N440AS

Service difficulty reports · 298

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 = 'N440AS' 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 ASAA2022080639392Hydraulic Line · leakingWHILE PERFORMING ASA T/C 78472000 (INLET INSP) ON THE #2 ENGINE NOTED A HYDRAULIC LEAK APPEARS TO BE COMING FROM THE EDP HIGH PRESSURE LINE. GROUNDED - YES. REMOVED AND REPLACED HYD PRESSURE HOSE REF CFM56 SPM P/P BUILDUP 71-00-02.Aug 6, 2022 · N440AS · Boeing 737990ER · Hydraulic System, MainSDR ASAA2022071839124Indicator · inoperative#1 TANK REFUEL QUANTITY IND DISPLAY TEST INOP. GROUNDED - YES. REPLACED #1 TANK REFUEL QUANTITY IND REF. B737-900 AMM 28-41-61.Jul 18, 2022 · N440AS · Boeing 737990ER · Fuel Indicating SystemSDR ASAA2022071439085A/C Pack · warning lightLEFT PACK LIGHT ON AT RECALL LIGHT GOES OUT ON RESET. GROUNDED - YES. PERFORMED B737-900 FIM TASK 21-53-00-810-821. ACCOMPLISHED BITE PROCEDURE-PACK TEMP CONTROL, FOUND THIS PACK TCV FAULT LIGHT CAME ON. ACCOMPLISHED FIM 21-62 TASK 830 TO RESET SWITCH. GREEN LJul 14, 2022 · N440AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2022062138754Overheat · false indicationLEFT FORWARD WINDOW OVERHEAT LIGHT ON DURING FLIGHT CHECKLIST COMPLETED. LEFT FORWARD WINDOW HEAT TURNED OFF. GROUNDED - YES. C/W BITE CHECK IAW B737-900 FIM 30-41-11. OPS CHECK GOOD OVERHEAT LIGHT IS EXTINGUISHED.Jun 21, 2022 · N440AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022052838505Packing · damaged#2 ENGINE OIL FILLER CAP PACKING IS DAMAGED. GROUNDED - YES. REMOVED AND REPLACED #2 ENG OIL FILLER CAP PACKING AND INSPECTED FILLER CAP. NO DAMAGE NOTED REF B737-900 AMM 79-11-01-300-801-F00. NO OTHER DEFECTS NOTED.May 28, 2022 · N440AS · Boeing 737990ER · Engine Oil Storage (Airframe Furnished)SDR ASAA2022052838467Eec · failedENG #2 SHORT TERM FAULT 73-20052 INTERNAL EEC FAULT, 79-21092 THE ENGINE OIL PRESSURE SIGNAL (PEO) IS OUT OF RANGE, 73-21452 THE THRUST LEVER ANGLE POSITION SIGNAL IS OUT OF RANGE, 78-21542 EACH REVERSER SLEEVE HAS ONE POSITION SIGNAL OUT OF RANGE. DEFER PER TMay 28, 2022 · N440AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2022052838466Eec · faultyENG #2 SHORT TIME FAULT, 73-20322 - THE HMU FMV CONTROL CURRENT IS OUT OF RANGE, 75-20372 - THE HMU VSV CONTROL CURRENT IS OUT OF RANGE, 75-20422 - THE HMV VBV CONTROL CURRENT IS OUT OF RANGE, 78-21532 THE T/R LEVEL INTLK VOLTAGE INPUT TO THE EEC IS OUT OF RANMay 28, 2022 · N440AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2022052438437Adiru · faultyL IRS NOT DISPLAYING ANY INFORMATION IN FLIGHT AT FL340. NOTE- POWER INTERRUPTION ON THE GROUND DUE TO AFTER START FLOW BEING DONE INCORRECTLY (APU OFF BEFORE ESTABLISHING ELECTRIC- GEN). RE-RAN CHECKLISTS, CHECKED C/B, AND DID NOT NOTE ANY ANOMALIES. GROUNDEDMay 