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 96UAL900339Downlock Pin · not removedNOSE GEAR DOOR WOULD NOT CLOSE WITH GEAR UP, AN EICAS MESSAGE INDICATED NOSE GEAR DISAGREEMENT. *S/D* DISCREPANCY WAS CAUSED BY THE NOSE GEAR DOWNLOCK PIN BEING LEFT IN PLACE. THE PROBLEM WAS CORRECTED BY REMOVING THE DOWNLOCK PIN.May 13, 1996 · N775UA · Boeing 777222 · Landing Gear Retraction/Extension SystemSDR 96UAL900335Trash Bin · fireREPORT OF SMOKE IN LAVATORY AT DOOR 4 RIGHT SIDE. ADDITIONAL, REPORT OF FIRE IN LAVATORY TRASH BIN. ALARM DID NOT SOUND. WASTE COMPARTMENT EXTINGUISHER DID NOT DISCHARGE.May 10, 1996 · N774UA · Boeing 777222 · LavatoriesSDR 96UAL900315Generator · malfunctionedLEFT ENGINE DRIVEN GENERATOR WILL NOT COME ON LINE.May 6, 1996 · N777UA · Boeing 777222 · AC Generator-AlternatorSDR 96UAL900316Pwr Cont Unit · failedSPOILERS EICAS MESSAGE DURING LANDING ROLL. *S/D* REPLACED NUMBER FOUR SPOILER POWER CONTROL UNIT.May 6, 1996 · N767UA · Boeing 777222 · Drag Control ActuatorSDR 96UAL900296Retract Mech · out of adjustAFTER TAKEOFF, NOTICED LOUD SUSTAINED VIBRATION IN CABIN FROM LEADING EDGE OF WING AFT INTO MID CABIN AREA. ALSO, FELT IN FLOOR OF COCKPIT. VIBRATION REMAINS AT ALL POWER SETTINGS. AIRCRAFT RETURNED TO FIELD. *S/D* ADJUSTED NR 7 SLAT PER AMM 27-81-00.Apr 29, 1996 · N769UA · Boeing 777222 · Leading Edge Slat Control SystemSDR 96UAL900292Generator · failedSTATUS MESSAGE FLIGHT CONTROL SYS DISPLAYED, MAINTENANCE MESSAGE DISPLAYED WAS 24 502 01. REPLACED LEFT BACKUP GENERATOR. *S/D* BACKUP GENERATOR WAS DEFECTIVE AND BACKUP GENERATOR WAS REPLACED.Apr 26, 1996 · N773UA · Boeing 777222 · AC Generator-AlternatorSDR 96UAL900279Temp Sensor · failedIN FLIGHT RIGHT DUCT PRESSURE VARIES FROM 43 TO 9, PRSOV LOCKED CLOSED. *S/D* THE RIGHT BLEED SYSTEM MANIFOLD DUAL TEMP SENSOR FAILED. THE SENSOR WAS REPLACED AND THE PNEUMATIC SYSTEM WAS TESTED AND PASSED. SYSTEM AND INDICATIONS WERE NORMAL ON SUBSEQUENT Apr 24, 1996 · N775UA · Boeing 777222 · Pneumatic Indicating SystemSDR 96UAL900096Ace Unit · malfunctionedLEFT OUTBOARD FLAPERON DOES NOT FOLLOW COMMANDS AND RAM TRANSDUCER HAS FEEDBACK FAULT. REPLACED ACTUATOR CONTROL ELECTRONICS L2. UNIT RETURNED TO MANUFACTURER FOR ANALYSIS.Feb 8, 1996 · N775UA · Boeing 777222 · Trailing Edge Flap ActuatorSDR 96UAL900086Air Distr · smokeINBOUND CREW REPORTS SMOKE ABOVE SEAT 8AB.Feb 2, 1996 · N775UA · Boeing 777222 · Air Distribution SystemSDR 96UAL900012Seam · leakingSLIDE REMOVED FROM AIRCRAFT DUE TO