N434AS

Service difficulty reports · 176

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 = 'N434AS' 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 ASAA2022052138414Stop Pin · out of adjustL1 DOOR HARD TO OPEN AND CLOSE. GROUNDED - YES. ADJUSTED FWD ENTRY DOOR (L-1) GUIDE ARM AND FWD LOWER STOP PINS IAW B737-900 AMM 52-11-00-820-201. COMPLETED FWD ENTRY DOOR SYSTEM TEST, DOOR OPERATES NORMAL IAW AMM 52-11-00-700-804.May 21, 2022 · N434AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2022051838362Door · out of adjustL1 DOOR WILL NOT SHUT AND THE HANDLE IS VERY STIFF. GROUNDED - YES. PERFORMED GUIDE ARM ADJUSTED AND L1 DOOR NOW CLOSES PER B737-900 AMM 52-11-00-820-801. ALSO PERFORMED HORIZONTAL CONTROL ROD ADJUSTMENT AND HANDLE CLOSES AND MOVES MORE FREELY PER AMM 52-11-00May 18, 2022 · N434AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2022033037850Spacer · abnormalWHILE ACCOMPLISHING FAN LUBE ON #2 ENG T/C #78472010, FOUND SPACERS #14 AND #19 UNUSUALLY DIFFICULT TO INSTALL. GROUNDED - YES. REMOVED AND REPLACED SPACERS #14 AND #19 ON #2 ENG PER T/C #78472010.Mar 30, 2022 · N434AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021121336886Unknown · unknownAUTOLAND APP UNSUCCESSFUL FLARE ARMED DID NOT ILLUMINATE AFTER SINGLE CH SWITCHED TO CMD. NO TRIM BIAS AT 100' AIRCRAFT FLARED MANUALLY AT 50' NO FAULTS. ILS CRITICAL AREA CLEARED. WIND 260108. RUNWAY 2SL. SKY CLEAR. GROUNDED - YES. ACCOMPLISHED HGS SYSTEM TESDec 13, 2021 · N434AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021111336585Unknown · unknownMID CABIN OVERHEAD EMERGENCY EXIT LIGHT SIGN FELL OFF THE CEILING AND WAS HANGING FROM WIRES. GROUNDED - YES. SECURED MID CABIN OVERHEAD EMERGENCY EXIT LIGHT TO OVERHEAD, OPS CHECK GOOD OK FOR SERVICE.Nov 13, 2021 · N434AS · Boeing 737990ER · Emergency LightingSDR ASAA2021101636435Intercostal · corrodedAFT PIT INTERCOSTAL STA 767 TO 787 RBL 20 HAS CORROSION AT NUTPLATES ON TOP FLANGE. GROUNDED - YES. UPON FURTHER EVALUATION FOUND CORROSION TO BE 100% MAT LOSS OUT OF LIMITS. REMOVED AND REPLACED INTER COSTAL IAW 737-900 SRM 51-40-02-0G-0W=1" O= .050 R= 0.00 LOct 16, 2021 · N434AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021101336439Transition Panel · corrodedFWD PIT L/H TRANSITION HAS AREAS OF CORROSION STA 500H TO 500L DOT # RSM 13-002. GROUNDED - YES. FWD PIT LH TRANSITION PANEL FROM STA 500H TO 500L OUT OF LIMITS IAW B737-900 SRM 53-00-53-1A-2, REPAIRED IAW B737-900 SRM 53-00-53-2R-5.W= 3 O= .040 R= .015 L= 6 DOct 13, 2021 · N434AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021101336438Web · corrodedFWD PIT DOOR CUTOUT LOWER SILL WEB IS CORRODED. DOT # RSM 13-001. GROUNDED - YES. CORROSION FOUND TO BE 100% MAT LOSS, OUT OF LIMITS IAW 737-900ER SRM 53-30-15-1A-1. REMOVED AND REPLACED SILL WEB IAW 737-900ER SRM 51-40-02-0G-0.W= 6.5" O= .045 R= 0.00 L= 4FT DOct 