N483AS

Service difficulty reports · 179

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 = 'N483AS' 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 ASAA2021112336711Unknown · unknownRIGHT PACK LIGHT ILLUMINATED AFTER START ON RECALL, AND EXTINGUISHES WHEN RECALL IS PUSHED. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 21-53 TASK 821, INITIAL BITE ON R PFTC FAULTED TCV, FAULT NOT ACTIVE AFTER RESET R PFTC, RAN BOTH PACKS TO FULL COOL & FULL WANov 23, 2021 · N483AS · Boeing 737990ER · Cabin Pressure Control SystemSDR ASAA2021110136481Antenna · failedPWS FAIL & WXR FAIL ON ND. GROUNDED - YES. (RESOLVED ON W/O: 1890374 TASKCARD: N/R-00001 ) REMOVED AND REPLACED TRANSCEIVER WEATHER RADAR IAW B737-900 AMM 34-43-41/401. (NOTE: ADM PLUMBING NOT DISTURB). REMOVED AND REPLACED WXR ANTENNA DRIVE UNIT IAW AMM 34-43Nov 1, 2021 · N483AS · Boeing 737990ER · Independent Position Determining SystemSDR ASAA2021102136378Unknown · unknownHAD TO RESET SATCOM PER QRH 5.4 SATCOM LOCKIP CHECK LIST. GROUNDED - YES. VERIFIED SAT PROMPT IS PRESENT. REF. B737-900 FIM 23-15 TASK 801.Oct 21, 2021 · N483AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021102136375Valve · faultyRIGHT PACK LIGHT CAME ON DURING RECALL IN CLIMB OUT. PACK LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1886727 TASKCARD: N/R-00002 ) CONFIRMED RIGHT PACK LIGHT ON RECALL, PZTC BITE SHOWS TCV ON BIT AND PREV FLT, EXTINGUISHES Oct 21, 2021 · N483AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021102136362Spacer · debondedPER T/C 78472010, #2 ENGINE FAN LUBE #3 SPACER ELASTOMER IS DISBONDED. GROUNDED - YES. REPLACED #3 SPACER ON #2 ENGINE REF T/C 78472010.Oct 21, 2021 · N483AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021101636327Spacer · debondedSPACERS #6,8,11 AND 24 ON ENGINE #1 HAVE DISBONDED ELASTOMERS. GROUNDED - YES. REPLACED SPACERS #6,8,11 AND 24 ON ENGINE #1 REF TASK CARD #78472010.Oct 16, 2021 · N483AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021093036123Unknown · unknownCREW REPORTS VTK FLAG ON NAV DISPLAY AFTER LANDING - LEFT SIDE. GROUNDED - YES. LEFT FMC BITE SHOWS FMC-L PGM FAULT AND FMC FAULT FMC-L FMC TO CDU-R ON GROUND. NO OTHER IN FLIGHT FAULTS. RESET #1 FMC. REF B737-900ER FIM 34-61 TASK 837. PERFORMED #1 FMC OPS TESSep 30, 2021 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021090535890Wire Harness · broken#1 FIRE HANDLE NOT LIGHTING UP WITH FIRE TEST. GROUNDED - YES. #1 ENGINE LEFT CORE DETECTOR UPPER HARNESS BROKEN OFF AT LUG. REPLACED HARNESS MW0326 REF B737-900 AMM 26-11-02-400-802 PARA 5. I. OPERATIONAL TEST PASSES REF AMM 26-11-00-710-801. GROUND VERIFICATSep 5, 2021 · N483AS · Boeing 737990ER · Fire DetectionSDR ASAA2021082835817Fmc · faultedFO A/S BUG WOULD NOT RECOGNIZE RTA WPT (YYJ) FMC SPEED CAPT A/S BUG WAS .59 MACH, FO A/S BUG WAS .72 MACH. A/S BUGS WOULD ONLY MATCH WHEN DESIRED SPEED WAS SET INTO VNAV PAGE 2 (CRUISE). GROUNDED - YES. FMC LEFT & RIGHT, NO FLIGHT FAULTS BOTH BOTH OPS NML REF Aug 28, 2021 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021081035672Control Valve · faultedILLUMINATION OF THE RIGHT "PACK" LIGHT DURING MASTER CAUTION RECALL "PACK" LIGHT EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. PERFORMED PTC BITE PROCEDURE ON #2 PZTC. TCV ON #2 PACK PREVIOUSLY. FAULT RESET AND R/H PACK TRIP LIGHT OFF. REF Aug 10, 2021 · N483AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021061735125Sensor · faultedR SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED TURNED WINDOW HEAT OFF & OVERHEAT LIGHT EXTINGUISHED GREEN "ON" LIGHT IS EXTINGUISHED & WILL NOT ILLUMINATE. GROUNDED - YES. ACCOMPLISHED WHCU BITE FOUND WINDOW SENSOR FAULTED. FURTHER INSPECTION OF WINDOW SHOWS DEJun 17, 2021 · N483AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021050634757Radar · malfunctionedRADAR INOP-PAINTS RED AND PURPLE TARGET 0-320 MILE AT THE 1-2 O'CLOCK POSITION. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-43 TASK 802. OPS TEST NORMAL. NO PREVIOUS HISTORY.May 6, 2021 · N483AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2021032934443Fmc · faultedFMC DISAGREE ILLUMINATED ON PUSH. GROUNDED - YES. QRH PROCEDURE ON GROUND WAS COMPLETED.Mar 29, 2021 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021022334183Transceiver · failedNUMBER 1 HF RADIO SHOWS FAILED. GROUNDED - YES. REMOVED AND REPLACED HF1 TRANSCEIVER PER B737-900 AMM 23-11-21-400-801, OPS CHECK NORMAL.Feb 23, 2021 · N483AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021012534007Panel · corrodedFORWARD CARGO TRANSITION PANEL AT RBL 25 CORRODED BETWEEN STA 500B=10 TO STA 500L. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2 REPAIRED TRANSITION PANEL IAW B737-900ER SRM 53-00-53-2R-5W=1.2 O=.040 R=.020 L=2.Jan 25, 2021 · N483AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021012534006Support · corrodedFORWARD CARGO AFT BULKHEAD LWR SUPPORT CORRODED BETWEEN LBL 25 AND RBL 25. GROUNDED - YES. BLENDED CORROSION FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-30-08-1A-1. R & R SUPPORT IAW B737-900ER SRM 51-40-02-0G-0W=3.00 O=.080 R=.000 L=4.00 D=.080.Jan 25, 2021 · N483AS · Boeing 737990ER · Fuselage Main, BulkheadSDR ASAA2021012533970Transition Panel · corrodedFORWARD CARGO TRANSITION PANEL AT LBL 25 CORRODED BETWEEN STA 500D AND STA 500L. GROUNDED - YES. BLENDED CORROSION IAW B737-900ER SRM 51-10-02-0G-0 PT.15 DETERMINED TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-1. REPAIRED CORRODED AREA IAW B737-900ER Jan 25, 2021 · N483AS · Boeing 737990ER · Fuselage Floor PanelSDR ASAA2021012434076Channel · corrodedAFT CARGO, RIGHT SIDE PLATE CHANNEL CORRODED FROM STA 727+4 TO CARGO DOOR GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2. REMOVED AND REPLACED TRANSITION SIDE PLATE CHANNEL IAW B737-900ER SRM 53-Jan 24, 2021 · N483AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2021012434069Shield · corrodedAFT CARGO BAY, FWD DOOR CUTOUT SIDE PLATE CHANNEL CORRODED. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-60-15-1A-1 REMOVED AND REPLACED SIDE PLATE (SHIELDS) IAW B737-900SR SRM 51-40-02-0G-0.Jan 24, 2021 · N483AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2021012434068Channel · corrodedAFT CARGO, LEFT SIDE PLATE CHANNEL CORRODED FROM STA727B TO STA 787. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2 REPAIRED SIDE PLATE CHANNEL IAW B737-900ER SRM 53-00-53-2R-5 REPAIR 5.Jan 24, 2021 · N483AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2021012434067Channel · corrodedAFT CARGO, RIGHT SIDE PLATE CHANNEL CORRODED FROM STA 727+4 TO CARGO DOOR. GROUNDED - YES. REMOVED CORROSION AND CHECK LIMITS FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2, REMOVED AND REPLAECD TRANSITION SIDE PLATE CHANNEL IAW B737-900 SRM 53-00-Jan 24, 2021 · N483AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2020121933716Satcom · malfunctionedWHEN ATTEMPTING TO CALL DISPATCH OVER SATCOM NEITHER SAT 1 OR SAT 2 WORKED. ALL INDICATION WERE NORMAL BUT THERE WAS NO VOICE OR CARRIER. GROUNDED-YES. VERIFIED PREVIOUS TROUBLE SHOOTING, ABLE TO PLACE CALLS TO DISPATCH AND COMMUNICATE, DISPATCH UNABLE TO CDec 19, 2020 · N483AS · Boeing 737990ER · Communications SystemSDR ASAA2020121933711Warning Message · false activationFLT DECK CONT CAB LT ON RECALL. GROUNDED-YES. RIGHT PZTC BITE PER B737-900 FIM 21-62 TASK 801 SHOWED FAULT FOR FLIGHT DECK TEMP CONTROL VALVE, BUT VERIFY TEST PASSED WITH NO FAULTS. NO FAULTS ON LEFT PZTC. FOUND CONTROL CABIN TEMP SENSOR FILTER CLOGGED WITDec 19, 2020 · N483AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020120933663Control Valve · inoperativeLEFT PACK WITH MASTER CAUTION ILLUMINATION AROUND 10,000 EXECUTED QRH. LEFT PACK LIGHT EXTINGUISHED FOR APPROXIMATELY 10 MINUTES THEN REILLUMINATED. REACCOMPLISHED QRH CLOSED ISOLATION VALVE AND LEFT PACK OFF, PER QRH. GROUNDED-YES. RESOLVED ON W/O: 185655Dec 9, 2020 · N483AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020100833335Duct · damagedWHILE ACCOMPLISHING T/C 78472000 ON NR 2 ENGINE FOUND VBV LOUVER PANEL & 1 O'CLOCK POSITION FASTENER PULLED THRU. GROUNDED-YES. REMOVED AND REPLACED FAN DUCT PANEL ON NR 2 ENGINE & 1 O'CLOCK POSITION, REF B737-900 AMM 72-23-07/401.Oct 8, 2020 · N483AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2020100633288Fmc · malfunctionedCAPTAINS FMC BLANKED OUT IN CRUISE THEN CAME BACK AFTER TWO MINUTES. GROUNDED-YES. ACCOMPLISHED FMCS BITE PROCEDURE LEFT FMC SHOWED NO INFLIGHT FAULTS, TEST PASSED. SENSOR TEST PASSED, NO FAULTS NOTED. STATUS OF ALL SENSORS SHOWED OK. RIGHT FMC SHOWED NO Oct 6, 2020 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020080312971Fmc · malfunctionedMOMENTARY LEFT FMC FAIL. VTK ON CAPT NAV DISPLAY WITH NO FMC DATA ON FMC SCREENS. RECOVERED TO NORMAL OPS AFTER APPROX 30 SECONDS. GROUNDED - YES. FLIGHT 1 SHOWS "FMC-L, PRES POS LAT RATE". PERFORMED B737-900 FIM 34-61 TASK 824. NO FAULTS FOUND. ETOPS GRD VERIAug 1, 2020 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020061192790Warning Message · false activationCONT CAB ZONE TEMP ILLUMINATES WITH MASTER CAUTION. RESETS. GROUNDED - YES. CONT CAB TEMP CONTROL PRIMARY INOP. NR 2 PZTC SHOWS "FLT DECK TRIM VALVE" FAULT ON PREV FLT. RESET FAULT. FAULT DID NOT RETURN. OPS CHECK NR 2 TEMP CONTROLLER & CONT CAB TRIM VALVE GOOJun 9, 2020 · N483AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020021863184Indicator · failedDURING APU GVI, FOUND THE RED BUTTON ON THE OIL FILTER INDICATOR HAS EXTENDED. GROUNDED - YES. R&R LUBE FILTER ELEMENT PER B737-900 AMM 49-91-12, BUT NO HELP. R&R OIL FILTER INDICATOR PER AMM 49-91-13. PERFORMED APU STARTING AND OPERATION PER AMM 49-11-00. OPSFeb 16, 2020 · N483AS · Boeing 737990ER · APU Oil SystemSDR ASAA2020020332057Warning Message · false activationFAIL DISPLAYED ON RTP WHEN HF #2 RADIO SELECTED. F/O SIDE. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 23-12 TASK 815. FAIL INDICATION REMOVED. OPS CHECK NORMAL.Jan 31, 2020 · N483AS · Boeing 737990ER · HF Communications SystemSDR ASAA2020013082024Fmc · malfunctionedLEFT FMC FAILED MULTIPLE TIMES DURING CRUISE. FAILED 3 TIMES, NO LONGER THAN 2 MINUTES AND CAME BACK TO NORMAL OPERATION EACH TIME. GROUNDED - YES. ACCOMPLISHED FMC BITE IAW FIM 34-61 TASK 801. FOUND PGM FAULT LAST LEG. ACCOMPLISHED FIM 34-61 TASK 837. LT FMC Jan 28, 2020 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020012753970Fmc · malfunctionedLEFT FMC FAILED TWICE AT CRUISE. GROUNDED - YES. RELEASED PER MEL 34-36T LEFT HAND FMC INOP. L FMC LOGGED PGM FAULT. COULD NOT DUPLICATE MALFUNCTION, L FMC OP CK NORMAL REF B737-900 FIM 34-61 TASK 837.Jan 25, 2020 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020010631787Unknown · malfunctionedCAPT FMC FAILED MOMENTARILY, GOT VTK DISPLAYED ON ND. RETURNED TO NORMAL IN ABOUT ONE MINUTE. WE NEVER TOOK ACTION, IT CAME BACK TO NORMAL ON IT'S OWN. GROUNDED - YES. SYSTEM HAS RESET, MOMENTARY FAULT, GROUND FUNCTIONAL TEST FOR THIS ETOPS SYSTEM IS GOOD IAW Jan 3, 2020 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019111291287Fire Loop · no testDURING CARGO WARNING FIRE TEST AFT ARM LIGHT DOES NOT ILLUMINATE AND AMBER DETECTOR FAULT LIGHT ILLUMINATED. SELECTING LOOP A RESULTS IN A SUCCESSFUL TEST, B LOOP APPEARS TO BE INOP. GROUNDED - YES. ACCOMPLISHED A CARGO BAY SMOKE DETECTION OPERATIONAL TEST PERNov 9, 2019 · N483AS · Boeing 737990ER · Fire DetectionSDR ASAA2019111291281Control Panel · failedNON ETOPS VERIFICATION FLIGHT UNSUCCESSFUL. FLASHING MCP SPEED IN FMA WHILE MCP SPEED WINDOW BLANK. GROUNDED - YES. REMOVED AND REPLACED MCP. REMOVED TAGS AND RESET 9 C/B'S MCP INSTALLATION TEST FOOD REF AMM 22-11-34-740-801 AND LRU REPLACEMENT TEST GOOD 22-11Nov 9, 2019 · N483AS · Boeing 737990ER · Autopilot SystemSDR ASAA2019102841097Control Valve · faultyLEFT PACK LIGHT ON RECALL. GROUNDED - YES. REMOVED LH PACK TEMPERATURE CONTROL VALVE (TCV) PER B737-900 AMM 21-51-10-000-801. INSTALLED NEW (TCV) PER AMM 21-51-10-400-801. PERFORMED VALVE LEAK TEST, LEAK TEST IS GOOD. PERFORMED PACK ZONE TEMPERATURE CONTROLLEROct 24, 2019 · N483AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA201910231079Warning Message · false activationHF #1 IS DISPLAYING "FAIL" ON BOTH THE ACTIVE AND STANDBY FREQUENCY WINDOWS. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 23-11 TASK 806 HF COM SYSTEM RT TROUBLESHOOT, HF #1 OPS TEST NORMAL.Oct 21, 2019 · N483AS · Boeing 737990ER · HF Communications SystemSDR ASAA2019101103988Warning Flag · false activationDUAL VTK FLAGS AT 800' ADDITIONAL VTK FLAG ENROUTE AT CRUISE ON #1 ND. GROUNDED - YES. ACCOMPLISHED BOTH FMC BITE PROCEDURE WITH NO FAULTS FOUND. NO HISTORY 60 DAYS, INTERMITTENT FAULT OK FOR SVC REF B737-900 AMM 34-61-00.Oct 10, 2019 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019100197849Radar · malfunctionedF/O SIDE WX RADAR REPORTS NON-EXISTANT WX IN AUTO MODE ONLY. GROUNDED - YES. INSP/TEST OF WX RADAR SYS BOTH SIDES PER AMM 34-43-00 CKS NML. NO DISPARITY IN DISPLAY. CDS BITE TESTS OF DEU1 & DUE2 & WX RADAR/TERR CKS GOOD. OK FOR SVC.Sep 27, 2019 · N483AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2019091030657Unknown · malfunctioned#2 COWL VALVE OPEN LIGHT STAYS BRIGHT (VALVE NOT OPENED). GROUNDED - YES. ACCOMPLISHED INSP OF O/P SWITCH S806. NO FAULTS FOUND. REF FIM 30-21 TASK 801. DUE TO PR REG #2 ANTICE VLV R2. PER PILOT VERBAL: 20K PASSING THROUGH ICING CONDITIONS FOR ABOUT 5 MIN. LIGSep 10, 2019 · N483AS · Boeing 737990ER · Air Intake