N7446U, cancelled Sep 15, 2009

Service difficulty reports · 17

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

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 n_number = 'N7446U' AND deregistration_id = 'N7446U-2009-09-15'
  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 2001UALA01308Valve · failedCABIN PRESSURE CANNOT BE MAINTAINED IN DESCENT. *S/D* SUSPECT NR 3 ENG HIGH PRESSURE MODULATING VALVE. REPLACED HIGH PRESSURE MODULATING VALVE.Jun 28, 2001 · N7446U · Boeing 727222 · Pneumatic Distribution SystemSDR 2001UALA00308Web · crackedLEFT WING TRAILING EDGE VERTICAL SUPPORT WEB HAS CRACK WBL 249.3, INBOARD SIDE OF INBOARD AILERON.Mar 20, 2001 · N7446U · Boeing 727222 · Wing Miscellaneous StructureSDR 2000UALA00786Blade · damagedNUMBER 3 ENGINE HIGH ALTITUDE STALL DURING STEADY STATE OPERATION IN LEVEL FLIGHT. ALTITUDE 33,000 FEET. ENGINE OPERATION AFTER STALL NORMAL. *S/D* DURING BORESCOPE FOUND 13TH STAGE HPC BLADE DISTRESS ON THE NUMBER 3 ENGINE. REMOVED AND REPLACED ENGINE WIDec 10, 2000 · N7446U · Boeing 727222 · Turbine Engine Compressor SectionSDR 2000UALA00527Switch · failedFLIGHT RETURNED TO ORD AFTER LOSS OF BOTH FORWARD AND AFT RIGHT BOOST PUMPS IN THE CENTER TANK. *S/D* PROBABLE CAUSE: BOOST PUMP SWITCHES. REPLACED NR 2 TANK FWD AND AFT BOOST PUMP SWITCHES.Sep 1, 2000 · N7446U · Boeing 727222 · Fuel Boost PumpSDR 99UAL900662Light · inoperativeRIGHT EXTERIOR OVERWING EMERGENCY LIGHTS INOP.Dec 21, 1999 · N7446U · Boeing 727222 · Emergency LightingSDR 99UAL900393Fire Loop · defectiveNR 3 ENGINE SHUT DOWN IN FLIGHT DUE TO STRUT OVERHEAT. RETURNED TO DEN. *S/D* DEFLECTIVE FIRE LOOP AT STUB WING CAUSED THE STRUT OVERHEAT LIGHT TO ILLUMINATE. AIRCRAFT RETURNED TO SERVICE AFTER REPLACEMENT OF FIRE LOOP AND ENGINE RUN UP VERIFICATION.Jul 25, 1999 · N7446U · Boeing 727222 · Fire DetectionSDR 99UAL900394Clamp · looseNR 3 ENGINE STRUT OVERHEAT LIGHT CAME ON. SHUT OFF BLEED AND ANTI-ICE. LIGHT WILL NOT GO OUT. DIVERTED TO CLE. *S/D* TIGHTENED LOOSE CLAMP ON THE 13TH STAGE VALVE AND ONE CLAMP ON THE CHECK VALVE. RAN ALL THREE ENGINES TO TAKEOFF POWER WITH NO STRUT OVERJul 23, 1999 · N7446U · Boeing 727222 · Pneumatic Distribution SystemSDR 99UAL900396Rib · crackedTWO CRACKS WERE DISCOVERED EMANATING FROM TWO FASTENER HOLES OF THE STATION 750.95 RBL 70.5 RIB CHORD UPPER VERTICAL FLANGE. THE AFFECTED UPPER VERTICAL FLANGE WAS TRIMMED OUT AND A REPAIR WAS INSTALLED PER TIMCO REO-06583, REVISION A. THIS REPAIR WHICH IS Jul 16, 1999 · N7446U · Boeing 727222 · Wing, Rib/BulkheadSDR 99UAL900395Spar · chafedTHE VERTICAL STABILIZER MID SPAR CHORD AT FIN