13, 2021 · N434AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021101336436Transition Panel · corrodedFWD PIT R/H TRANSITION HAS CORROSION JUST FWD OF STA 500I DOT #RSM 13-003. GROUNDED - YES. REPAIRED FWD PIT R/H TRANSITION AT STA 500I IAW B737-900 SRM 53-00-53-2R-5.W= 2 O= .040 R= .032 L= 4 D= .008.Oct 13, 2021 · N434AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021101236441None · corrodedAFT PIT DOOR CUTOUT FWD SHIELD PANEL IS CORRODED. DOT # SM91-003. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW 737-900ER SRM 53-60-15-1A-1 REMOVED AND REPLACED SHEILD PNEL IAW 737-900 ER SRM 51-40-02-0G-0W= 2.5" O= .050 R= .028 L= 2FT D= .02Oct 12, 2021 · N434AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021101236440Cargo Track · corrodedAFT PIT CARGO TRACK JUST I/B OF DOOR CUTOUT HAS CORROSION DOT # SM91-002. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW 737-900ER SRM 53-00-53-1A-2. REPAIRED CARGO TRACK IAW 737-900ER SRM 53-00-53-2R-3 REPAIR 3.W= 2" O= .075 R= .046 L= 3" D= Oct 12, 2021 · N434AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021092036016Blade · damagedPER T/C 78472010 #1 ENGINE FAN BLADE LUBE, BLADES #2, #14, #16 #17, AND #18, CU-NI-IN COATING IS MISSING BEYOND LIMITS. GROUNDED - YES. REPLACED BLADES #2+14, #14+2, #16+4, #17+5, AND #18+6 PER T/C 78472010 ON ENG #1.Sep 20, 2021 · N434AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021092036014Spacer · nonePER T/C 78472010 NO #1 ENGINE FAN BLADE LUBE SPACERS 1,2,3,22 DISBONDED. GROUNDED - YES. REPLACED SPACERS 1,2,3,22 PER T/C 78472010 ON ENG #1.Sep 20, 2021 · N434AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021090835893Outflow Valve · failedAUTO FAIL ILLUMINATED DURING CLIMB, PER QRH ALT MODE SELECTED. PRESSURIZATION NORMAL. GROUNDED - YES. PERFORMED B737-900 FIM 21-31 TASK 801. CONTROLLER #1 FAULTED CODE 88 (SIGNAL TO OUT FLOW VALVE) FAIL. REPLACED OFV WITH NEW REF B737-900 AMM 21-31-03. ETOPS SSep 8, 2021 · N434AS · Boeing 737990ER · Pressure Regulator/Outflow ValveSDR ASAA2021083135836Shutoff Valve · inoperativeDURING CLIMB FROM 6000' TO FL390 DUCT PRESSURE SPLIT BY UP TO 25-30PSI. LEFT DUCT VARIED FROM 62 TO 75PSI, RIGHT DUCT AT 40-45PSI. WHEN LEVEL AT 390 AND POWER REMOVED TO CRZ , DUCT PRESSURES NORMALIZED. GROUNDED - YES. PERFORMED B737-900 MM TASK 36-11-00-700-8Aug 31, 2021 · N434AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2021072935605Warning Message · false activationFOUND ENG #2 SHORT TIME FAULT MSG# 75-30452 " THE VBV POSITION SIGNALS DISAGREE". DEFERRAL REQUIRED PER T/C 78273000. GROUNDED - YES. VERIFIED NO RECENT FAULTS #2 ENGINE ACCOMPLISHED TEST 12 ACTUATORS TEST, TEST PASSED NO FAULTS CH A & B REF B737-900 AMM 71-00Jul 29, 2021 · N434AS · Boeing 737990ER · Central WarningSDR ASAA2021033134485Mount · unsafetiedSATCOM ANTENNA MOUNTING SCREWS REQUIRE SEALANT. GROUNDED - YES. SEALED SATCOM ANTENNA MOUNT SCREWS AS NEEDED REF B737-900 MM 23-15-00-400-803.Mar 31, 2021 · N434AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021022734228Sensor · damaged#2 ENG BITE HAS FAULT 75-10802 T25 SIGNALS DISAGREE. SHORT TIME FAULT. DEFERRED PER T/C 78273000. GROUNDED - YES. REF LP #60124620, REMOVED & REPLACED T25 SENSOR REF B737-900 AMM 73-21-02-400-801-F00. ACCOMPLISHED EEC TEST REF AMM 73-21-00-700-804-F00. OPS CK Feb 27, 2021 · N434AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2021022734227Sensor · damaged#2 ENG BITE HAS FAULT 75-20802 T25 SIGNALS DISAGREE. SHORT TIME FAULT. DEFERRED PER T/C 78273000. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 75-33 TASK 805. NO FAULTS ARE PRESENT. UPON GVI OF T25 SENSORS, FOUND #2 PIN OF B CHANNEL SENSOR BENT. REMOVED & REPLACEFeb 27, 2021 · N434AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2021012033938Sensor · faultyWHILE PERFORMING T/C 78273000 FOUND NR 2 ENGINE FAULT MESSAGE NR: 75-30802 T25 SIGNALS DISAGREE. SHORT TIME FAULT. DEFERRED PER T/C 78-273000. GROUNDED-YES. REMOVED PT25 SENSOR, REF B737-900 AMM 73-21-02-000-801-F00. INSTALLED T25 SENSOR, REF AMM 73-21-02Jan 20, 2021 · N434AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2021010933854Spacer · debondedWHILE ACCOMPLISHING T/C 78472010 NR 2 ENGINE FOUND, 9 FAN BLADE SPACERS WITH ELASTOMERIC MATERIAL DISBONDING, ALL 24 FAN BLADE PLATFORMS, HAS WEAR PATTERN FROM CONTACT WITH HUB. GROUNDED-YES. REMOVED AND REPLACED 9 EA FAN BLADE SPACERS, ON NR 2 ENGINE, AND 2Jan 9, 2021 · N434AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2020121633728Connector · looseREF T/C 78273000, CDU CHECK FOR ENGINE FAULTS, ENGINE 2 SHORT TIME FAULT 75-30802 T25 SIGNALS DISAGREE. GROUNDED-YES. FOUND CONNECTOR DP0910 NEEDED TIGHTENING. PERFORMED REPAIR CONFIRMATION IAW B737-900 FIM 75-33 TASK 805. EEC TEST GOOD.Dec 16, 2020 · N434AS · Boeing 737990ER · Engine Fuel System WiringSDR ASAA2020120933661Pin · brokenL1 DOOR WILL NOT OPEN. GROUNDED-YES. FOUND SCREW BROKEN UPPER & LOWER RADIUS LINK PIN, REPLACED PIN, WASHER & SCREW PER B737-900 AMM 52-11-21-400-802.Dec 9, 2020 · N434AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2020113033621Solenoid · damagedHYDRAULIC SYSTEM ENGINE PUMP DEPRESS VALVE 2 CIRCUIT BREAKER OPEN (P6-2, A-17). GROUNDED-YES. O-RING FOR NR 2 ENGINE CONNECTOR DP1204 DAMAGED. REPLACED HARNESS MW0312, REF B737-900 AMM 71-51-03. REMOVED COLLAR FROM ENGINE PUMP DEPRESS VALVE NR 2 C/B AND RENov 30, 2020 · N434AS · Boeing 737990ER · Hydraulic System, MainSDR ASAA2020102333411Oil Filter · cloggedWHILE ACCOMPLISHING T/C N8349002, FOUND APU OIL FILTER INDICATOR EXTENDED. GROUNDED-YES. ACCOMPLISHED OIL FILTER INDICATOR SERVICING TASK B737-900 AMM 49-91-13-600-801. LUBE FILTER ELEMENT REPLACED, REF AMM 49-91-12, NO CONTAMINATION FOUND AND NO LEAKS DETEOct 23, 2020 · N434AS · Boeing 737990ER · APU Oil SystemSDR ASAA2020091423177Actuator · inoperativeDURING NR 2 ENGINE START, SPAR VALVE DID NOT OPEN, START ABORTED. GROUNDED - YES. CONFIRMED WITH NR 2 FUEL LEVER IN IDLE, SPAR VALVE CLOSED LIGHT STAYS IN-TRANSIT. REMOVED AND REPLACED SPAR VALVE ACTUATOR, REF B737-900 AMM 28-22-11-000-804/AMM 28-22-11-400-Sep 12, 2020 · N434AS · Boeing 737990ER · Aircraft Fuel Distribution SystemSDR ASAA2020080322976Actuator · faultedDURING ENGINE START, NUMBER 1 ENGINE WOULD NOT START. TWO FAILED ATTEMPTS, ONCE ON IGN L & ONCE IGN R. ENGINE SPINS UP NORMALLY TO 25% N2, ONCE START LEVER IS ADVANCED MINIMAL EGT INCREASE TO ABOUT 200 DEGREES THEN ENGINE N2 & N1 DECELERATES. ABORTED ENGINE STAug 2, 2020 · N434AS · Boeing 737990ER · Aircraft Fuel Distribution SystemSDR ASAA2020062963847Connector · disconnectedFOUND AISLE LIGHT CONNECTOR D14714 DISCONNECTED. GROUNDED - YES. CONNECTED THE CONNECTOR. OPS CHECKED GOOD IAW AMM 33-20-00, AND WDM 33-51-13.Jun 26, 2020 · N434AS · Boeing 737990ER · Light System WiringSDR ASAA2020061842809Fault Code · false indicationUPON INTERROGATING THE FMC CDU FOR ENGINE FAULTS, FOUND MSG NBR 75-30802. T25 SIGNALS DISAGREE. GROUNDED - YES. FOLLOWED B737-900 FIM TASK 75-33 TASK 805. ENGINE 2 PASSED EEC BITE (FIM 73-00 TASK 801). T25 SENSORS RESISTANCES ARE WITHIN LIMITS LISTED, J9 AND JJun 14, 2020 · N434AS · Boeing 737990ER · Central WarningSDR ASAA2020041402648Fault Code · false indicationNR 2 ENGINE FAULT CODE 75-10452, VBV POSITION SIGNALS DISAGREE. SHORT TERM FAULT DEFERRAL PER T/C 78273000. GROUNDED - YES. ACCOMPLISHED VBV SIGNALS DISAGREE FAULT ISOLATION SINGLE CHANNEL FAULT IAW FIM 75-32 TASK 803, ACCOMPLISHED EEC TEST IAW AMM 73-21-00 Apr 10, 2020 · N434AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2020041332635Fmc · malfunctionedON PREFLIGHT THE FMC WORKS AND THEN FREEZES WITH VTK APPEARING ON THE MFD'S ABOUT EVERY 5 SECONDS. GROUNDED - YES. RESET FMC'S SYSTEM OPS NORMAL REF B737-900 AMM 34-61-00.Apr 10, 2020 · N434AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA202002032055Autoland Sys · malfunctionedHGS III AUTOLAND UNSUCCESSFUL AIRCRAFT ATTEMPTED TO LAND 50 FEET LEFT OF CENTERLINE. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 22-11 TASK 825 "AIRPLANE ALIGNMENT PROBLEMS DURING AUTOLAND APPROACH" FAULT ISOLATION & DFCS LAND VERIFY TEST (GP 49) REF B737-900 AMFeb 1, 2020 · N434AS · Boeing 737990ER · Autopilot SystemSDR ASAA2020012732032Autoland Sys · malfunctionedON TOUCHDOWN AUTOLAND APPROACH, AIRCRAFT TOUCHED DOWN IN TOUCHDOWN ZONE AND IMMEDIATLY DEVIATED LEFT OFF CENTERLINE. GROUNDED - YES. DFCS FAULT HISTORY SHOWS NO FAULTS. ACCOMPLISHED DFCS LAND VERIFY TEST (GP 49) IAW AMM 22-11-00 & HGS SYSTEM TEST IAW SMM 34-36Jan 27, 2020 · N434AS · Boeing 737990ER · Autopilot SystemSDR ASAA2020011431848Anti-Ice Valve · stuckLEFT "COWL VALVE