N479AS

Service difficulty reports · 195

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 = 'N479AS' 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 ASAA2022090739882Display · erraticPILOTS SIDE ND IN WXR MODE SHOWS ERRONEOUS RADAR DISPLAY. SCREEN IS FILLED WITH GROUND CLUTTER RETURN IN AUTO MODE. GROUNDED - YES. PERFORMED OPERATIONAL TEST OF THE WXR SYSTEM IN REFERENCE TO B737-900 AMM 34-42-00. NO FAULTS FOUND, COULD NOT DUPLICATE FAULT. Sep 7, 2022 · N479AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2022081039458Circuit Breaker · poppedWHILE PERFORMING ASA T/C 78273000, FOUND ENG 2 ALTN PWRR CHAN A C/B POPPED. GROUNDED - YES. REMOVED & REPLACED #2 ENG EEC REF B737-900 AMM 73-21-60-000-801-F00.Aug 10, 2022 · N479AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2022070238929Modulating Valve · faultyCONT CABIN ZONE TEMP LIGHT ON MASTER RECALL. EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. PER B737-900 FIM 21-62 TASK 842 PERFORMED TEMP CONTROLLER #2 BITE - FAULT ACTIVE & SHOWS FLT DECK TRIM VALVE. REMOVED & REPLACED FLT DECK TRIM VALVE REF B737-900Jul 2, 2022 · N479AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2022060338563Probe · defective"TEMP PROBE" LIGHT ON DURING CRUISE. GROUNDED - YES. DIVERSION - CONFIRMED FAULT, TEMP PROBE LIGHT ILLUMINATED. FOUND DEFECTIVE TOTAL AIR TEMP PROBE. REPLACED SAME PER B737-900 AMM 34-21-06, OPS CK NML REF B737-900 FIM 34-21 TASK 813 & AMM 30-31-00-730-801.Jun 3, 2022 · N479AS · Boeing 737990ER · Pitot/Static Anti-Ice SystemSDR ASAA2022052938485Keyboard · defectiveRIGHT FMC, BUTTON 5 LEFT, HARD TO PRESS REQUIRED MULTIPLE PRESSES FOR IT TO FUNCTION. GROUNDED - YES. REMOVED AND REPLACED RH FMCS CDU KEYBOARD. OPS CHECK GOOD. REF B737-900 AMM 34-6-01/201.May 29, 2022 · N479AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022052138434Hmu · contaminatedDURING ASA T/C 78273000 FOUND ENG 2 SHORT TIME FAULT MSG NBR 75-10572 ON ASA W/O 1911060. GROUNDED - YES. CHECKED FAULT HISTORY, FOUND FAULT SHOWS ON FLTS: G,1,2,3 AND 6. REF B737-900 FIM 75-23 TASK 804, REMOVED CONNECTOR DP0501 AT HMU AND FOUND HMU SIDE OF SAMay 21, 2022 · N479AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2022050438198Radar · faultedWEATHER RADAR WILL NOT TURN ON; ONLY SHOWS TEST PATTERN. GROUNDED - YES. INITIAL EVALUATION, PERFORMED WXR BITE IAW B737-900 FIM 34-43 TASK 801. NO FAULTS. ALL OBSERVATIONS NORMAL. PERFORMED SYSTEM TEST IAW B737-900 AMM 34-43-00-730-802-001. TEST PASS. ALL FUNMay 4, 2022 · N479AS · Boeing 737990ER · Doppler SystemSDR ASAA2022041638038Wire Harness · damagedREF TASK CARD N8420001. DURING INSPECTION OF RIGHT ENGINE HARNESSES, FOUND HARNESS MW0325 SHIELDING TORN. GROUNDED - YES. REMOVED AND REPLACED MW0325 FIRE DETECTION HARNESS ON RIGHT ENGINE IAW B737-900 AMM 