N594AS

Service difficulty reports · 497

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 = 'N594AS' AND registry_match = 'registration'
  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 ASAA12511481Acm · malfunctionedLEFT PACK LIGHT ILLUMINATED WITH MASTER CAUTION CLIMBING OUT OF 16 000'. THE LT "RAM DOOR FULL OPEN" LIGHT WAS ILLUMINATED. TRIP RESET EXTINGUISHED THE PACK LIGHT FOR 30 SECONDS THEN PACK LIGHT ILLUMINATED. THE LT PACK TEMP READ 32C AND CLIMBED TO 50C. PACApr 29, 2012 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA12511472Fire Detector · failedAPU DETECTED INOPERATIVE LIGHT ON. ACFT GROUNDED. VERIFIED DISCREPENCY, ACCOMPLISHED FIM 26-10-00-810-801, FOUND TAILPIPE DETECTOR BAD AT 16540 OHMS. REPLACED TAILPIPE M1925 DET REF MM 26-15-01. ALL TESTS OPS CHECKED GOOD.Apr 26, 2012 · N594AS · Boeing 737890 · Fire DetectionSDR ASAA12511456Warning Light · false activationON CLIMBOUT, ABOUT FL240 LEFT PACK LIGHT CAME ON. FOLLOWED QRH 2.7, DID A TRIP RESET LIGHT WENT OUT. AFTER 1 MINUTE, LEFT PACK LIGHT CAME BACK ON. FOLLOWED QRH & TURNED ISOLATION SWITCH TO CLOSE AND LEFT PACK OFF. PRESSURE CONTROLLER BITE TEST SHOWS NO FAUApr 25, 2012 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA12511390Wire Harness · out of limitsGE DIAGNOSTICS REPORTS NR 2 ENGINE TREND DATA CONTINUES TO SHOW A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. ACCOMPLISHED T49.5 PROBE & EGT SYS INSPECTION. FOUND PROBES S1 & S4 AND HARNESS CJ10 OUT OF LIMITS.Apr 14, 2012 · N594AS · Boeing 737890 · Engine Indicating System WiringSDR ASAA12511298Blade · damagedNR 2 ENGINE FAN BLADE NR 1 HAS DAMAGE ON L/E. INSPECTED AND BLENDED NR 2 ENG NR 1 BLADE APPROX 1" FROM TIP PER MM 72 21 02 300 801 F00. PERFORMED FLUORESCENT PENETRANT INSP & FOUND NO DEFECTS NOTED REF MM 70 40 01 230 801 F00 & ASA NODT MANUAL SEC 5 6.Mar 25, 2012 · N594AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA12511178Sensor · defectiveON CLIMB FROM 10,000 TO 38,000 AIR COND PACK DIFFERENTIAL EXCEEDED 20 PSI ENG NR 1 N1 = 98.8 ENG NR 2 N1=98.8. LEFT PACK 45 PSI/ RT PACK 23 PSI AT LEVEL OFF 38 000 NR 1 N1=86.6 NR 2 N1 = 86.5 LEFT PACK 25 PSI AT TOP OF DESCENT LEFT = 40.3 RT N1 =40.7 LEFT PAKMar 2, 2012 · N594AS · Boeing 737890 · Pneumatic Indicating SystemSDR ASAA2012031592741Valve · failedNR 1 ENGINE START VALVE WOULD NOT INDICATE OPEN ON NORMAL START. N2 INDICATED. ACFT GROUNDED. R & R 1 ENGINE START VALVE REF MM 80-11-03. NO LEAKS NOTED. OPS CHECKED ENGINE START VALVE NORMAL WITH ENG RUN.Mar 1, 2012 · N594AS · Boeing 737890 · Engine Start Valves/ControlsSDR ASAA12511181Engine · unknownCLIMBING THRU FL 260 NR 1 ENG EXPERIENCED LOTC. DIVERSION TIME: 28 MINUTES. MESSAGE 73 10331 RECORDED ON PREVIOUS LEG FOUND WHEN CHECKING EXCEEDANCES ON NR 1 ENG. REPLACED NR 1 ENGINE PER T/C 78471000.Mar 1, 2012 · N594AS · Boeing 737890 · Engine (Turbine/Turboprop)SDR ASAA12511079Control Valve · defectiveDURING CLIMB LEFT PACK LIGHT ILLUMINATED. FOLLOWED QRH AND ATTEMPTED 2 RESETS PER MAINT CONTROL. PACK LIGHT EXTINGUISHED AND RE ILLUMINATED BOTH TIMES. LEFT RAM AIR DOOR LIGHT ILLUMINATED. DIVERSION TIME: 31 MINUTES. PERFORMED PROPER FIM FOR CLIMBOUT 21 5Feb 11, 2012 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA12511065Unknown · malfunctionedFMC DISAGREE LIGHT ON AFTER EXTENDING FLAPS. ACCOMPLISHED QRH LIGHT WENT OUT.Feb 7, 2012 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA12511068Unknown · malfunctionedPASSING SEDAR FIX COULD NOT RECEIVE SFO RADIO ON THE HF 1 OR 2 . COULD HEAR OUR OWN SIDE TONE WHEN TRANSMITTING AND SFO REPORTED TO OTHER FLIGHTS THAT THEY WERE RECEIVING US. NOTE: PRIOR TO PUSH AND AFTER RADIO CHECK ON THE GROUND IN SEA THE EXTERNAL PWR WAFeb 7, 2012 · N594AS · Boeing 737890 · HF Communications SystemSDR ASAA12511070Shutoff Valve · wornIN CRUISE DUCT PRESSURE DIFFERENTIALS EXCEEDING 20 PSI LEFT 45 PSI RT 23 PSI 3+30 INTO FLIGHT. AT TOP OF DESCENT LEFT 42 RIGHT 26. GROUNDED YES. PERFORMED ENGINE BLEED AIR/PRECOOLER CONTROL VALVE SYSTEM HEALTH CHECKS. PRSOV VALVE SHAFT BEARINGS WORN PREVEFeb 6, 2012 · N594AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA12511039Wire · damagedCARGO WARNING TEST WAS UNSUCCESSFUL. FOUND A WIRE DAMAGED BETWEEN D13844 AND D13846 FOR A1 SMOKE DETECTOR IN FWD AFT PIT. REPAIRED WIRE AND OPS CHECK GOOD REF WDM 36 16 22 SWPM 20 30 12 26 16 00 710 801 CARGO BAY SMOKE DET OPS TEST.Feb 2, 2012 · N594AS · Boeing 737890 · Fire Protection System WiringSDR ASAA12511026Lens · out of positionLENS COVER EMERG EXIT LIGHT IN CEILING AFT FELL OFF. INSTALLED LENS AS REQUIRED.Feb 1, 2012 · N594AS · Boeing 737890 · Emergency LightingSDR ASAA12510990Control Valve · malfunctionedPASSING APPROXIMATELY 2000FT AFTER TAKEOFF AT ANC THE RIGHT PACK LIGHT ILLUMINATED THE PACK QRH CHECKLIST WAS ACCOMPLISHED THE PACK LIGHT EXTINGUISHED WHEN THE MASTER CAUTION SYSTEM WAS RESET. PERFORMED BITE CHECK OF BOX FOUND RIGHT TCU FAULT LIGHT ILLUMINATEJan 24, 2012 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA12510958Actuator · malfunctionedRIGHT PACK LIGHT ILLUMINATION DURING MASTER CAUTION RECALL EXTINGUISHES WHEN MASTER CAUTION SYSTEM RESET PER QRH. NR 2 TEMP CONTROLLER LOGGED RAM AIR ACTUATOR FAULT. REPLACED RT RAM AIR INLET ACTUATOR. REF MM 21 51 21. OPS NORMAL PER SAME.Jan 18, 2012 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA11510868Unknown · malfunctionedON LANDING IN ANC PRESSED RECALL PER LANDING CHECK LIST M/C LIGHT CAME ON RIGHT PACK AMBER LIGHT ON M/C RESET LIGHT OUT. RAN BITE TEST FOUND RT PACK RAM AIR ACT LIGHT. RAN GROUND VERIFY PROBLEM CLEARED. RERAN BITE TEST GOOD. OK FOR SERVICE.Dec 28, 2011 