N557AS

Service difficulty reports · 525

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 = 'N557AS' 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 ASAA2021093036336Transition Panel · corrodedAFT CARGO COMPARTMENT RH TRANSITION PANEL IS CORRODED AT APPROXIMATELY STA 767 TO 727I+10. DOT: C535. GROUNDED - YES. REMOVED DAMAGE R/H TRANSITION PANEL STA 767 TO 727 I+10; ORIGINAL THICKNESS:.040 REMOVED .07 REMAINING .033, FOUND TO BE OUT OF LIMITS PER B73Sep 30, 2021 · N557AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2021093036335Transition Panel · corrodedAFT CARGO COMPARTMENT LH TRANSITION PANEL IS CORRODED AT APPROXIMATELY STA 727D+10 TO 727. DOT: C541. GROUNDED - YES. REMOVED DAMAGE LH TRANSITION PANEL STA 727D+10 TO 727; ORIG MAT. 0.040: REMOVED 0.011; REMAIN 0.029 FOUND TO BE OUT OF LIMITS PER B737-800 SRMSep 30, 2021 · N557AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2021093036334Transition Panel · corrodedAFT CARGO COMPARTMENT LH TRANSITION PANEL IS CORRODED AT APPROXIMATERLY STA 727J+10 TO 727D+10 DOT: C536. GROUNDED - YES. REMOVED CORROSION ON LEFT TRANSITION PANEL STA 727J+10 - 727D+10: ORIG MAT THICKNESS 0.040; REMOVED 0.007; REMAINING MAT. 0.033 AND IS FOUSep 30, 2021 · N557AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2021093036333Transition Panel · corrodedAFT CARGO COMPARTMET LH TRANSITION PANEL IS CORRODED AT APPROXIMATELY STA 807 TO 757. DOT:C531. GROUNDED - YES. REMOVED DAMAGE LH TRANSITION PANEL BETWEEN STA 757- STA 807; ORIG MAT THICKNESS 0.040; REMOVED 0.012; REMAINING 0.028 AND IS FOUND TO BE OUT OF LIMISep 30, 2021 · N557AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2021093036301None · corrodedAFT CARGO COMPARTMENT RH SHIELD AND GUSSET IS CORRODED APPROXIMATELY AT STA 793 TO 767. DOT: C532. GROUNDED - YES. REMOVED AND REPLACED WITH NEW SHEILD AND GUSSET IAW B737-800S SRM 51-40-02. LOCATED, DRILLED, COUNTERSINKED AND DEBBURED NEW SHEILD AND GUSSET IASep 30, 2021 · N557AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2021093036242Threshold · corrodedAFT CARGO DOOR THRESHOLD WEB HAS CORROSION DOT: C529. GROUNDED - YES. REMOVED CORR. FROM AFT CARGO DOOR THRESHOLD WEB ORIG THICKNESS .050 IAW B737-800 SRM 53-60-15, MAT LOSSED .008 REMAINING THICKNESS .042 FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15,USep 30, 2021 · N557AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2021091235930Processor · faultedON ARRIVAL BELOW 10K' FT OUR CENTER FUEL QTY AND TOTAL FUEL QTY WENT BLANK < 5 SECONDS THEN PROPERLY DISPLAYED QTY'S. GROUNDED - YES. ACCOMPLISHED FQIS BITE REF B737-800 FIM 28-41 TASK 801. TESTS PASS. LAST LEG AND SEVERAL LEGS LOGGED 28-41309 FOR FQI PROCESSOSep 12, 2021 · N557AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2021073035584Light · faulted#1 HF/SAT XFER SWITCHLIGHT HF LIGHT IS NOT ILLUMINATED BULBS TEST OK. GROUNDED - YES. CYCLED