26-11-02. OPERATIONAL TEST GOOD IAW AMM 26-11-00-710-8Apr 16, 2022 · N479AS · Boeing 737990ER · Fire Protection System WiringSDR ASAA2022040937924None · faultyCONTROL CABIN ZONE TEMP LIGHT ILLUMINATED. RAN QRH 2.22. LIGHT OFF ON RESET AND BACK ON WITH RECALL. GROUNDED - YES. PER B737-900 FIM 21-62 TASK 842, PERFORMED PACK TEMP CONTROL BITE PROCEDURE FIM 21-62 TASK 801. FAULT CODE SHOWS FLT DECK TRIM VALVE. PER FIM 2Apr 9, 2022 · N479AS · Boeing 737900ER · Cabin Temperature Control SystemSDR ASAA2022040337886Unknown · unknownLEFT FMC FAIL. STARTED WORKING AGAIN WITHOUT CREW ACTION. GROUNDED - YES. ACCOMPLISHED LEFT FMC BITE REF B737-900 FIM 34-61 TASK 801. NO CURRENT FUALTS FOUND. CYCLED LEFT FMC CB AND PERFORMED SYS TEST. ALL TESTS PASSED. REF B737-900 AMM 34-61-00-2 34-61 TASKS.Apr 3, 2022 · N479AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022031937713Sensor · inoperativeLEFT SIDE WINDOW OVERHEAT ILLUMINATED AT 3000' ON APP. GROUNDED - YES. ACCOMP WINDOW HEAT CONT BITE TEST FOR L/H #2 (SIDE ) WINDOW FAULTS WINDOW SENSOR REF B737-900 AMM 30-41-11-740-005. R&R LH #2 WINDOW PER AMM 56-12-11. OPS CHECK GOOD. LEAK CHECK GOOD.Mar 19, 2022 · N479AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022031837714Unknown · unknownL SIDE WINDOW OVERHEAT LIGHT ILLUMINATED IN FLIGHT. COMPLETED WITH QRH PROCEDURE OFF FOR ABOUT THREE MINUTES, THEN BACK ON. OVERHEAT LIGHT STAYED EXTINGUISHED. GROUNDED - YES. WRITE UP NOTED BY MAINT.Mar 18, 2022 · N479AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022021937503Control Unit · intermittentLEFT SIDE WINDOW HEAT "OVERHEAT" ON FINAL APPROACH. TRIED ONE 5 MIN RESET IN AIR AND DID NOT RESET. GROUNDED - YES. COULD NOT DUPLICATE, CKD TEMP SENSOR & HEAT FILM RESISTANCE AND TAP SETTING, ALL CKD NML. R/R WHCU PER B737-900 AMM 30-41-11. SYS OPS CKS NML PEFeb 19, 2022 · N479AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022021537447Unknown · unknownCAPT WEATHER RADAR SHOWS THE SAME PICTURE (IN AUTO MODE) ON "WX", "WX+1" AND MAP. SHOWS THE PICTURE YOU WOULD EXPECT FOR GROUND MAPPING. F/O SIDE SHOWS NORMAL. GROUNDED - YES. PERFORMED BITE TEST OF WEATHER EADAR (WXR) SYSTEM REF B737-900 AMM 34-43-00-710-802-Feb 15, 2022 · N479AS · Boeing 737990ER · Independent Position Determining SystemSDR ASAA2022021337411Unknown · unknownON DESCENT THE LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. RAN THE WINDOW OVERHEAT CHECKLIST, LIGHT EXTINGUISHED.Feb 13, 2022 · N479AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022020937375Unknown · unknownLEFT SIDE WINDOW HEAT "OVERHEAT" LIGHT ILLUMINATED ON DESCENT. GROUNDED - YES. PER QRH, SWITCHED OFF FOR 5 MIN. OVERHEAT EXTINGUISHED. NORMAL OPS.Feb 9, 2022 · N479AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022020637362Unknown · unknownINFO ONLY L SIDE