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA11510835Unknown · malfunctionedFMC DISAGREE DISPLAYED ON GROUND. ACCOMPLISHED QRH PROCEDURE. MSG NO LONGER DISPLAYED. OPS NORMAL.Dec 20, 2011 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA11510784Valve · malfunctionedLEFT PACK LIGHT ILLUMINATED ON TAXI WOULD NOT RESET WHEN FLAPS RETRACTED LIGHT EXTINGUISHED. ACCOMPLISHED PACK/ZONE TEMP CONT BITE REF FIM TASK 21-62-00-810-801. FOUND THE TCV FAULT ON THE NR 1 TEMP CONT. CLEARED FAULT OPERATED A/C PACKS & LOWERED FLAPS TO Dec 11, 2011 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA11510747Sign · unsecureAFT OVERWING EMERGENCY SIGN FELL OFF MOUNTING. RESECURED SIGN, OK FOR SERVICE.Dec 2, 2011 · N594AS · Boeing 737890 · Emergency LightingSDR ASAA11510649Unknown · malfunctionedFMC DISAGREE MESSAGE ON FMC DURING TAXI OUT SMF. ACCOMPLISHED QRH PROCEDURE AND MESSAGE DISAPPEARED. OPS NORMAL.Nov 12, 2011 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA11510636Eec · faultyBOXED A/T LIM ON UPPER DISPLAY ILLUMINATED. NO OTHER LIGHTS ILLUMINATED. ACCOMP FIM 22 32 TASK 815 AND A/T BITE PER FIM 22 31 TASK 801. INFLIGHT FAULTS FOR LEG 1 HAS MAINT MSG 22 31411 EEC 1B FAILURE. ACCOMP FIM 22 31 TASK 806 AND EEC BITE PER FIM 73 00 TSNov 7, 2011 · N594AS · Boeing 737890 · Fuel Control/Turbine EnginesSDR ASAA11510617Warning System · false activationLEFT PACK LIGHT ILLUMINATED DURING RECALL. TESTED PACK CONTROLLER LT SIDE HAD A TCV SENSOR FAULT. RESET CONTROLLER AND RAN SYSTEM IAW AMM 21 00 00 800 803 AND 21 00 00 800 804. GROUND FUNCTIONAL CHECK GOOD. NO FAULTS ON RECALL. RETESTED SYSTEM CONTROLLER Nov 5, 2011 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA11510552Cover · crackedFLOOR STRIP LIGHTING COVER CRACKED IN F/C. REPLACED PHOTOLUMINESCENT STRIP LIGHTING. REF: AMM 33 51 15 960 801. SEAMC NOTIFIED.Oct 19, 2011 · N594AS · Boeing 737890 · Emergency EquipmentSDR ASAA1150460Battery · dischargedNO VOLTAGE TO BATTERY. REPLACED THE MAIN AND AUX BATTERY REF AMM 24 31 11, OPS CHECK NORMAL.Oct 2, 2011 · N594AS · Boeing 737890 · Battery/Charger SystemSDR ASAA11510367Unknown · malfunctionedFMC DISAGREE ON TAXI. ACCOMPLISHED QRH PROCEDURE. LIGHT EXTINGUISHED. OPS NORMAL.Sep 14, 2011 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA11510291Unknown · malfunctionedFMC DISAGREE LIGHT DURING TAXI. PERFORMED QRH PROCEDURE. CLEARED LIGHT.Aug 22, 2011 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA11510192Unknown · malfunctionedF/O CDU INOP. RESET F/O'S FMC CDU AND OPS TEST NORMAL PER FIM 34 61 TASK 801.Aug 1, 2011 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA1159896Unknown · malfunctionedDURING CLIMB AUTOTHROTTLES DISENGAGED. PRIOR TO DISENGAGING NR 1 THROTTLE INCREASED N1 BY 1.8 PERCENT. FOUND MSG22 31688 ASM 2 IN FAULT HISTORY PAGE. ACCOMPLISHED FIM TASK 22 32 00 810 