR UALA2012071103721Valve · inoperativeBLEED FAN AIR MODULATION RIGHT EICAS MESSAGE DISPLAYED. DEFERED FOR TIME, VALVE DEACTIVATED IN OPEN POSITION, MEL APPLIED. REPLACED FAMV PER MM.Jul 7, 2012 · N211UA · Boeing 777222 · Pneumatic Distribution SystemSDR UALA2012071103719Control Panel · warning messageMODE CONTROL PANEL FAULT MESSAGE. REMOVED MODE CONTROL PANEL, INSTALLED NEW PERFORMED TEST PER MM.Jul 7, 2012 · N771UA · Boeing 777222 · Autopilot ComputerSDR UALA2012071103724Pressure Switch · failedENGINE OIL FILTER SENSOR PRESSURE SWITCH FOR DETECTING IMPENDING OIL FILTER BYPASS ON THE RIGHT ENGINE HAS FAILED.Jul 7, 2012 · N777UA · Boeing 777222 · Turbine Engine Oil SystemSDR UALA2012070303538Generator · failedRIGHT BACKUP GENERATOR IS OFF OR HAS FAILED. ADVISORY MESSAGE 2446090 LATCHED CL MODE. FOUND RT BUG OIL LEVEL LOW AGAIN. REPLACED RT BACKUP GENERATOR. RAN ENGINE, OPS CHECK & LEAK CHECK GOOD. NO EVIDENCE OF EXTERNAL LEAKAGE AT BUG OR AIR OIL COOLER.Jul 3, 2012 · N778UA · Boeing 777222 · AC Generator-AlternatorSDR UALA2012070203534B-Nut · unsecureELEC BACKUP GEN R RIGHT BACKUP GENERATOR IS OFF OR HAS FAILED. ADVISORY CREW COMMENTS: R ELECT BUG INOP FAILED ONCE IN CRUISE RESET 1 TIME PER CHECKLIST, RESET OK. MSG-2446090 LATCHD CL MODE. ACPD FIM 24-25 TASK 862, RIGHT BUG OIL LEVEL LOW, SECURED LOOSE 'BJul 2, 2012 · N778UA · Boeing 777222 · AC Generator-AlternatorSDR UALA2012070303547Control Cable · brokenFIRST OBSERVER SEAT HORIZONTAL CONTROL CABLE BROKEN. SEAT IS ALL THE WAY BACK AND DOES NOT INTERFERE WITH CREW MOVEMENT. SEAT LOCKED HORIZONTALLY IN THIS POSITION. NO PARTS EWR. NEED CABLE (021-8565) OR SEAT ASSY (021-9020) NON STOCK EWR. REPLACED OBSERVEJul 2, 2012 · N780UA · Boeing 777222 · Flight Compartment EquipmentSDR UALA2012070503593Control Panel · faultyBOTH LEFT WING FILL VALVES INOPERATIVE. LEFT WING REFUELED MANUALLY. FOUND MOVEMENT OF REFUEL PANEL WIRE BUNDLE OPENS REFUELING VALVES. REPLACED INTEGRATED REFUEL PANEL.Jul 2, 2012 · N778UA · Boeing 777222 · Fuel StorageSDR UALA2012070203523Connector · defectiveTURB CASE COOL HPT L LEFT ENGINE HIGH PRESSURE TURBINE (HPT) CASE COOLING ACTUATOR IS STUCK OR REVERTED TO ITS FAILSAFE POSITION. ITEM ROLLED FORWARD. MSG-7550681 INACTV DC INTER MSG-7560661 ACTIVE DC HARD MSG-7550661 INACTV DC MODE MSG-7550661 INACTV DC MODJul 1, 2012 · N768UA · Boeing 777222 · Engine Bleed Air System WiringSDR UALA2012070203522Generator · failedAPU GENERATOR TRIPPED OFF AT GATE 3 TIMES. APU GENERATOR REPLACED. LEAK CHECKED OKAY.Jun 30, 2012 · N768UA · Boeing 777222 · AC Generator-AlternatorSDR UALA2012062903475Wire Harness · chafedOVERHEAT CIRCUIT L2 LEFT ENGINE OVERHEAT DETECTION CIRCUIT 2 FAILURE. STATUS MSG04- NOT ACTIVE CRUISE INTERMITTENT. FOUND WIRE BUNDLE W0656 CHAFED & WORN BEHIND HYDRAULIC MOUNT BRACKET RIGHT SIDE BETWEEN DETECTORS M26005 & M26004. REPLACED WIRE HARNESS, FIJun 26, 2012 · N211UA · Boeing 777222 · Fire Protection System WiringSDR UALA2012062903476Wire Harness · chafedFIRE LOOP 2 ENG L LEFT ENGINE FIRE DETECTION SYSTEM LOOP 2 FAILURE. REPLACED WIRE HARNESS, SYSTEM TESTED NORMAL.Jun 26, 