N423AS

Service difficulty reports · 262

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 = 'N423AS' 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 ASAA2022032737825Oil Cooler · faultyDURING WALK AROUND APU SHUTDOWN UNCOMMANDED. GROUNDED - YES. RAN B737-900 FIM TASK 49-60 801 APU BITE. FAULT HAS 49-91005, HIGH OIL TEMP SHUTDOWN STATED. FIM TASK 49-90 #801 GVI OIL COOLER AND MAGNETIC DRAIN PLUG. NO DEFECTS NOTED. REPLACED MAG DRAIN PLUG PACKMar 27, 2022 · N423AS · Boeing 737990ER · APU Oil SystemSDR ASAA2022032337758Valve · faultyLEFT PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHES DURING MASTER CAUTION RESET. GROUNDED - YES. BITE TEST ACCOMPLISHED IAW B737-900 AMM 21-62 TASK 801 FOR BOTH CONTROLLERS. PACK CONTROLLER #2 PASSED, PACK CONTROLLER#1 (LH) SHOWED FAULT CODE THIS PACK-TCV FAULMar 23, 2022 · N423AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2022031237689Control Valve · faultyAPU SHUTDOWN DUE TO HIGH OIL TEMPERATURE. GROUNDED - YES. ACCOMPLISHED APU BITE AND FOUND FAULT 49-91005 FAULT IS PRESENT IN TWO OPEN LEGS. ACCOMPLISHED MAG APU DRAIN PLUG INSPECTION, NO DISCREPANCIES IAW B737-900 AMM 49-91-81, VERIFIED APU OIL IS FULL. ACCOMPMar 12, 2022 · N423AS · Boeing 737990ER · APU Oil SystemSDR ASAA2022022637578Filter Element · cloggedON LANDING #2 ENGINE FILTER BYPASS LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED 2 ENGINE FUEL FILTER REF B737-900 AMM 73-11-02 LEAK TESTED NO DEFECTS NOTED. ETOPS SUCCESSFUL GROUND VERIFICATION. CANNON PLUG DP0803 HAD BEEN STRIPPED OUT. REMOVED ANDFeb 26, 2022 · N423AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2022022637575Filter · cloggedNO FUEL FLOW INDICATION. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE FUEL FILTER REF B737-900 AMM 73-11-02 LEAK TESTED NO DEFECTS NOTED. FUEL FLOW INDICATION CHECKED GOOD. PERFORMED IDLE POWER RUN TEST 3A REF AMM 73-31-01.Feb 26, 2022 · N423AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2021122436997Unknown · faultyON ROLLOUT RIGHT FUEL BYPASS LIGHT ILLUMINATED. RAN QRH, LIGHT EXTINGUISHED WHEN ENGINE WAS SHUTDOWN. GROUNDED - YES. INSPECTED THE CANNON PLUG, FOUND NO DAMAGE, REMAINS SERVICEABLE. REMOVED AND REPLACED THE FFDPS OF ENG #2 REF B737-900 AMM 73-34-01 OPS CHECK Dec 24, 2021 · N423AS · Boeing 737990ER · Engine Fuel Indicating SystemSDR ASAA2021122236975Unknown · unknown50 MINUTES INTO FLT I NOTICED RT MAIN FUEL QUANTITY DECREASING WITH CENTER PUMPS ON AT 1:13 INTO FLT STARTED LOSING 10 POUNDS A SECOND RAN QRH 12.5 WITH PUMPS OFF THE LOSE SLOWED. FODO HAD US RUN THE IMBAL 12.15 CHECKLIST ALSO. WITH THE CENTER PUMPS OFF LOSS IDec 22, 2021 · N423AS · Boeing 737990ER · Aircraft Fuel Distribution SystemSDR ASAA2021121736935None · detachedA/C LEFT EMERGENCY EXIT LIGHT COVER MISSING ROW 16. GROUNDED - YES. REPLACED 16F REMARK EXIT LENS AS REQUIRED.Dec 17, 2021 · N423AS · Boeing 737990ER · Emergency LightingSDR ASAA2021103136471Display · failedCAPTAINS MCDU FAILED IN FLIGHT. GROUNDED - YES. REL PER MEL 34-36L CAPTS MCDU INOP AUTH BY SEAMC SMITH @ 2115Z. REPLACED CA'S MCDU PER 34-61-01. OP CHK GOOD. VERIFIED CORRECT SOFTWARE P/N AND CONFIG PER B737-900 AIPC 34-61-01-03 SHEET 04. 