24, 2022 · N440AS · Boeing 737990ER · Attitude and Direction Data SystemSDR ASAA2022042838147Unknown · inoperativeREF T/C 78233008. EMERGENCY LIGHTS ROW 23-29 INOP. GROUNDED - YES. REMOVED & REPLACED EMERG POWER SUPPLY W/ BATTERY REF B737-900 AMM 33-51-06. OPS CHECK GOOD.Apr 28, 2022 · N440AS · Boeing 737990ER · Emergency LightingSDR ASAA2022041938060None · faultyENG 2 BLUE COWL VALVE OPEN ANNUNCIATOR AND AMBER TAI ANNUNCIATOR REMAIN ILLUMINATED AFTER ENGINE 2 ANTI-ICE SELECTED TO OFF. GROUNDED - YES. REMOVED & REPLACED #2 ENG COWL TAI VALVE REF B737-900 AMM 30-21-11, OPS CK GD, LK CKS GD.OKAY FOR CONT'D SVC.Apr 19, 2022 · N440AS · Boeing 737 · Air Intake Anti/De-Ice SystemSDR ASAA2022040738110Brake Assy · faultyREF T/C 78273000 ENG 1 SHOWS LONG TIME FAULT 76-31361 THE START LEVER SIGNALS DISAGREE. GROUNDED - YES. 450 FH LONG TIME FAULT DEFERRED TO PLT PER T/C 78273000. REPLACED #1 START BRAKE ASSY B737-900 AMM 76-11-10-420-801 UP TO STEP (H) ASSY TEST. PERFORMED ENGIApr 7, 2022 · N440AS · Boeing 737990ER · Engine ControlsSDR ASAA2022033137871Unknown · unknownAPPROX HALF WAY THROUGH THE FLIGHT THE FMC HAD AN ANOMALY THAT RESEMBLED A DUAL FMC FAILURE TO INCLUDE DUAL VTK AND DUAL MENU PAGE PRESENTATION ANOMALY LASTED FOR LESS THAN 2 MINUTES BEFORE RETURNING TO NORMAL OPERATIONS. GROUNDED - YES. PERFORMED B737-900 FIMMar 31, 2022 · N440AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022030637640Unknown · unknownDURING CRUSE AT FL 330 WE HAD AN FMC FAIL WITH & VTK ON THE CAPTAINS SIDE. IT SELF CORRECTED AFTER 5-10 SECONDS. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61 TASK 836. NO DEFECTS NOTED.Mar 6, 2022 · N440AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022012837290Unknown · unknownOVERWING EXIT SIGN FELL DOWN. GROUNDED - YES. REINSTALLED OVERWING EXIT SIGN REF B737-900 AMM 33-51-01.Jan 28, 2022 · N440AS · Boeing 737990ER · Emergency LightingSDR ASAA2022012837286Unknown · unknownAUTOLAND UNSUCCESSFUL- A/C WAS ATTEMPTING TO LAND RIGHT OF CENTERLINE. MANUALLY TOOK OVER LANDING. HGS APPROACH WAS SUCCESSFUL. GROUNDED - YES. LAND VERIFY TEST GOOD REF B737-800 AMM 22-11-00-201.Jan 28, 2022 · N440AS · Boeing 737990ER · Autopilot SystemSDR ASAA2022012737293Unknown · unknownAT LEVEL OFF FL370 LEFT FMC FAILED. AUTOMATICALLY RESET AFTER ABOUT THREE MINUTES. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 836. FMC RESET, CK NML OK FOR SVC.Jan 27, 2022 · N440AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022012037229Unknown · unknownDURING CRUISE LEFT FMC FAILED FOR APPROX 30 SECONDS THEN CAME BACK. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61-TASK 836. BOTH FMC CHECK NORMAL A/C OKAY FOR SERVICE. SEAMC STEVEN NOTIFIED.Jan 20, 2022 · N440AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022012037224Unknown · unknownAFTER START ON MASTER RECALL, CONTROL CABIN ZONE TEMP AMBER LIGHT ON. GOES OUT WITH RESET. GROUNDED - YES. PERFORMED PZTC BITE ON BOTH CONTROLLERS REF B737-900 FIM 21-62 TASK 801. FOUND FLIGHT DECK TRIM VALVE FAULTING ON BIT AND PREV. FLIGHT. PUSHED VERIFY ANDJan 20, 2022 · N440AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021121436904Unknown · unknownAUTOLAND/HGS AIII HYBRID APPROACH ON RUNWAY 16R AT FLARE DRIFFTED LEFT. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 22-11 TASK 825, LAND VERIFY TEST PASS. ACCOMPLISHED HGS SYSTEM TEST REF SMM 34-36-00 ALL CKS PASS.Dec 14, 2021 · N440AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021120436799Unknown · unknown"FMC DISAGREE" ON LEFT/RIGHT ND ON GROUND. GROUNDED - YES. RESET PER QRH PROCEDURE-OPS CHECK GOOD.Dec 4, 2021 · N440AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021112736709Acm · seizedR/H PACK LIGHT IS ON, WILL NOT RESET W/ MASTER CAUTION AND SIX PACK. GROUNDED - YES. UPON FCSOV REMOVAL FOUND ACM SIEZED AND DAMAGED BLADES. ALSO FOUND DAMAGE ON PRIMARY DIFFUSER. REMOVED ACM PER B737-900 AMM 21-51-04-000-802-002. REMOVED PRIMARY DIFFUSER PER Nov 27, 2021 · N440AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021112236674Unknown · unknownREFUEL PANEL QTY #2 INOP. GROUNDED - YES. OPS CHECK #2 REFUEL GAUGE OPS NML REF B737-900 FIM 28-21 TASK 804. ACCOMPLISH FQIS BITE: TEST PASSED, NO "CURRENT" FAULTS, AND NO FAULTS IN "IN FLIGHT" AND "HISTORY" REF FIM 28-41 TASK 801.Nov 22, 2021 · N440AS · Boeing 737990ER · Fuel Indicating SystemSDR ASAA2021112136677Unknown · unknownMOMENTARY LEFT FMC FAIL. VTK AND MAP FAIL FLAGS IN CAPTAIN'S ND. BOTH CDUS BLANK. RAN QRH. AFTER 1 MINUTE DUAL FMC OPS AUTOMATICALLY RECOVERED. GROUNDED - YES. VERIFIED FAULT, L/H FMC SHOWS R FMC FAULT, R/H FMC FLT FAULTS SHOW FMC L PRESS POS LAT RATE INTERMITNov 21, 2021 · N440AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021111336620Converter · faultyAPU "FAULT" CAUTION LIGHT DURING GROUND START. GROUNDED - YES. REMOVED AND REPLACED THE APU START CONVERTER UNIT. OPS CHECK GOOD. REF AMM 49-41-61-400-801. THIS CLEARS MEL 49-1B. PLACARDS REMOVED SEAMC FELIX NOTIFIED.Nov 13, 2021 · N440AS · Boeing 737990ER · APU Start/Ignition SystemSDR ASAA2021101636317Unknown · unknownAFTER START UP, "ELEC" LIGHT REMAINS ILLUMINATED. GROUNDED - YES. REF B737-900 FIM 34-31 TASK 801, PERFORMED ELECT LIGHT BITE. FOUND BATT CHGR 2 AUX BATT CHG ISPCU I FAULTS. ALL FAULTS ARE INTERMITTENT FAULTS. ALL FAULTS CLEARED. ELEC LIGHT NOW PASSES. NO FAULOct 16, 2021 · N440AS · Boeing 737990ER · DC Generating SystemSDR ASAA2021101036233Blade · wornWHILE PERFORMING T/C 78472010 FOUND BLADE #10 ON ENG #2 HAS MISSING CU-NI-IN COATING THAT IS WORN BEYOND LIMITS. GROUNDED - YES. REPLACED