819. VERIFIED A/T BITE TORQUE TESTS ARE SATISFACTORY AND NO FAULT MSG PJun 19, 2011 · N594AS · Boeing 737890 · Auto Throttle SystemSDR ASAA1159733Unknown · malfunctionedTR UNIT LIGHT "ON" ON ELECTRICAL PANEL. TR1 AND TR2 ZERO AMPS VOLTS 23. TR3 61 AMPS GOOD VOLTS. FOUND TR1 TR2 & TR3 BREAKERS OPEN AT P91 AND P92 PANELS. VISUALLY INSPECTED INSIDE AND BEHIND P91 & P92 PANELS. NO DEFECTS. PERFORMED TRU INSTALL TEST REF MM 24Jun 1, 2011 · N594AS · Boeing 737890 · DC Generating SystemSDR ASAA1159731Eec · faultyWHILE ACCOMPLISHING T/C 78273000 FOUND EEC FAULTS. REMOVED AND REPLACED NR 1 ENG EEC PER AMM 73 21 60, ALL OPS CHECKS GOOD.May 31, 2011 · N594AS · Boeing 737890 · Fuel Control/Turbine EnginesSDR ASAA1159726Key · malfunctionedCAPTAIN`S FMC DELETE KEY INOP WORKS OK IN ACARS MODE. CAPTAIN`S FMC CDU DELETE BUTTON TESTED AND OPS CHECK GOOD REF MM 34 61 01.May 30, 2011 · N594AS · Boeing 737890 · Central DisplaySDR ASAA1159671Regulator · failedNR 1 ENGINE HIGH STAGE REGULATOR FAILED HEALTH CHECK. REPLACED NR 1 ENG HIGH STAGE REG IAW B737NG AMM 36 11 07 LEAK CHECK GOOD INSTALLATION TEST GOOD. ASA 8130 3 T 20110427 0404.May 18, 2011 · N594AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA1159629Unknown · malfunctionedFMC DISAGREE. INFO NOTED RESET SYSTEM GROUND FUNCTIONAL OPS CHECK GOOD IAW AMM 34 61 00.May 9, 2011 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA1159613Unknown · malfunctionedAUTOFAIL ILLUMINATED ON PRESSURIZATION CONTROL PANEL. SWITCHED PRESS CONTROL FROM AUTO TO MANUAL TO AUTO AUTOFAIL LIGHT EXTINGUISHED. PRESS CTLR NR 1 AND NR 2 SHOW NO EXISTING FAULTS AND NO FAULT HISTORY LOGGED FOR 57 FLTS. TROUBLESHOT PER FIM 21 21 00 810 May 4, 2011 · N594AS · Boeing 737890 · Cabin Pressure Control SystemSDR ASAA1159563Valve · failedLEFT PACK LIGHT ON AFTER START OUT WITH MASTER CAUTION RESET. LEFT PACK/ZONE TEMP CONTROLLER FAULTED TCV THIS PACK. REPLACED LEFT TCV V139 REF MM 21 51 10. GROUND VERIFICATION TEST NORMAL REF MM 21 51 10.Apr 30, 2011 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA1159524Wire Harness · defectiveLEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED ON TAKEOFF. REMAINED ON AFTER 3- 5 MIN COOL DOWN. REPLACED SLIDING WINDOW HARNESS W/S HEAT OPS OK.Apr 23, 2011 · N594AS · Boeing 737890 · Ice/Rain Protection System WiringSDR ASAA1159192Unknown · malfunctionedON PREFLIGHT NR 2 DRIVE LIGHT NOT ILLUMINATED. RAN NR 2 ENG DRIVE LIGHT CAME ON NORMALLY AT SHUTDOWN. OPS CHECK NR 2 ENG DRIVE LIGHT GOOD. GND VERIFICATION CHECK GOOD. REF MM 24 11 00/501.Mar 8, 2011 · N594AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA1159047Unknown · malfunctionedCONT CAB "ZONE TEMP" LIGHT ILLUMINATED DURING MASTER CAUTION RECALL ON AFTER START CHECKLIST IN SEA. "ZONE TEMP" LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. ACCOMP BITE CHECK OF