2 EA CBS PULLED AND ROct 31, 2021 · N423AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021102336388Keyboard · noneDELETE KEY ON CA FMC INOP. ALL OTHER KEYS SEEM TIO WORK. INPUTS ON SCRATCHPAD ARE NON-DELETABLE. GROUNDED - YES. REPLACED CAPT FMCS CDU KEYBOARD REF B737-900 AMM 34-61-01/401 ALL TEST PASS DELETE FUNCTION RESTORED.Oct 23, 2021 · N423AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021092336030Spacer · debondedENG #2, SPACER #18 ELASTOMERS IS DISBONDED. GROUNDED - YES. REPLACED THE #18 SPACER OF ENG #2 IAW T/C 78472010.Sep 23, 2021 · N423AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021091635959Fmc · failedENROUTE F/O'S FMC FAILED ,VTK APPEARED AND LASTED APPROX 30 SECONDS FMC REBOOTED. AFTER LANDING FMC DISAGREE LIGHT ILLUMINATED TWICE. GROUNDED - YES. NO HISTORY, PERFORMED B737-900 FIM 34-61 TASK 836 F/O'S FMC RETURNED TO NORMAL OK FOR SERVICE SEAMC ROWEN CONSSep 16, 2021 · N423AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021091535946Control Valve · inoperativeAPU HAS ADDITIONAL REPORTS OF AUTO SHUTDOWN AFTER OIL COOLER REPLACEMENT FOR OIL OIL TEMP SD(#PRI 2)ETOPS SIGNIFICANT SYSTEM. GROUNDED - YES. REMOVED AND REPLACED APU TCV, REF B737-900 AMM 49-91-21. OP CHECK GOOD NO LEAKS NOTED. REMOVED AND REPLACED APU LUBE MSep 15, 2021 · N423AS · Boeing 737990ER · APU Oil SystemSDR ASAA2021090235864Oil Cooler · damagedAPU FAULT LIGHT GENERATOR DISCONNECT WHILE APU RUNNING AT GATE. GROUNDED - YES. REMOVED DAMAGED OIL COOLER. REPLACED OIL COOLER PER B737-900 AMM 49-41-41. APU RUNS CONTINUOUSLY WITH NO AUTO-SHUTDOWN. APU OPS AND LEAKS CHECK GOOD. NO FURTHER DEFECTS NOTED.Sep 2, 2021 · N423AS · Boeing 737990ER · APU Oil SystemSDR ASAA2021081865729Control Valve · faultedLEFT PACK LIGHT ON. GROUNDED - YES. R/R LEFT PACK TEMP CONTROL VALVE REF B737-900 AMM 21-51-10, PERFORMED BITE TEST REF 21-61-00, NO FAULTS NOTED. THIS CLEARS MEL 21-32B REMOVED PLACARD C/N 16037423. SEAMC SCOTT NOTIFIED.Aug 16, 2021 · N423AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021072435494Control Valve · failedRT PACK ILLUM IN FLIGHT @ CRUISE, RESET WITH MASTER CAUTION. GROUNDED - YES. REMOVED AND REPLACED R/H PACK TCV VALVE (V00141) REF AMM 21-51-10. OPS CHECK GOOD ALL TEST PASS. THIS CLEARS MEL 21-32B SEAMC MIKE NOTIFIED AND PLACARD REMOVED. GROUND VERIFICATION TEJul 24, 2021 · N423AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021072435493Control Valve · failedCABIN