INADVERTENT DEPLOYMENT. SLIDE HAS A SEAM LEAK AT THE LT CORNER OF THE SLIDE. REPAIRED SEAM LEAK, NON-STRUCTURAL.Jan 9, 1996 · N769UA · Boeing 777222 · Escape SlideSDR 96UAL900002Generator · failedBACKUP ELECTRICAL SYSTEM EICAS MESSAGE DISPLAYED, INDICATING FAILURE OF BACKUP ELECTRICAL SYSTEM. BACKUP CONVERTER AND LEFTHAND BACKUP GENERATOR WERE REPLACED. VENDOR CONFIRMED FAILURE OF THE PMG STATOR WINDINGS IN THE BACKUP GENERATOR. ALSO, THE BACKUP CONVJan 3, 1996 · N772UA · Boeing 777222 · AC Generator-AlternatorSDR 95UAL900344B-Nut · looseSMOKE AND ODOR IN CABIN. SMOKE DUE TO INGESTION OF HYDRAULIC FLUID INTO APU AIR INLET. LOOSE B-NUT ON RETURN LINE FOR RUDDER LOWER POWER CONTROL UNIT DETERMINED TO BE SOURCE OF LEAK. B-NUT TIGHTENED, OIL RESIDUE CLEANED UP AND PNEUMATIC AND AIR CONDITIONINGDec 26, 1995 · N771UA · Boeing 777222 · Rudder Control SystemSDR 95UAL900165Oil Quantity · depletedCREW REPORTED, NR 2 ENG OIL QTY DROPPED TO 5 QTS AND LOST 2 QTS IN A HALF HOUR. NR 2 ENGINE REDUCED TO IDLE, DIVERTED TO DORVAL, MONTREAL AND LANDED UNDER AMBER ALERT.Oct 2, 1995 · N770UA · Boeing 777222 · Turbine Engine Oil SystemSDR 95UAL900112Pack · failedAIRCRAFT LOST RIGHT A/C PACK, AS RESULT OF ROUTE CHANGE. AIRCRAFT DIVERTED INTO LHR FOR FUEL.Aug 30, 1995 · N777UA · Boeing 777222 · Cabin Cooling SystemSDR 95UAL900042Fire Warning · malfunctionedAPU FIRE DETECTION SYSTEM FAILED FIRE OVERHEAT TEST. UNABLE TO DUPLICATE FAULT, PROBLEM HAS NOT REOCCURRED.Jul 17, 1995 · N768UA · Boeing 777222 · Fire DetectionSDR 95UAL900044Tilt Actuator · failedAFTER TAKEOFF RIGHT MLG DOOR WOULD NOT CLOSE, RETURNED TO FIELD. *S/D* FOUND RT MLG TRUCK TILT ACTUATOR BYPASSING. REPLACED SAME, SWUNG GEAR OPERATES NORMAL.Jul 17, 1995 · N769UA · Boeing 777222 · Landing Gear Retraction/Extension SystemSDR 95UAL900030Circuit Breaker · damagedA/C RETURNED TO FIELD WITH LEFT ENGINE EEC AND BLEED PROBLEMS. REPLACED CIRCUIT BREAKER AND WIRE. PER BOEING ANALYSIS THE SCREW HOLDING THE WIRES IN THE CIRCUIT BREAKER WAS CROSS THREADED AND WAS NOT HOLDING THE WIRES SECURE.Jul 3, 1995 · N767UA · Boeing 777222 · Electrical Power SystemSDR 95UAL900029Anti Ice Vlv · inopRIGHT ENGINE ANTI-ICE VALVE INOP.Jun 30, 1995 · N777UA · Boeing 777222 · Engine Anti-Icing SystemSDR 95UAL777001Retract Mech · malfunctionedON TAKEOFF GEAR WOULD NOT RETRACT, WOULD RAISE WITH OVER RIDE SWITCH.Jun 2, 1995 · N767UA · Boeing 777222 · Landing Gear Retraction/Extension System
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