STATION 215 ON THE LEFT SIDE WAS FOUND CHAFED TO BELOW THE MINIMUM ALLOWABLE THICKNESS OF THE CHORD. THE DAMAGED AREA WAS CUT OUT AND A REINFORCING REPAIR ANGLE WAS INSTALLED PER TIMCO REPAIR INSTRUCTIONS. THIS Jul 16, 1999 · N7446U · Boeing 727222 · Vertical Stabilizer, Spar/RibSDR 99UAL900370Skin · damagedTHE RIGHT HAND FIXED LEADING EDGE SKIN WAS FOUND WITH CRACKS AT SLAT STATION 105 AND 113. THE STANDARD REPAIR MANUAL REPAIR COULD NOT BE ACCOMPLISHED BECAUSE OF AN ELECTRICAL WIRE BUNDLE IS IN THE WAY. THE DAMAGED SKIN WAS TRIMMED OUT AND INTERNAL REPAIR DOJul 9, 1999 · N7446U · Boeing 727222 · Wing, Plate/SkinSDR 98UAL900610Buffet · defectiveCOFFEEMAKER IN AFT GALLEY SMOKING. *S/D* THE COFFEEMAKER WAS CHECKED FOR PROPER OPERATION. NO SMOKE WAS PRESENT WITH POWER TO THE GALLEY OFF. THE BUFFET WAS REPLACED AT THE TERMINATION OF THE FLIGHT.Dec 22, 1998 · N7446U · Boeing 727222 · Buffet/GalleysSDR 98UAL900383Valve · failedIMMEDIATELY AFTER TAKEOFF, THE NR 3 STRUT OVERHEAT LIGHT CAME ON. SHUT DOWN NR 3 ENGINE AND RETURNED TO LGA. *S/D* REPLACED NR 3 ENGINE 8TH STAGE VALVE.Aug 11, 1998 · N7446U · Boeing 727222 · Pneumatic Distribution SystemSDR 98UAL900065Elbow · brokenFUEL TANK NR 3 BURNS FUEL WHILE IN ALL CONFIGURATIONS DURING CLIMB. NR 3 TANK WAS FULL AND BURNED DOWN ABOUT 700 LBS AND THEN STOPPED. *S/D* THE VENT ELBOW IN THE TANK WAS FOUND BROKEN. REPLACED ELBOW.Feb 13, 1998 · N7446U · Boeing 727222 · Aircraft Fuel Distribution SystemSDR 97UAL900456Duct · brokenWHILE INVESTIGATING NR 2 ANTI-ICING PROBLEM, FOUND BROKEN DUCT FOR RIGHT HAND INLET ANTI-ICE. *S/D* THE DUCT HAD BEEN RUBBING SEVERELY ON THE 6TH STAGE SADDLE DUCT. INSTALLED FIRE LOOP CLIP, INSPECTED SADDLE DUCT AND HIGH PRESSURE DUCT, FOUND THEM IN NORMALJun 12, 1997 · N7446U · Boeing 727222 · Airfoil Anti/De-ice SystemSDR 96UAL900392Switch · wornINFLIGHT EXTENSION OF FLAPS TO FLAPS 5, LEADING EDGE SLAT NUMBER 4 SLOW TO EXTEND. *S/D* REPLACED NR 4 SLAT EXTEND SWITCH DUE TO INTERMITTENT OPERATION.May 31, 1996 · N7446U · Boeing 727222 · Leading Edge Slat Control SystemSDR 96UAL900330Skin · crackedAFT LOWER FUSELAGE OB RT 6 INCHES AFT OF VHF ANTENNA HAS THREE CRACKS IN AN AREA 4 INCHES LONG. *S/D* CRACKS CONFIRMED TO BE BETWEEN .25 TO .38 INCHES LONG EACH. CAUSE CONFIRMED AS CORROSION INTERNALLY IN FUSELAGE SKIN AT FAYING SURFACE OF S-28R AND AT ADJAMay 8, 1996 · N7446U · Boeing 727222 · Fuselage Main, Plate/SkinSDR 95UAL727009Eel Relay · failedEMERGENCY EXIT LIGHTS ON AIRCRAFT INOP. REPLACED RELAY.Jan 19, 1995 · N7446U · Boeing 727222 · Emergency Lighting
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