RUNS WARM IN ALL PHASES OF FLIGHT. IMPOSSIBLE TO COOL DOWN. GROUNDED - YES. REPLACED ALL 3 CABIN TEMP SENSOR FILTERS WITH NEW ONES REF B737-900 AMM 21-61-06-400-801. ACCOMP CABIN TEMP CONT & IND OPS TEST. CONT CABIN TEST PASS, BUT FWD & AFT PASS CABIN UNJul 24, 2021 · N423AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021070215221Antenna · faultedWXR NOT PAINTING CORRECTLY. IN AUTO MODE AT FL 350 TILT IN CAL 2M SHOWED NEARLY 1/2 RED 1/2 YELLOW FROM 55NM OUT TO 200NM. MANUAL MODE 0 TILT SHOWED 1/2 GREEN 1/2 YELLOW WITH NO ACTUAL WEATHER NEAR OUR ALTITUDE. IN AUTO GAIN VAR 1 CLICK UP SHOWED 80% RED 20% YJul 1, 2021 · N423AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2021062835200Transceiver · inoperativeRADAR IS ATTENUATING - SHOWED WEATHER IN LINES 20 DEG L AND 30 DEG R OF NOSE WITH CLEAR CONDITIONS. GROUNDED - YES. REPLACED WXR RT UNIT REF. B737-900 MM 34-43-41-400-801 OPENED & CLOSED 2 C/B'S OPS CK OK REF. MM 34-43-00-6710-802-001 CLEARS MEL 34-15D REMOVEDJun 28, 2021 · N423AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2021051734845Fmc · failedLEFT FMC FAILED AFTER LANDING. IT CYCLED ON AND OFF MULTIPLE TIMES. VTK FLAG ON THE LEFT NAV DISPLAY. GROUNDED - YES. C/W FMC SYSTEM BITE PROCEDURE AND FOUND NO HARDWARE/SOFTWARE FAULTS OR FAILURE MESSAGES NOTED. REF B737-900 FIM 34-61 TASK 801 & 807. THIS ACTMay 17, 2021 · N423AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021042834706Light · detachedEXIT SIGN NEXT TO FORDWARD FLIGHT ATTENDANT JUMPSEAT HAS FALLEN OFF. GROUNDED - YES. REMOVED AND REPLACED FWD EXIT SIGN LIGHT ASSY. NEXT TO L1 DOOR REF. B737-900 AMM 33-51-01.OPS CHECK GOOD.Apr 28, 2021 · N423AS · Boeing 737990ER · Emergency LightingSDR ASAA2021033034475Warning Message · false activationUPON RECALL: CONT CAB: ZONE TEMP LIGHT RAN QRH, NO CHANGE. GROUNDED - YES. BITE OF NR 2 PACK TEMP CONTROLLER SHOW, FLT DECK TRIM VALVE FAULT BITE OF CONTROLLER PASS REF B737-800 AMM 21-61-20-400-801. FAULT CLEARS AND NO NEW FAULTS.Mar 30, 2021 · N423AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021032534408Spacer · debondedPER T/C 78472010 #1 ENG FAN LUBE SPACERS #2,3,5,13,16,20,21,23 AND 24 EALSTOMERS ARE DISBONDED. GROUNDED - YES. REMOVED AND REPLACED SPACERS #2,3,5,13,16,20,21,23 AND 24 ON ENG #1 REF TASK CARD 78472010.Mar 25, 2021 · N423AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021032534402Charger · no testWHILE ACCOMPLISHING T/C 78233008, FOUND (2) EA OVERHEAD AISLE LIGHTS INOP OF THE EMERGENCY SYSTEM AT ROW 25DEF AND 29DEF. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY EXIT LIGHT BATTERY PACK AND CHARGER, M2627, REF B737-900 AMM 33-51-06/401. ALL OPS TEST PASMar 25, 2021 · N423AS · Boeing 737990ER · Emergency LightingSDR ASAA2021030934280Transceiver · failedHF#1 TRANSCEIVER FAILED. HF#1 ACTIVE AND STANDBY INDICATORS SHOW "FAIL". GROUNDED - YES. VERIFIED HF #1 TRANSCEIVER FAILED, REMOVED & REPLACED HF #1 TRANSCEIVER & INSTALLATION TEST GOOD B737-900 AMM 23-11-21/401, PERFORMED HF COMMUNICATION TEST GOOD AMM 23-11-Mar 9, 2021 · N423AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021022334190Ecu · faultyDURING TAXI AFT F/A'S NOTED UNUSUAL NOISES. SE TAXI AFTER BRAKES SET, FA SAID NOISE CONTINUED. SOUNDED LIKE OIL CANNING. GROUNDED - YES. REMOVED & REPLACED APU ECU IAW B737-900 AMM 49-61-00. OPS CHECK GOOD NO FAULTS NOTED. APU OPERATES NORMAL.Feb 23, 2021 · N423AS · Boeing 737990ER · APU ControlsSDR ASAA2021022034142Controller · malfunctionedA/C PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL ON DESCENT INTO SEATTLE. INITIALLY RESET THEN ILLUMINATED RAN QRH WOULD NOT RESET. FOLLOWED PROCEDURE PACK LIGHT STAYED ILLUMINATED FOLLOWING QRH TURNED PACK OFF LIGHT EXTINGUISHED. GROUNDED - YES. REF B7Feb 20, 2021 · N423AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021021434088Warning Light · false activationON RECALL GOT LEFT PACK LIGHT AND CONT ZONE TEMP. BOTH RESET WITH PUSH TO RESET. GROUNDED - YES. ON DEFERRAL.Feb 14, 2021 · N423AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021021234090Modulating Valve · failedLEFT PACK LIGHT ILLUMINATES ON RECALL, RESET UPON MASTER CAUTION RECALL. GROUNDED - YES. REPLACED TCV IAW B737-900 AMM 25-51-10. NO FAULTS/LEAKS NOTED.Feb 12, 2021 · N423AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020112233579Spacer · looseNR 2 ENGINE TREND DATA SHOWS AN INCREASE IN LOW PRESSURE ROTOR VIBRATION LEVELS. DATA SCATTER INDICATES FAN LUBE REQUIRED. GROUNDED-YES. ACCOMPLISHED FAN LUBE T/C 78472010 ON NR 2 ENGINE. REMOVED AND REPLACED 2 FAN BLADE SPACERS NR 21, 23. DUE TO ELASTOMENov 22, 2020 · N423AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2020110333492Connector · arcedNR 1 AFT FUEL PUMP LIGHT ILLUMINATED DURING PREFLIGHT. 30K FUEL ON BOARD. GROUNDED-YES. PERFORMED B737-900 FIM 28-22 TASK 803, GVI OF CONNECTOR D70, PINS AND PUMP CONNECTOR APPEARED OK. PERFORMED PUMP INSULATION RESISTANCE TEST, REF B737-900 AMM 28-22-00, Nov 3, 2020 · N423AS · Boeing 737990ER · Fuel System WiringSDR ASAA2020110233487Probe · faultyACARS MESSAGE: NR 2 EGT 50 DEGREES HOTTER THAN NR 1 EGT. DETERMINED THAT NR 1 ENGINE, "B" CHANNEL, EGT PROBE S4 IS CAUSING INDICATION DISPARITY. READS 109.22 DEGREES C STATIC. GROUNDED-YES. ACCOMPLISHED T495 ENGINES BITE TEST INPUT MONITORING: ENGINE NR 1 Nov 2, 2020 · N423AS · Boeing 737990ER · Engine Temperature Indicating SystemSDR ASAA2020090233126Bleed Valve · inoperativeNR 1 ENG PRSOV GOES TO FULL OPEN WHEN APU AIR IS APPLIED. GROUNDED - YES. REMOVED AND REPLACED THE NR 1 ENG PRSOV, REF B737-900 AMM 36-11-04. OPS CK AND LEAK CK GOOD. ETOPS GROUND VERIFICATION WAS