AIRCRAFT POWER HF1 LIGHT STILL WONT ILLUMINATE. CREW PERFORMED HF1 TRANSMIT AND RECEIVE TEST AND NO DEFECTS NOTED OTHER THEN LIGHT WONT ILLUMINATE. TROUBLESHOT ISSUE TJul 30, 2021 · N557AS · Boeing 737890 · HF Communications SystemSDR ASAA2021070635225Web · gougedDAMAGED WEB R/H SIDE OF E&E DOOR SURROUND STRUCTURE GROUNDED - YES. REPLACED WEB SECTIONJul 6, 2021 · N557AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2021041634597Wire Harness · inoperativeWHILE INSPECTING #1 ENGINE CORE WIRING FOR DEFECT 60125716, FOUND UNAUTHORIZED REPAIRS ON J9 AND J10 HARNESSES IN HOT SECTION. GROUNDED - YES. REMOVED AND REPLACED J9 AND J10 HARNESSES REF B737-800 AMM 73-21-06. PERFORMED FADEC SYSTEM TEST REF AMM 73-21-00-700Apr 16, 2021 · N557AS · Boeing 737890 · Engine Fuel System WiringSDR ASAA2021041534607Harness · broken#1 ENGINE BAD A LOOP FIRE TEST. GROUNDED - YES. PERFORMED ENGINE FIRE DETECTION OPERATIONAL TEST REF B737-800 AMM 76-11-00, OP CHECK GOOD. DUE TO RECENT FAULT HISTORY, PERFORMED TROUBLESHOOTING HIERARCHY PER B737-800 FIM 26-10 TASK 805. FOUND BROKEN WIRE AT Apr 15, 2021 · N557AS · Boeing 737890 · Detection SystemSDR ASAA2021032734457Hmu · faultedREF T/C 78273000, ENG 1 SHORT TIME FAULT 75-20421 THE HMU VBV CONTROL CURRENT IS OUT OF RANGE. FLT LEG 0&1,. GROUNDED - YES. ACCOMPLISHED INTERROGATE THE FMC CDU FOR ENGINE FAULTS FOR #1 ENGINE ESN 895-405 PER T/C 78273000, VERIFIED NO MSG FAULTS LOGGED FOR THMar 27, 2021 · N557AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2021032734456Hmu · faultedREF T/C 78273000, ENG 1 SHORTTIME FAULT 75-20371 THE HMU VSV CONTROL CURRENT IS OUT OF RANGE. FLT LEG 0 &1,. GROUNDED - YES. ACCOMPLISHED INTERROGATE THE FMC CDU FOR ENGINE FAULTS FOR #1 ENGINE ESN 895-405 PER T/C 78273000, VERIFIED NO MSG FAULTS LOGGED FOR THMar 27, 2021 · N557AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2021032734455Hmu · malfunctionedREF T/C 78273000, ENG 1 SHORT TIME FAULT73-20321 THE HMU FMV CONTROL CURRENT IS OUT OF RANGE. FLT LEG 0 &1. GROUNDED - YES. ACCOMPLISHED INTERROGATE THE FMC CDU FOR ENGINE FAULTS FOR #1 ENGINE ESN 895-405 PER T/C 78273000, VERIFIED NO MSG FAULTS LOGGED FOR THEMar 27, 2021 · N557AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2021030134221Modulating Valve · seizedRH PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL, RESETS WHEN MASTER CAUTION LIGHT SWITCH IS PRESSED. GROUNDED - YES. TROUBLE SHOOTING REVEALED THAT RH TEMP CONTROL VALVE HAS FAILED, SEIZED CLOSED. REMOVED AND REPLACED TRIM MODULATING VALVE REF B737-800 AMM Mar 1, 2021 · N557AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2021022634202Bulb · inoperativeL1 SLIDE LIGHT INOP. GROUNDED - YES. RELAMPED.OPS CHECK GOOD IAW B737-800 AMM 33-51-04.Feb 26, 2021 · N557AS · Boeing 737890 · Emergency LightingSDR ASAA2021010233793Coupler · failedHF NR 1 TRANSMIT FUNCTION INOPERABLE, BUT