Anti/De-Ice SystemSDR ASAA201906249791Module · failedRIGHT SIDE WINDOW OVHT MESSAGE. GROUNDED - YES. BITE CHECKED R/H SIDE WHCU - FAULTS P5-9. REF B737-900 FIM 30-41 TASK 801 & 30-41 TASK 813. RMVD & RPLCD P5-9 MODULE REF B737-900 AMM 30-41-41. OPS NML PER SAME.Jun 22, 2019 · N483AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019061329681Fmc · malfunctionedDURING CRUISE, L FMC FAILED. VTK DISPLAYED ON L ND, AND FMC PROMPT DISAPPEARED FROM L CDU MENU. AFTER 20-30 SECONDS, ALL FLAGS DISAPPEARED AND NORMAL FMC OPS WERE RESTORED. NO DATA WAS LOST DURING THE FAILURE. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61 TAJun 11, 2019 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019052729484Unknown · malfunctionedIN CRUISE, FL360, DUAL FMC FAILURE. FMC OPERATION PARTIALLY RESTORED; HOWEVER ROUTE & PERF INFO WERE DELETED. WHILE A/T LIM FLAG AND AMBER "LDG ALT" REMAIN. LNAV/VNAV OPERATION RESTORED AFTER MANUALLY RE-BUILDING THE BOX IN CRUISE. HOWEVER THE INFORMATION DOESMay 27, 2019 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019050129232Unknown · malfunctionedF.O. CRS SELECT WINDOW IS BLANK, YET ILLUMINATES DURING LIGHT TEST. GROUNDED - YES. ACCOMPLISHED DFCS BITE GROUP #60, DFCS LRU REPLACEMENT TEST BITE GROUP # 35 FOR FCC/AT ALL TEST PER AMM 22-00-01-730-803. ALSO ACCOMPLISHED HGS SYSTEM AND OPS TESTS PER SMM 34-May 1, 2019 · N483AS · Boeing 737990ER · Autopilot SystemSDR ASAA2019050129211Control Panel · inoperativeWX RADAR AUTO FUNCTION INOP. GROUNDED - YES. REMOVED AND REPLACED WX CONTROL PANEL REF AMM 34-43-91 OP CK GOOD 1 CB PULLED/RESET.May 1, 2019 · N483AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2019043029201Control Panel · malfunctionedCA SIDE RADAR DISPLAY SHOWS EXCESSIVE CLUTTER. NO CLEAR DEFINITIONS OF ECHOS IN WX WX-T MODE. F/O SIDE SHOWS PROPER INDICATIONS. GROUNDED - YES. WX CONTROL PANEL CHANGED ON DEFECT 11965486 OP CK GOOD REF AMM 34-43-00.Apr 30, 2019 · N483AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2019043089192Transceiver · failedCAPT SIDE RADAR IN AUTO MODE PAINTS WX OR GROUND WITH NO CLOUDS IN SKY. FO SIDE SHOWS NOTHING. IN MANUAL MODE, RADAR APPEARS TO WORK NORMAL BOTH SIDES. GROUNDED - YES. REMOVED AND REPLACED WX RADAR TRANSCEIVER IAW B737-900 AMM 34-43-41/400 AS A PRECAUTION. OPEApr 28, 2019 · N483AS · Boeing 737990ER · Weather Radar SystemSDR ASAA201904297169Fmc · malfunctionedON LANDING CA FMC FAILED WITH VTK FLAG FOR APPROX 3 MIN. THEN REBOOTED NORMAL OPS. GROUNDED - YES. VERIFIED L/H FMC COMPUTER FAILED FAULT SHOWED INTERMITTENT PGM FAULT. CYCLED PWR TO A/C. ACCOMP FMC OPS TEST, TEST PASS ALL SENSORS OK & ACCOMP FMC BITE BITE SHOApr 27, 2019 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019041172894Sensor · faultedWHILE PERFORMING LAND VERIFY AND FMS TC 78222000 - FOUND LEFT AILERON POSITION SENSOR A FAULTY. GROUNDED - YES. PERFORMED AILERON POSITION SENSOR ADJUSTMENT PER B737-900 AMM 22-11-29-820-801, ADJUSTMENT CK'S GOOD. PERFORMED AILERON POSITION SENSOR TEST PER AMMApr 7, 2019 · N483AS · Boeing 737990ER · Flight ControllerSDR ASAA2019031128585Warning System · activatedWINDOW OVERHEAT LEFT SIDE ILLUMINATED AT CRUISE FL 330. EXTINGUISHED AFTER SWITCHING OFF 5 MINS. GROUNDED - YES. ON DEFERRAL.Mar 11, 2019 · N483AS · Boeing 737990ER · Windshield/Door Rain/Ice Removal
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