SUCCESSFUL, SEAMC DAVE NOTIFIED.Aug 31, 2020 · N423AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2020071532898Battery Pack · dischargedR1 & L2 DOOR EMERGENCY LIGHTS (INSIDE & OUTSIDE) INOP. GROUNDED - YES. REMOVED & REPLACED L2 DOOR EMERGENCY LIGHTS BATTERY PACK. OPS NORMAL REF AMM 33-51-06-960-805. REMOVED & REPLACED R1 DOOR EMERGENCY LIGHTS BATTERY PACK. OPS NORMAL REF AMM 33-51-06-960Jul 8, 2020 · N423AS · Boeing 737990ER · Emergency LightingSDR ASAA2020033132580Turnbuckle · wornREF T/C 78472000 #2 ENG INLET AND FAN BLADE- DETAILED INSP. FOUND BOTH TAI VALVE FWD MOUNT TURNBUCKLES UPPER ROD ENDS BEARINGS WORN OUT. (M) ON FWD TAI VALVE DUCT. GROUNDED - YES. REPLACED #2 ENG TAI VALVE TURNBUCKLES REF B737-900 AMM 30-21-11.Mar 30, 2020 · N423AS · Boeing 737990ER · Air Intake Anti/De-Ice SystemSDR ASAA2020033132579Anti-Ice Valve · gougedREF T/C 78472000 #2 ENG INLET AND FAN BLADES DETAILED INSP. FOUND TAI VALVE FWD DUCT R/H MOUNT AFT LOBE GOUGED FROM ROD ENDOF TURNBUCKLE. (M) ALF. GROUNDED - YES. REPLACED #2 ENG TAI VALVE REF B737-900 AMM 30-21-11.Mar 30, 2020 · N423AS · Boeing 737990ER · Air Intake Anti/De-Ice SystemSDR ASAA2020021833185Warning Message · false activationCONT CAB ZONE TEMP CAUTION LIGHT ILLUMINATES WITH MASTER CAUTION RECALL EXTINGUISHES WHEN RESET. GROUNDED - YES. PERFORMED BITE CHECK ON BOTH TEMP CONTROLLERS REF B737-900 FIM 21-62 TASK 801 NO FAULTS FOUND. GROUND VERIFICATION CHECKS NORMAL.Feb 13, 2020 · N423AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020012861986Radar · false indicationRADAR IN AUTO SHOWING PHANTOM RETURNS AT 80NM RANGE. NO WEATHER IN THE AREA. GROUNDED - YES. WXR SYS OPS TESTED NORMAL IAW AMM 34-43-00-710-802-001, CDS BITE NORMAL WITHOUT FAULTS MESSAGE IAW IAW FIM 31-62 TASK 801. UNABLE TO DUPLICATE DEFECT.Jan 26, 2020 · N423AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2020012101903Hf Comm · malfunctionedHF2 FAIL IN ACTIVE & STANDBY WINDOWS. GROUNDED - YES. ACCOMPLISHED RTP B737-900 FIM 23-12 TASK 815, AND HF COMM BITE REF FIM 23-11 TASK 801 NO FAULTS LOGGED ON NR 1 OR 2 HF TRANSCEIVERS, COMM CHECK WITH SFO BY CREW OPS NORMAL. ALL GROUND TESTS PASSED.Jan 20, 2020 · N423AS · Boeing 737990ER · HF Communications SystemSDR ASAA2020012191918Toilet · leakingF/A REPORTS SULFUR SMELL MID CABIN SMELL FIRST ENCOUNTERED AT LEVEL OFF OF CRUISE . SMELL DISSIPATED THEN RETURNED APPROX 30 MIN LATER CABIN AIR QUALITY EVENT LEVEL 1. GROUNDED - YES. PERFORMED B737-900 FIM 05-51 TASK 814 STEP 5A & B FOUND EVIDENCE OF WASTE TAJan 19, 2020 · N423AS · Boeing 737990ER · Waste Disposal SystemSDR ASAA2019123061712Warning Light · illuminatedRIGHT PACK LIGHT DURING CLIMBOUT. RESET TRIP BUT LIGHT CAME BACK. TURNED OFF PACK FOLLOWING CHECKLIST. GROUNDED - YES. ACCOMPLISHED FIM 21-53 TASK 802, FAULT ISOLATION. RAN