RECEIVED SELCAL ON BOTH HF NR 1 AND HF NR 2, ALSO CANNOT HEAR ANY COMMUNICATIONS ON HF NR 1. GROUNDED-YES. REPLACED NR 1 HF ANTENNA COUPLER, PER B737-800 AMM 23-11-61. OPERATIONS CHECK GOOD.Jan 2, 2021 · N557AS · Boeing 737890 · Communications System WiringSDR ASAA2020123033792Transceiver · malfunctionedHF NR 1 DOES NOT TRANSMIT. RECEIVES, CAN HEAR TRANSMITTER CLICK AND SIDE TONE WHILE ATTEMPTING, SELCAL WORKS. GROUNDED-YES. RERACKED NR 1 HF RECEIVER, REF B737-800 AMM 23-11-21-400-801, OPERATIONS NORMAL, REF AMM 23-11-00-730-801. TRANSMIT AND RECEIVED LOUDec 30, 2020 · N557AS · Boeing 737890 · HF Communications SystemSDR ASAA2020122933787Hf Comm · malfunctionedH1 DOESN'T XMIT. GROUNDED-YES. PERFORMED B737-800 FIM 23-11 TASK 806 HF1 OPERATIONS NORMAL. PERFORMED BITE TEST 23-11 TASK 801, NO FAULTS FOUND. SEAMC MARK NOTIFIED.Dec 29, 2020 · N557AS · Boeing 737890 · HF Communications SystemSDR ASAA2020121233674Warning Light · false activationELEC LIGHT ILLUMINATED UPON MASTER CAUTION RECALL, AFTER ENGINE START AND TRANSFER BUSSES COVERED BY RESPECTIVE ENGINE GEN. GROUNDED-YES. PERFORMED ELEC LIGHT BITE TEST, PER B737-800 FIM 24-31 TASK 801, FAULT CLEARED. FOUND FAULTS APU BATTERY AUX CHARGER, SDec 12, 2020 · N557AS · Boeing 737890 · Central WarningSDR ASAA2020112933608Control Valve · faultedCONT CAB ZONE TEMP LIGHT ILLUMINATED. LIGHT TURNS OFF AFTER MASTER CAUTION RESET. GROUNDED-YES. BITE CHECKED NR 2 ZTC. FAULTS CONT CABIN TRIM VALVE, REF B737-800 FIM 21-62 TASK 832. PERFORMED VERIFY TEST W/NO DEFECTS NOTED. FAULT RESETS. ETOPS GROUND VENov 29, 2020 · N557AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2020112433590Hf Comm · malfunctionedNR 1 HF DOES NOT TRANSMIT ON EITHER CAPTAIN OR F/O SIDE. GROUNDED-YES. RESOLVED ON W/O: 1853473 TASKCARD: N/R-00002. PERFORMED B737-800 FIM 23-11 TASK 806 INITIAL EVALUATION GOOD. HF1 AND HF 2 OPERATIONS GOOD A/C TO A/C ON BOTH CAPT'S AND F/O'S SIDE. OPERNov 24, 2020 · N557AS · Boeing 737890 · HF Communications SystemSDR ASAA2020111233543Seal · missing6 PLATFORMS MISSING SEALS ON NR 2 ENGINE, S/N 892792 WHILE ACCOMPLISHING TSR710251. GROUNDED-YES. INSTALLED 6 NEW PLATFORMS ON NR 2 ENGINE FAN, PER T/C 78472010.Nov 12, 2020 · N557AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2020110133473Idg · inoperativeAPPROXIMATELY 2:30 INTO OUR FLIGHT AT FL 410. THE NR 2 TRANSFER BUS OFF LIGHT ILLUMINATED BRIEFLY THEN EXTINGUISHED. THIS HAPPENED IMMEDIATELY A SECOND TIME. WE ACCOMPLISHED QRH 6:11 TRANSFER BUS OFF. ONCE THE APU WAS ONLINE AND COVERING THE NR 2 TRANSFER Nov 1, 2020 · N557AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA2020101933390Fmc · malfunctionedF/O NAV DISPPLAY SHOWED MAP FLAG. GROUNDED-YES. ACCOMPLISHED FMC RESET. OPERATIONS NORMAL, REF B737-800 FIM 34-61 TASK 836.Oct 19, 2020 · N557AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2020080423983Drive Unit · malfunctionedWHAT APPEARS TO BE FALSE RETURNS APPEAR APPROX 2 O'CLOCK POSITION BETWEEN 160NM-40NM (RIGHT SIDE OF DISPLAY) AND THEY CONTINUE TO SELF GENERATE IN THE ABSENCE OF ANY SIGNIFICANT WEATHER WHILE AT CRUISE. GROUNDED - YES. INSTALLED NEW WEATHER RADAR R/T. NO HELP.Aug 2, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020032532534Unknown · malfunctionedVTK INTERMITTENTLY DISPLAYS ON FO ND. GROUNDED - YES. ACCOMP FMC BITE TEST FOR BOTH FMC'S BOTH SHOW OK. REF B737-800 FIM 34-61 TASK 801 CHECKED FLT FAULTS. R-FMC HAD PGM FAULT, L-FMC HAD INTERNET-2 FAULT BOTH WERE INTERMITTENT FAULTS. REF FIM 34-61 TASK 807 & Mar 23, 2020 · N557AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2020032432523Probe · hotFMC DATA WOULD NOT LOAD. GROUNDED - YES. FOUND PROBE HEAT ON. TAT PROBE TOO HOT. TURNED OFF PROBE HEAT AND AFTER COOL DOWN DATA LOADED PROPERLY.Mar 23, 2020 · N557AS · Boeing 737890 · Pitot/Static Anti-Ice SystemSDR ASAA2020032432521Unknown · malfunctionedRADAR IN AUTO MODE IS DISPLAYING RED RETURNS. WHAT WE BELIEVE IS THE GROUND OFF TO THE RIGHT SIDE OF THE AIRCRAFT. ALSO SEEMS TO OCCUR ODD. NOW RETURNS ON THE LEFT SIDE OF DISPLAY. NO ACTUAL WX IN THE AREA. GROUNDED - YES. ACCOMPLISHED WEATHER RADAR BITE PROCEMar 23, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020032032476Battery · faulty"ELEC" LIGHT ILLUMINATED ON OVERHEAD ELECTRICAL PANEL ACCOMPLANIED BY LIGHT ACRID SMELL IN FLIGHT DECK. GROUNDED - YES. R&R MAIN BATTERY CHARGER REF B737-800 AMM 2-31-21, AUX BATTERY CHARGER REF AMM 24-31-31, MAIN AND AUX BATTERIES REF AMM 24-31-11. ACCOMPLISHMar 19, 2020 · N557AS · Boeing 737890 · Battery/Charger SystemSDR ASAA2020031932470Charger · faultyAFTER START RECALL, ELEC LIGHT REMAINED ILLUMINATED. GROUNDED - YES. PERFORMED BITE PER B737-800 FIM 24-31 TASK 801. FOUND BATT CHARGER FAULT. RESET PER FIM 24-31 TASK 829. OPS CHK NORMAL.Mar 18, 2020 · N557AS · Boeing 737890 · Battery/Charger SystemSDR ASAA2020031932471Charger · failedAFTER PARKING AT GATE AN ACRID SMELL DEVELOPED IN THE MAIN CABIN AND FLIGHT DECK. GROUNDED - YES. PERFORMED SMOKE OR FUMES CONDITIONAL INSP IAW B737-800 AMM 05-51-56 AND FOUND THE AUX BATTERY CHARGER INOP. REMOVED AND REPLACED THE AUX BATTERY CHARGER IAW AMM 2Mar 17, 2020 · N557AS · Boeing 737890 · Battery/Charger SystemSDR ASAA2020031832459Filter · dirtyCONT CAB ZONE TEMP. GROUNDED - YES. RELEASED PER MEL 21-21G. FLT DECK PRIMARY TEMP CONTROL INOP. CONTROL CABIN TEMP SENSOR FILTER CLEANED REF B737-800 AMM 21-61-06-000-801. ACCOMPLISHED TEMP CONTROL TEST AMM TASK 21-61-00-700-807-002 AND PACK/ZONE TEMP CONTROLMar 16, 2020 · N557AS · Boeing 737890 · Cabin Temperature SensorSDR ASAA2020031632410Unknown · malfunctionedRADAR DISPLAYED FALSE RETURNS IN AUTO MODE. RADAR APPEARED TO WORK NORMALLY IN MANUAL MODE. GROUNDED - YES. PERFORMED GOOD OPS TEST OF WXR RADAR SYSTEM PER B737-800 AMM 34-43-00-710-802. PERFORMED GOOD SYSTEM TEST OF WEATHER RADAR SYSTEM PER AMM 34-43-00-730-8Mar 10, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020032032477Blower · faultyFOLLOW-UP TO HISTORY OF WEATHER RADAR FALSE RETURNS.