WINDOW OVERHEAT LIGHT CAME ON FINAL APPROACH SLC. GROUNDED - YES. BLEED -INFO NOTED.Feb 6, 2022 · N479AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022011737194Unknown · unknownTWO ATTEMPTED CATIII ILS TO RWY 16R, NO AIII OR 2ND AUTOPILOT TO ENGAGE. GROUNDED - YES. RESET SYSTEM AND PERFORMED B737-900 FIM 22-14 TASK 801, HAD NO FAULTS AFTER PERFORMING LRU REPLACEMENT TEST - FIM 22-11 TASK 802 FOR DFCS/AT. ALSO PERFORMED LAND VERIFY TEJan 17, 2022 · N479AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021120336805Blade · damagedWHILE PERFORMING FAN BLADE LUBE ON #2 ENG FAN BLADE SHIMS COATING MISSING. GROUNDED - YES. REMOVED AND REPLACED #2 ENG FAN BLADE SHIMS IN REF TO TASK CARD 78472010.Dec 3, 2021 · N479AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021112636743Pump · leakingRAMP REPORTS FUEL LEAK ON #1 ENG DURING PUSHBACK. GROUNDED - YES. CREW RAN #1 ENGINE AND FUEL POURING FROM FUEL PUMP DRAIN PAD. APPROXIMATE LEAK RATE ESTIMATED AT 3 GALLONS P[ER MINUTE.REMOVED AND REPLACED FUEL PUMP REF T/C N8473002 AND N8473003. OPS CHECK GOONov 26, 2021 · N479AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2021111936690Actuator · inoperativeON RECALL RH PACK LIGHT ILLUMINATES. EXT ON RESET. GROUNDED - YES. REMOVED AND REPLACED RH RAM AIR INLET DOOR ACTUATOR PER B737-900 AMM 21-51-21/401 AND RH RAM AIR EXHAUST ACTUATOR REF AMM 21-51-27/401. ACCOMPLISHED PZTC BITE PER 21-61-00 NO ACTIVE FAULTS. ALLNov 19, 2021 · N479AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021111936664Unknown · unknownBOTH FMCS FAILED FOR APPROXIMATELY ONE MINUTE 2.5 HOURS INTO THE FLIGHT THEN RESTORED ON THEIR OWN. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61 TASK 837. OPS CK GOOD. NO HISTORY PAST 30 DAYS.Nov 19, 2021 · N479AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021111136584Actuator · faultedIN DESCENT AT FL 270, PUSHED RECALL & R. PACK LIGHT ILLUMINATED. EXTINGUISHED UPON MASTER CAUTION RESET. GROUNDED - YES. PERFORMED BITE #2 PZTC REF B737-900 FIM 21-62 TASK 801 FOUND (SRADA EXIT) FAULT ON #2 CTC REF FIM 21-62 TASK 854 BITE DOES RESET. REMOVED ANov 11, 2021 · N479AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021110736525Unknown · unknownRIGHT PACK LIGHT ILLUMINATED DURING MASTER RECALL EXTINGUISHES WHEN RESET. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE ON #2 PER B737-900 FIM 21-62 TASK 801. FOUND R/H RAM AIR EXIT ACTUATOR FAULT. PERFORMED FIM 21-62 TASK 854 AND FAULT RESET. LIGHT STAYS Nov 7, 2021 · N479AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021102536402Unknown · unknownSTAT INV INOP 1 MSG. GROUNDED - YES. PERFORMED BITE PROCEDURE OF P5-13 ELEC MODULE REF B737-900 FIM 24-31 TASK 801. FOUND "STAT INV INOP I" MESSAGE. PERFORMED RESET THROUGH P5-13 MODULE. NO FURTHER DEFECTS FOUND.Oct 25, 2021 · N479AS · Boeing 737990ER · DC Generating SystemSDR ASAA2021082035750Acm · inoperativeDURING PREFLIGHT, RT PACK LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED AIR CYCLE MACHINE REF. B737-900 AMM 21-51-04-700-802-002 UP TO STEP 3.H.