OPEN" REMAINED ILLUMINATED AFTER SWITCH MOVED TO OFF POSITION. GROUNDED - YES. REMOVED AND REPLACED NR 1 ENGINE ANTI-ICE VALVE REF AMM 30-21-11. PERFORMED SATISFACTORY OPS/ LEAK CK OF NR 1 ANTI-ICE VALVE USING THE ENGINE BLEED METHOD REF AMM 7Jan 13, 2020 · N434AS · Boeing 737990ER · Air Intake Anti/De-Ice SystemSDR ASAA2019122431695Oil Cooler · leakingAPU HAS A HISTORY OF OIL SERVICING AND BLUE MAINTENANCE LIGHT ILLUMINATING CURRENT OIL CONSUMPTION IS HIGHER THAN EXPECTED. GROUNDED - YES. FOUND BACK SIDE OF APU OIL COOLER COATED IN OIL. REMOVED AND REPLACED APU OIL COOLER REF AMM 49-91-41, LEAK CHECK GOOD.Dec 24, 2019 · N434AS · Boeing 737990ER · APU Oil SystemSDR ASAA2019121983643Circuit Breaker · trippedDISCOVERED WEATHER RADAR RT CIRCUIT BREAKER OPEN DURING PREFLIGHT INSPECTION. GROUNDED - YES. RESET WEATHER READAR C/B ON P-6 PANEL IAW SWPM 20-60-00.Dec 18, 2019 · N434AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2019121633613Line · leakingREF L/P 1209698 ETOPS OIL SERVICED, PER SEAMC APU OIL CONSUMPTION LIMITS MAY HAVE BEEN EXCEEDED. GROUNDED - YES. PERFORMED GVI OF DRAIN MAST PER B737-900 AMM 49-16-11. FOUND BOTTOM TEMP CONTROL VALVE LINE LEAKING. REMOVE BOTTOM LINE AND FOUND O RINGS TEAR. REPDec 13, 2019 · N434AS · Boeing 737990ER · APU Oil SystemSDR ASAA2019112191383Warning Light · false activationON RECALL, CONT CAB ZONE TEMP ANNUNCIATOR ILLUMINATED. EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. SUPPLIED CONDITIONED AIR WITH BOTH PACKS, CONT CABIN ZONE TEMP LIGHT REMAINS OFF, LIGHT DOES NOT ILLUMINATE WITH MASTER CAUTION RECALL, REF B737-900 Nov 19, 2019 · N434AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2019103127155Wire · brokenDURING DESCENT THE AUTOPILOT DISCONNECT AURAL WARNING FAILED TO SOUND WHEN AUTOPILOT B WAS DISCONNECTED AT FO YOKE SWITCH. THE DISCONNECT LIGHT DID ILLUMINATE DURING DISCONNECT. SAME RESULT FOR AUTOPILOT A. SAME RESULT WHEN USING DISCONNECT SWITCH ON CAPTAINS Oct 27, 2019 · N434AS · Boeing 737990ER · Auto Flight System WiringSDR ASAA2019102961157Electronic Unit · failedSATCOM DIALS AND GETS ANSWERED BUT WE CANNOT RECEIVE. NO DIALING OR ANY THING IS HEARD. GROUNDED - YES. REPLACED REU, OPS CHECK GOOD. IAW B737-900 AMM 23-51-01-000-801, 23-51-01-000-802.Oct 26, 2019 · N434AS · Boeing 737990ER · Communications SystemSDR ASAA2019092530824Probe · inoperativeLEVEL AT FL320 ENROUTE TO JNU RECEIVED MASTER CAUTION AND TEMP PROBE FOLLOWED QRH AND RETURNED TO SEA. GROUNDED - YES. AIR TURNBACK. DIVERSION TIME 78 MINUTES - TROUBLESHOT AND FOUND TAT PROBE TO BE FAILING REPLACED TAT PROBE PER AMM 34-21-06 AND OPS CHECKED GSep 25, 2019 · N434AS · Boeing 737990ER · Outside Air Temperature Indicator/SensorSDR ASAA2019092030755Oil Cooler · leaking#2 ENG IDG OIL LEVEL LOW, OIL RESIDUE ON T/R SLEEVE BEHIND OIL COOLER. GROUNDED - YES. REPLACED THE #2 ENG IDG OIL COOLER (AIR/OIL) AND SERVICED THE #2 ENG IDG OIL LEVEL TO CORRECT LEVEL. LEAK CHECK GOOD REF AMM 24-11-21/401.Sep 20, 2019 · N434AS · Boeing 737990ER · AC Generator-AlternatorSDR ASAA2019091830722Pin · not seatedWE DID THE SATCOM QRH LOCKUP PROCEDURE ON THE GND AND GOT THE PROMPTS BACK. IN FLIGHT WE NOTICED THE LEFT FMC SAT PROMPT WENT AWAY. THE RT FMC STILL HAS THE PROMPT AND APPEARS TO BE WORKING. GROUNDED - YES. RESEATED PINS IN TB3301 W9084-9026 R/B-22, OPS CKS GOSep 18, 2019 · N434AS · Boeing 737990ER · Communications System WiringSDR ASAA2019072430217Warning System · false activationWHILE PERFORMING TASK CARD NUMBER 78273000, FOUND MAINT MESSAGE 75-30452 - "VBV POSITION SIGNALS DISAGREE" PRESENT ON #2 ENGINE. GROUNDED - YES. ACCOMPLISHED T/C 78273000. NO FAULTS FOR LAST 10 FLT LEGS.Jul 24, 2019 · N434AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2019070829961Warning System · false activationON RECALL THE RT PACK LIGHT ILLUMINATED. IT DID RESET. GROUNDED - YES. PERFORMED PFTC BITE AND FOUND FAULT MESSAGE 21-51406 SRADA EXIT ON RT CONTROLLER, REF FIM 21-62 TASK 801. PER FIM 21-62 TASK 879 CYCLED POWER TO CLEAR SRADA MEMORY. PERFORMED BITE 21-62 TASJul 8, 2019 · N434AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019062869838Warning Light · false activationCONT CAB ZONE TEMP LIGHT CAME ON DURING RECALL EXTINGUISHED WITH PUSH TO RESET. GROUNDED - YES. PERFORMED B737-900 FIM 21-62 TASK 842. BITE TEST OF THE LEFT AND RIGHT PFTC ACCOMPLISHED WITH NO FAULTS.Jun 26, 2019 · N434AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2019062419794Sensor · faultedL2 WINDOW OVERHEAT LIGHT ILLUMINATED IN FLIGHT AT FL340, RESET PER QRH AND OPERATION NORML. GROUNDED - YES. DUE TO HISTORY PERF WCHU BITE TEST PER B737-900 FIM 30-41 TASK 811, LAST 8/10 FLIGHTS FOUND SENSOR FAULT FOR L2 SIDE WINDOW. MOVED PRIMARY SENSOR WIRE TJun 21, 2019 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019062089760Wire Harness · disconnectedR2 WINDOW HEAT OVERHEAT LIGHT. GROUNDED - YES. FOUND RH SIDE WINDOW HEAT HARNESS DISCONNECTED. CONNECTED HARNESS AND ACCOMPLISHED WINDOW HEAT CONTROL UNIT SYSTEM - TEST, NO DEFECTS NOTED, REF B737-900 AMM 30-41-11.Jun 18, 2019 · N434AS · Boeing 737990ER · Ice/Rain Protection System WiringSDR ASAA2019061879733Warning Message · false activationLEFT SIDE WINDOW OVERHEAT WITH MASTER CAUTION @ FL360. GROUNDED - YES. PERFORMED B737 QRH 3.5. RESET AND OPS NORMAL.Jun 17, 2019 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019061879730Warning Light · false activationCONT CAB ZONE TEMP LIGHT ON RECALL CLEARED WITH MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROLLER BITE REF B737-900 FIM 21-62 TASK 801. GROUND VERIFICATION TEST PASSED, CONT CAB TEMP CONTROL OPS NORMAL.Jun 17, 2019 · N434AS · Boeing 737990ER · Cabin Temperature Control System
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