#PRI2/ETOPS. GROUNDED - YES. COMPLIED WITH TSR, STEP 2. ACCOMPLISHED RADOME MOISTURE TEST USING MOISTURE INDICATOR/REGISTER TOOL P/N 0-1300-0-1349, SHOWS GREEN. ALSO, REMOVED & REPLACED WEATHER RADAR R/T MOUNMar 7, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020030932385Unknown · malfunctionedIN AUTO RADAR DEPICTS CONT STRONG FALSE RETURN FROM ONE TO THREE O'CLOCK POSITION IN AL MODES, GAINS, AND TILTS. GROUNDED - YES. REPOSITIONED A/C TO RUN RADAR, PAINTS TERRAIN CORRECTLY, NO INAPPROPIATE RETURNS, REF B737-800 AMM 34-30-00. OPS NORMAL.Mar 7, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020022422237Electrical Sys · malfunctionedWITH THE APU SUPPLYING ELECTRIC POWER WITH THE APU GENERATOR THE VOLTS AND FREQ DROPPED TO ZERO THEN RETURNED TO NORMAL. GROUNDED - YES. PERFORMED APU GCU BITE REF B737-800 FIM 24-21 TASK 801, NO FAULTS FOUND. ALSO PERFORMED APU BITE WITH CDU REF B737-800 AMM Feb 22, 2020 · N557AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA2020022412239Indication Sys · malfunctionedIN CRUISE OVER A THREE HOUR PERIOD #1 MAIN TANK FUEL INDICATION DROPPED FROM 8.62 DOWN TO 8.35. #2 MAIN TANK REMAINED FULL. CROSS FEED FUNCTION NORMAL. RAMP FUEL IN LIH WAS 41.5 WITH BOTH MAIN TANKS FULL AND THE REMAINING FUEL IN CENTER TANK. FF ON #1 ENGINE WFeb 21, 2020 · N557AS · Boeing 737890 · Fuel Quantity IndicatorSDR ASAA2020012403905Hf Comm · malfunctionedHF #1 AND HF #2 NO COMM, WE COULD HEAR THE SIDE TONE CHANGING FREQS. BUT WE COULD NOT MAKE CONTACT WITH SFO RADIO OR HEAR OTHER AIRCRAFT. GROUNDED - YES. DIVERSION TIME 53 MINUTES - ACCOMPLISHED B737-800 FIM 23-11 TASK 806 & AMM 23-11-00-710-801, CONTACTED SFOJan 20, 2020 · N557AS · Boeing 737890 · HF Communications SystemSDR ASAA2020011031822Drive Unit · faultyRADAR PAINTS BAND OF CLUTTER BETWEEN 30-50 MILES IN AUTO. GROUNDED - YES. REMOVED AND REPLACED WEATHER RADAR R/T IAW B737-800 AMM 34-43-41, AND REMOVED AND REPLACED WEATHER RADAR ANTENNA DRIVE UNIT IAW AMM 34-43-11. OPS CKS GOOD IAW AMM 34-43-00.Jan 8, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020010831805Control Panel · malfunctionedAT CRUISE WITH RADAR SELECTED IN MANUAL TILT -Z NON EXISTENT BAND OF WX/CLUTTER FROM 60NM TO 80NM (GREEN) IN AUTO TILT 52ME BAND APPEARS AT 60NM TO 80NM EXCEPTIN RED. TILT APPEAR TO OPERATE NORMALLY ON APPROACH TO MAUI. GROUNDED - YES. VERIFIED TILT WAS DOWN MJan 6, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020010831782Unknown · malfunctionedWEATHER RADAR TILT APPEARS MISCALIBRATED. DURING CRUISE AT FL370 AUTO TILT MODE WAS DISPLAYING -2 DEGREES BUT PRODUCED GROUND RETURNS AT 30 MILE RANGE. UPON LANDING RECEIVED "PWS