(7)(N). REQUIRED MEL 21-1G REVERSAL PRIOR TO AIR CYCLE MACHINE INSTALLATION TEST. REVERSE MEL 21-1G OPS CKAug 20, 2021 · N479AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021060735055Warning Light · false activationRIGHT PACK LIGHT ILLUMINATED DURING RECALL. GROUNDED - YES. INTITAL EVALUATION, R PACK WAS ILLUMINATED ON RECALL. PERFORMED PZTC BITE IAW B737-900 FIM 21-62 TASK 801. LIGHT ILLUMINATED RED FOR "THIS PACK - TCV" ON PZTC #2. CLEARED/GREEN ON VERIFY. PER FIM 21-6Jun 7, 2021 · N479AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021052134871Fmc · faultedFMC #2 MOMENTARY LOSS - NO MAP - VTK DISPLAYED - CAME BACK IN <30 SECONDS - BUT AFTER IT CAME BACK ALL FLT PLAN & WT DATA GONE FROM BOTH FMC'S. GROUNDED - YES. ACCOMPLISHED FMCS BITE B737-900 FIM 34-61 TASK 801 OPS CHECK NORMAL.May 21, 2021 · N479AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021051334804Starter · failedON #2 ENGINE START N2 GOT TO 22% THAN STARTED SPOOLING DOWN NOISE LIKE PNUEMATIC LEAK PRESENT. ABORTED START. GROUNDED - YES. FOUND #2 STARTER FAILED. REMOVED AND REPLACED #2 ENGINE STARTER REF B737-900 AMM 80-11-01-000-801-F00. OPS GOOD.May 13, 2021 · N479AS · Boeing 737990ER · Engine StarterSDR ASAA2021050134724Fmc · inoperativeFMC INOP ON PREFLIGHT. GROUNDED - YES. CYCLED AIRCRAFT POWER AND PERFORMED OPERATIONAL TESTS ON THE CAPTAIN'S MFCDU AND FMCS PER B737-900 AMM'S 34-61-01/401 AND 34-61-00/501. ALL TESTS NORMAL. MAINTENANCE BITE FUNCTIONS NORMALLY. ETOPS GROUND VERIFICATION SUCCMay 1, 2021 · N479AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021031434288Fmc · faultedIN CRUISE FLIGHT APPROACHING THE CRITICAL POINT ON OUR ETOPS FLIGHT PLAN THE CAPTAINS SIDE NAV DISPLAY SHOWED VTK FLAG FOLLOWED BY A MAP FLAG ALONG WITH FMC P/RST CAUTION AND NO FMC DATA ON BOTH CDU'S AFTER ABOUT 30 SECONDS THE LEFT FMC RESET ITSELF AND CAME BMar 14, 2021 · N479AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021021434179Transition Panel · corrodedAFT PIT LT TRANSITION PANEL STA 727I+10- STA 727G+10 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION IN AFT PIT ON TRANSITION PANEL FROM STA 727I +10 TO STA 727G +10. ORIG THICKNESS .040 PER B737-900ER SRM 53-60-53-01-02; REMOVED .008; MATERIAL REMAINING .Feb 14, 2021 · N479AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2021021034167Floorboard · damagedAFT WET AREA FLOOR BOARD DAMAGED UNDER LAV E PN 16T015A047-7. GROUNDED - YES. REPAIRED DAMAGE TO AFT WET AREA FLOOR PANEL 16T015A047-7 IAW ASAB767-900 SRM 53-00-50-2R+0 AND REPAIR 1.Feb 10, 2021 · N479AS · Boeing 737990ER · Fuselage Floor PanelSDR ASAA2021021034166Floorboard · damagedAFT WET AREA FLOOR BOARD DAMAGED PN 147A5810-477. GROUNDED - YES. REPAIRED AFT WET AREA FLOOR BOARD DAMAGE TO PN 147A5810-477 B737-900ER-SRM-53-00-50-2R-1 AND 53-00-50-2R-0.Feb 10, 2021 · N479AS · Boeing 737990ER · Fuselage Floor PanelSDR ASAA2021021034125Floorboard · damagedAFT WET AREA FLOOR BOARD DAMAGED PN 147A5810-109. GROUNDED - YES. REPAIRED AFT WET AREA FLOORBOARD DAMAGE TO PN 147A5810-109 IAW B737-900ERSRM-53-00-50-2R-4 AND 53-00-50-2R-0.Feb 10, 2021 · N479AS · Boeing 737990ER · Fuselage Floor PanelSDR ASAA2021021034124Floorboard · damagedAFT WET AREA FLOOR BOARD DAMAGED PN 147A5810-446. GROUNDED - YES. REPAIRED DAMAGE TO AFT WET AREA FLOOR PANEL 147A5810-446 IAW ASA B737-900SRM 53-00-50-2R-1 AND REPAIR 1.Feb 10, 2021 · N479AS · Boeing 737990ER · Fuselage Floor PanelSDR ASAA2021021034123Floorboard · damagedAFT WET AREA FLOOR BOARD DAMAGED PN 147A5810-439. GROUNDED - YES. REPAIRED DAMAGE TO AFT WET AREA FLOOR PANEL 147A5810-439 IAW ASA B737-900 SRM 53-00-50-2R-0 AND REPAIR 1.Feb 10, 2021 · N479AS · Boeing 737990ER · Fuselage Floor PanelSDR ASAA2021012133925Pressure Switch · inoperative"B" AUTOPILOT (NR 2) WILL NOT STAY ENGAGED. GROUNDED-YES. PERFORMED DFCS B FAULT REVIEW FOR A/P DISCONNECTS. LEG 5 SHOWS 1 OCCURRENCE OF 22-11149 - LNAV ENG AIL ACT PRESS LCL INV/ LRU:AIL PRESS SW-2, LEG 9 SHOWS SAME/3 OCCURRENCES. NO OTHER DISCONNECT FAULJan 21, 2021 · N479AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021011333870Fault Code · activatedWHILE ACCOMPLISHING T/C 78273000, FOUND NR 1 ENGINE FAULT CODE 73-10201. INTERNAL EEC FAULT. LONG TIME FAULT. NO ENGINE CONTROL LIGHT. GROUNDED-YES. CW B737-900 FIM 73-21 TASK 801. EEC TEST, ACTUATORS TEST AND GROUND ENGINE RUN REVEALED NO CURRENT FAULTSJan 13, 2021 · N479AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2020121633700Valve · faultedCONTROL CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL DURING AFTER START CHECK. ACCOMPLISHED QRH FOR ZONE TEMP, LIGHT REMAINED ILLUMINATED ON RECALL. GROUNDED-YES. PERFORMED BITE TEST ON BITE BOX NR 2. FOUND FLT DECK TRIM VALVE FAULT. FAULT CLEARED AFTER PEDec 16, 2020 · N479AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020121433691Display · inoperativeFUELER REPORTS "TANK ONE" DISPLAY BLANKED OUT WHILE FUELING. CLOSED THE DOOR WOULD NOT COME BACK ON. GROUNDED-YES. REMOVED AND REPLACED TANK ONE REFUEL QUANTITY INDICATOR, IAW B737-900 AMM 28-41-61. OPERATIONAL TEST GOOD.Dec 14, 2020 · N479AS · Boeing 737990ER · Fuel Indicating SystemSDR ASAA2020121333689Valve · faultedZONE TEMP LIGHT ON RECALL ON AFTER START CHECK. RESET W/MASTER CAUTION. GROUNDED-YES. VERIFIED DISCREPANCY. PERFORMED PZTC BITE, REF B737-900 AMM 21-61-00. FOUND "FLT DECK TRIM VALVE