RT PACK FULL HOT & FULL COLD FOR 3 HOURS, UNABLE TO CAUSE PACK TO TRIP. REMOVED & Dec 26, 2019 · N423AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019112081381Start Valve · failedAFTER PUSHBACK, WE STARTED ENGINE #2, NORMAL START INCLUDING START SWITCH MOVING TO OFF AT 56%, BUT THEN START VALVE OPEN LIGHT REMAINED ILLUMINATED AND FLASHED. WE PERFORMED QRH PROCEDURE, SHUTDOWN ENGINE, STARTED #1 AND TAXIIED TO GATE. START VALVE OPEN LIGHNov 18, 2019 · N423AS · Boeing 737990ER · Engine Start Valves/ControlsSDR ASAA2019100743936Fmc · malfunctionedFMC DISAGREE ON GROUND IN SAN. GROUNDED - YES. ACCOMPLISHED QRH AND FM PROCEDURES. RESTORED NORMAL.Oct 4, 2019 · N423AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019092230793Screw · looseNUMBER 2 THRUST LEVER VIBRATES AND RATTLES INTERMITTENTLY IN CRUISE FLIGHT. GROUNDED - YES. SECURED LOOSE SCREW ON NR 2 ENG THROTTLE LEVER NO HISTORY.Sep 22, 2019 · N423AS · Boeing 737990ER · Power LeverSDR ASAA2019091930730Fmc · malfunctioned#2 FMC MAP VTK FAILURE. GROUNDED - YES. FOUND FMC #2 UNRESPONSIVE TO BITE AND POWER INDICATION IS EXTINGUISHED. OPENED AND RESET 2EA C/B. REMOVED AND REPLACED #2 FMC REF AMM 34-61-02-000-801/400-801. REMOVED TAGS AND RESET 2EA C/B. OPS CHECKS PASSED.Sep 19, 2019 · N423AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019090930663Blade · damaged#2 ENG SN 962761 FAN BLADES 1,2,6,7,10,11,14,17,18,21,23,24, HAS CU-NI DAMAGE REF TC 78472010. GROUNDED - YES. REPLACED ALL 24 BLADES PER T/C 78472010. ACCOMPLISHED VIBE SURVEY REF T/C 78472010.Sep 9, 2019 · N423AS · Boeing 737990ER · Turbine Engine Compressor SectionSDR ASAA2019090630643Unknown · malfunctionedIN CRUISE AT FL 360 NEAR PIH, CAPTAINS FMC SCREEN WENT BLANK AND DISPLAYED CALL, FAIL, MSG, OFFSET, AND AND EXEC LIGHTS. AFTER APPROX 30 SECONDS, FMC SCREEN DISPLAYED "BIT PASSED" FOR APPROX 2 SECONDS, THEN NORMAL OPS RESUMED. NEITHER ND OR AUTO FLIGHT FUNCTIOSep 6, 2019 · N423AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019083030588Window · damagedL-1 WINDOW DAMAGED REPLACE L1 WINDOW HEAT CONTROLLER PRECAUTIONARY. GROUNDED - YES. REPLACED L1 WINDOW HEAT CONTROLLER REF MM 30-41-11 OPS NORMAL.Aug 30, 2019 · N423AS · Boeing 737990ER · Flight Compartment WindowsSDR ASAA2019082763511Doubler · crackedCRACK ON GROUND POWER DOOR SURROUND DOUBLER LWR LAND AREA. GROUNDED - YES. REPAIRED PER B737-900 SRM 53-10-15-2R-4.Aug 26, 2019 · N423AS · Boeing 737990ER · Fuselage Main, Plate/SkinSDR ASAA2019072930238Engine · making metalDUE TO RESULTS OF METAL PARTICLES FOUND IN AGB/TGB CHIP DETECTOR REF L/P 12035616, #1 ENGINE REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE REF SHOP W/O 462860, N/R #00005.Jul 29, 2019 · N423AS · Boeing 737990ER · Engine (Turbine/Turboprop)
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