2012 · N211UA · Boeing 777222 · Fire Protection System WiringSDR UALA2012062903444Computer · faultedCREW REPORTS ACFT REQUIRED SIGNIFICANT AILERON TRIM INPUT, FOUND LEFT FLAPERON DRIFTING UP. REACHED POINT TO AFFECT ACFT STABILITY AND SNAPPED BACK DOWN. ON GROUND HAD LEFT PFC LANE FAULT AND ACE L2 FAILED GROUND TEST. REPLACED LEFT PFC AS PER AMM, ALL TEST Jun 25, 2012 · N769UA · Boeing 777222 · Aileron Control SystemSDR UALA2012062903408Lamp · inoperativeEXTERIOR DOOR EMERGENCY LIGHT IS OUT AT DOOR 3 LEFT. RELAMPED EMERGENCY LIGHTS, OPS CHECKED GOOD.Jun 23, 2012 · N768UA · Boeing 777222 · Emergency LightingSDR UALA2012062203393Acoustic Panel · damagedNR 2 ENGINE ACCOUSTICAL PANEL MISSING POTTING COMPOUND AT PREVIOUS REPAIR, APPROX 11. ITEM SHOULD READ FAN BLADE RUBSTRIP MISSING POTTING COMPOUND CF605.Jun 22, 2012 · N774UA · Boeing 777222 · Engine (Turbine/Turboprop)SDR UALA2012062903431Rub Strip · damagedNR 2 ENGINE ACCOUSTICAL PANEL MISSING POTTING COMPOUND AT PREVIOUS REPAIR, APPROX 11. ITEM SHOULD READ FAN BLADE RUBSTRIP MISSING POTTING COMPOUND CF 605 ^24JUN ORD RCF-P :SEE MM72-33-01-801 FOR REPAIR AND MM 72-33-01-601 FOR INSPECTION CHECK. NEED PCN840-04Jun 22, 2012 · N774UA · Boeing 777222 · Turbine Engine Air Inlet SectionSDR UALA2012062903441Rub Strip · damagedNR 2 ENGINE ACCOUSTICAL PANEL MISSING POTTING COMPOUND AT PREVIOUS REPAIR, APPROX 1 1 BY- 69647 :ITEM SHOULD READ FAN BLADE RUBSTRIP MISSING POTTING COMPOUND CF 605. SEE MM72-33-01-801 FOR REPAIR AND MM 72-33-01-601 FOR INSPECTION CHECK. NEED PCN840-0440, 84Jun 22, 2012 · N774UA · Boeing 777222 · Turbine Engine Air Inlet SectionSDR UALA2012082304704Skin · scratchedSCRATCH ON FUSELAGE JUST FWD OF 2L DOOR. REMOVED DAMAGE AND INSTALLED A RPR DOUBLER REF SRM 53-00-01 RPR 7 AND ECRA 5330- 04311 AT C-02 VISIT.Jun 22, 2012 · N779UA · Boeing 777222 · Fuselage Main, Plate/SkinSDR UALA2012062203301Controller · faultyBLEED PRSOV RIGHT DISPLAYED ON STATUS PAGE. REPLACED PRSOV CONTROLLER BASED ON VALVE CHANGED 3 DAYS AGO.Jun 20, 2012 · N211UA · Boeing 777222 · Pneumatic Distribution SystemSDR UALA2012062203345Unknown · malfunctionedPER CREW, UNABLE TO CONTROL CABIN LIGHTS FROM MID CABIN DOOR 2 TO FWD CABIN, ALSO FASTEN SEATBELT SIGNS INOP AND UNABLE TO TURN OFF READING LIGHTS IN AFFECTED ZONE ALSO. REF SEQ 1292005 BRIGANTE.Jun 17, 2012 · N213UA · Boeing 777222 · Emergency LightingSDR UALA2012062203332Oxygen Mask · no testF/O O2 MASK WILL NOT TEST PROPERLY. REPLACED F/O MASK ASSY.Jun 16, 2012 · N211UA · Boeing 777222 · Crew Oxygen SystemSDR UALA2012061503287Valve · 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 MSG01- LATCHED DESCENT MODE DEPENDENT; PRESS REGULATING AND SOV (RIGHT) FAILED CLOSED. DB- AIR Jun 15, 2012 · N211UA · Boeing 777222 · Pneumatic Distribution SystemSDR UALA2012061503286Line · looseFUEL LEAKING FROM NR 1 ENGINE STRUT DRAIN LINE AT APPROX 2 DROPS PER SECOND. TIGHTENED FUEL FEED LINE INSIDE PYLON. PRESS CHECKED WITH BOOST PUMPS. NO LEAKS NOTED. SECURED PANELS AND COWLS.Jun 14, 2012 · N211UA · Boeing 777222 · Aircraft Fuel Distribution System
Back to Pratt & Whitney PW4077