FAULTS" ON NR 2 PZTC. RESET FAULT. GROUND RAN BOTH PACKS, NO FAULTS LODec 13, 2020 · N479AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020112333584Starter · fodOPENING OF APU ISOLATION VALVE CAUSES ENGINE NR 2 START VALVE TO OPEN. GROUNDED-YES. REMOVED AND REPLACED NR 2 ENGINE START VALVE, REF B737-900 AMM 80-11-03. OPERATIONS/LEAK CHECK GOOD. PERFORMED B737-900 FIM 80-07 TASK 802 AND FOUND DEBRIS IN THE STARTERNov 23, 2020 · N479AS · Boeing 737990ER · Engine StarterSDR ASAA2020111433552Fmc · failedIN CRUISE LEFT FMC FAIL BUT SELF CORRECTED WITHIN ABOUT TWO MINUTES. GROUNDED-YES. PERFORMED B737-900 FIM 22-11-TASK 811. DFCS BITE SHOWS NO FAULTS ALL TEST PASSED.Nov 14, 2020 · N479AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020110233498Control Valve · intermittentWHILE PERFORMING T/C N8010004 SUBTASK 10-11-07-710-003, PER B737-900 AMM 21-00-05-780-801 STEP E PARA 5 ECS PACK ON/OFF LT PACK FLOW CONTROL SHUT OFF VALVE STAYS IN THE ON POSITION, INTERMITTENTLY WILL GO CLOSED. GROUNDED-YES. REMOVED AND REPLACED LEFT PACKNov 2, 2020 · N479AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020033032537Fmc · failedLEFT FMC FAILURE AT CRUISE AT CRUISE FAILED AND RECOVERED TWICE WHILE READING QRH. COMPLETED QRH PROCEDURE ON THIRD FAILURE AND RESUMED DUAL FMC OPERATION. FOURTH FAILURE 2 MINUTES AFTER RESTORING DUAL OPS. RE-SELECTED FMC SOURCE SELECT TO BOTH ON RIGHT AND COMar 24, 2020 · N479AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020021873202Spacer · debondedPER T/C 78472010 #2 ENGINE FAN BLADE LUBE SPACERS #2,4,8,12,13,20,21,22,23, AND 24 ELASTOMERS ARE DISBONDED. GROUNDED - YES. REPLACED THE ABOVE SPACERS POSITIONS PER T/C 78472010.Feb 17, 2020 · N479AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2020020332068Autoland Sys · malfunctionedUNSUCCESSFUL AUTOLAND. GROUNDED - YES. COMPLIED WITH LAND VERIFY REF B737-900 AMM 22-11-00/201 ALL LLM RTS TESTS PASS.Feb 3, 2020 · N479AS · Boeing 737990ER · Autopilot SystemSDR ASAA2020012171897Warning Light · false activationCONT CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL AND WAS RESETTABLE. GROUNDED - YES. INITIAL EVALUATION, HAD ZONE TEMP LIGHT ILLUMINATED ON RECALL. PERFORMED PACK TEMP CONTROL BITE PROCEDURE FOLLOWING B737-900 FIM 21-62 TASK 842. PREVIOUS FLT HAD FLT DECK TRIM VJan 17, 2020 · N479AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020011731881Unknown · malfunctionedRIGHT FMC FAILED BRIEFLY IN CRUISE FLIGHT AT FL3620. RESET ITSELF AFTER A MOMENT OR TWO. NORMAL OPS AFTER. GROUNDED - YES. PERFORMED FIM 34-61 TASK 836 UPON A/C POWER UP. INITIAL EVALUATION GOOD. INTERMITTENT DISCREP. NO HISTORY LAST 90 DAYS.Jan 15, 2020 · N479AS · Boeing 737990ER · Flight Management Computing Hardware System
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