FAIL", "WXR FAIL" AND "RT ATT" ANNUNCIATIONS ON RADAR DISPLAY. GROUNDED - YES. PEJan 5, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020010631781Drive Unit · stuckWITH WX RADAR IN AUTO/WX+T MODE THE WXR FAIL ANNUNCIATION ILLUMINATED FOLLOWED BY A VIBRATION FELT ON FLIGHT DECK ALONG WITH A NOISE THAT SUGGESTS RADAR WAS STUCK AND UNABLE TO SWEEP. ANNUNCIATION EXTINGUISHED AND BOTH VIBRATION AND NOISE STOPPED WHEN THE WX RJan 4, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020010631785Warning System · false activationWHEN WX OR WX+T BUTTON SELECTED "WXR FAIL" APPEARS BOTH CAPT AND FO SIDE. GROUNDED - YES. CYCLED C/B FOR WXR PER B737-800 AMM 20-60-05. PERFORMED BITE CHECK OF WXR PER B737-800 FIM 34-43 TASK 801. OPS CHECK NORMAL.Jan 2, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020010131760Unknown · malfunctionedWXR FAIL DISPLAYED ON BOTH ND'S WHEN RADAR IS ON. GROUNDED - YES. PERFORMED BITE CHECK OF WEATHER RADAR SYSTEM, NO FAULTS NOTED OPS CHECK NORMAL PER B737-800 FIM 34-43 TASK 801.Jan 1, 2020 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2019122081647Battery Pack · no testM1694 AND M1670 EMERGENCY BATTERY PACKS FAILED CHARGING CAPACITY GROUNDED - YES. REMOVED, REPLACED AND PERFORMED SUCCESSFUL SYSTEM OP CHECK ON EMERGENCY BATTERY PACKS M1694 AND M1670 IAW B737NG AMM 33-51-06-960-805.Dec 18, 2019 · N557AS · Boeing 737890 · Emergency LightingSDR ASAA2019111271278Actuator · inoperativeLEFT PACK LIGHT IS ILLUMINATED DURING PREFLIGHT - RESETS WITH PRESS OF MASTER RECALL. GROUNDED - YES. CONFIRMED FAULT, L/H PACK LIGHT ILLUMINATES WHEN RECALL PRESSED. L/H PACK/ZONE TEMP CONTROLLER SHOWS HARD FAIL L/H RAM AIR INLET ACTUATOR. REMOVED & REPLACED Nov 7, 2019 · N557AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019092030759Warning System · false activationPUSHING MASTER CAUTION RECALL THE RIGHT PACK LIGHT ILLUMINATES. WHEN PUSHING THE MASTER CAUTION RESET THE RIGHT PACK LIGHT EXTINGUISHES, PER QRH 2.12, PACK (800/900) " NO FURTHER ACTION REQUIRED" (SEA MNT - DISPATCH + FLIGHT FODO NOTIFIED VIA SATCOM @ 19:30Z).Sep 20, 2019 · N557AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019090330604Computer · malfunctionedON TAXI IN BOTH VTK FLAGS SHOWED UP FOR ABOUT 10 SECONDS THEN WENT OUT. GROUNDED - YES. FMC BITE SHOWS RESYNC - A - RAM FAULT. RESET & BITE FMCS COMPUTERS REF FIM 34-61 TASK 837. GROUND VERIFICATION TEST NORMAL.Sep 3, 2019 · N557AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA201908230450Fire Detector · no testNUMBER 1 ENGINE FIRE PULL HANDLE & ENGINE / OVERHEAT LIGHTS DO NOT ILLUMINATE DURING FIRE TEST. GROUNDED - YES. ACCOMPLISHED ENGINE/APU FIRE DETECTION CONTROL MODULE BITE PROCEDURE. INSPECTED AND FOUND #1 ENGINE UPPER FAN FIRE DETECTOR INOP. RMVD AND INSTALLEDAug 21, 2019 · N557AS · Boeing 737890 · Smoke Detection
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