THE PACK/ZONE TEMP CONTROLLERS REF M/M 21 61 00 810 801 SHOWED FLT DECK TRIM Feb 15, 2011 · N594AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA1159033Apu · malfunctionedFAINT DIRTY SOCK ODOR DETECTED IN FLIGHT DECK ONLY ON DESCENT AS WE PASSED THROUGH APPROXIMATLY 8000 MSL.ODOR DISSIPATED BY 5000 MSL AND FLIGHT ATTENDANTS REPORTED NO ODORS IN CABIN. REMOVED APU COMBUSTOR DRAIN & FOUND CONTAMINATED WITH OIL. REPLACED THE APUFeb 13, 2011 · N594AS · Boeing 737890 · APU Core EngineSDR ASAA1159024Starter · failedDURING NR 2 ENGINE START N2 REACHED 22 PERCENT THEN STARTED TO DECREASE ABORT ENGINE NR 2 START. AFTER ATTEMPTED ENG NR 2 START BLEED AIR GOOD START VALVE OPEN LIGHT NORMAL LOUD WHINE FROM NR 2 ENG STARTER 6 PERCENT N2 MAX SUSPECT BAD STARTER. REPLACED NR 2 Feb 11, 2011 · N594AS · Boeing 737890 · Engine StarterSDR ASAA1058702Unknown · malfunctionedON PUSHBACK "FMC DISAGREE" IN SCRATCH PAD. QRH FOLLOWED. PROBLEM RESOLVED. CHECKED HISTORY IN LAST 30 DAYS, NO HISTORY FOUND.Dec 26, 2010 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA1058644Transmitter · failedDURING TAXI OUT THE NR 2 ENGINE OIL FILTER BYPASS LIGHT CAME ON TWICE THEN WENT OUT. REPLACED SCAVENGE OIL FILTER CLOGGING TRANSMITTER REF MM 79 21 07 000 801 F00 & 79 21 07 400 801 F00. RAN MOTOR FOR 5 MIN OPS CHECK & LEAK CHECK GOOD. NEW FILTER & O-RINGS Dec 17, 2010 · N594AS · Boeing 737890 · Engine Oil PressureSDR ASAA1058318Keyboard · inoperativeNR 2 FMC NR 1 BUTTON DOES NOT CLICK WHEN PRESSED LIKE OTHER KEYS RESULTING IN KEYSTROKE ERRORS, CONFIRMED. REMOVED & REPLACED F/O'S MCDU KEYBOARD REF MM 34-61-01-000-801 & 34-61-01-400-801. OPS NORMAL PER SAME. OPENSep 30, 2010 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA1058306Shaft · dirtyON CLIMBOUT RIGHT PACK LIGHT ILLUMINATED LIGHT WENT OUT AFTER TRIP RESET. RIGHT PACK LIGHT ILLUMINATED AGAIN AT 19 000 FOLLOWED QRH AND LIGHT EXTINGUISHED RIGHT RAM AIR DOOR LIGHT REMAINED ON RAM AIR DOOR LIGHT EXTINGUISHED RETURNED PACK AND ISOLATION VALVE TSep 26, 2010 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA1058286Filter · cloggedAPU FAULT LIGHT ON APU START. MAINT MSG 49 94299 STARTER GEN OIL FILTER SHOWS CLOGGED. PERFORMED FIM TASK REF 49 90 00 810 809. REPLACED STARTER GENERATOR FILTER ELEMENT AND LUBE FILTER ELEMENT. RAN APU NO FAULTS NO MAINT MSG'S OP'S CK NORMAL. REF MMS 49 Sep 18, 2010 · N594AS · Boeing 737890 · APU Oil SystemSDR ASAA1058284Hf Comm · malfunctionedNR 1 HF TESTED NORMALLY NR 2 HF GARBLED & UNREADABLE. PERFORMED BITE TEST ON NR 2 HF XCVR TEST NORMAL REF AMM 23 11 00 710 801. PERFORMED HF COMMUNICATION SYS TEST ON NR 2 HF WHILE PERFORMING NR 2 HF RADIO CHECK VOICES CAME IN CLEAR AND READABLE OPS NORMAL RSep 18, 2010 · N594AS · Boeing 737890 · HF Communications System
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