BLADES #10 AND 22 REF T/C 78472010.Oct 10, 2021 · N440AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021101036232Spacer · wornWHILE PERFORMING T/C 78472010. FOUND 13 SPACERS WORN BEYOND LIMITS. GROUNDED - YES. REPLACED FULL SET OF SPACERS REF T/C 78472010.Oct 10, 2021 · N440AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021101036231Shim · wornWHILE PERFORMING T/C 78472010 FOUND 24 SHIMS WORN BEYOND LIMITS. GROUNDED - YES. REPLACED FULL SET OF SHIMS REF T/C 78472010.Oct 10, 2021 · N440AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021090935894Autoland Sys · malfunctionedAUTOLAND UNSATISFACTORY. AIRCRAFT LINED UP AND REMAINED APPROXIMATELY 50' LEFT ON CENTERLINE REQUIRING PILOT INTERVENTION. GROUNDED - YES. ACCOMPLISHED DFCS BITE TEST. NO FAULT FOUND. ACCOMPLISHED LAND VERIFY TEST. ALL LLM TESTS PASSED. REF B737-900 AMM 22-11-Sep 9, 2021 · N440AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021082435784Warning Message · false activationCONT CAB ZONE TEMP ON DURING RECALL, LIGHT EXTINGUISHES WHEN RESETTING MASTER CAUTION. GROUNDED - YES. RLS PER MEL 21-21G CONT CAB ZONE TEMP PRIMARY INOP. ZONE TEMP CONT LOGGED FLIGHT DECK TRIM VALVE. FAULT CLEARED & TESTS NORMAL PER 21-61-00. GROUND VERIFICAug 24, 2021 · N440AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021081835757Circuit Breaker · trippedL WINDOW HEAT C/B FOUND POPPED ON PRE-FLT. GROUNDED - YES. C/B FOUND OPEN - RESET SYS OPS OK.Aug 18, 2021 · N440AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021072935590Actuator · faultedDESCENDING THROUGH 18,000 FT LEFT PACK LIGHT ON COMPLETED QRH PROCEDURE. GROUNDED - YES. PERFORMED PZTC BITE REF B737-900 AMM 21-51-00-700-803, FOUND L/H SRADA INLET FAULT LOGGED, RESET FAULT WITH NO HELP. R/R RAM AIR INLET ACTUATOR REF B737-900 AMM 21-51-21 OJul 29, 2021 · N440AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021071235372Fmc · faultedAFTER LANDING "VTK" CYCLING ON AND OFF EVERY 20 SECS OR SO ON CA'S ND LEFT FMC. GROUNDED - YES. FOUND FMC L STUCK IN REPEATING BITE CYCLE RESET NO HELP. FOUND FAULT "PGM" ON G LEG INFLIGHT FAULT L/H FMC. VERIFIED BOTH FMC'S HAD BOTH GREEN LIGHTS ILLUMINATED. MJul 12, 2021 · N440AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021071135340Oil Cooler · leakingEVIDENCE OF OIL LEAK FROM #2 ENG IDG AIR OIL COOLER. NOTE: OIL LEVEL IS ALSO LOW. GROUNDED - YES. REPLACED THE #2 ENG IDG AIR OIL COOLER, LEAK CHECK GOOD REF B737-900 AMM 24-11-21/401. IDG OIL SERVICED TO FULL REF AMM 12-13-21/301.Jul 11, 2021 · N440AS · Boeing 737990ER · AC Generator-AlternatorSDR ASAA2021070435263Hose · leakingL DUCT PRESSURE EXCEEDS 60 PSI LIMIT. AT 6000FT N1 69% L-61PSI R-40PSI. AT 7500FT N1 82% L-80PSI R-40PSI. AT 9000FT N1 95% L-80PSI R-40PSI. GROUNDED - YES. DIVERSION TIME 20 MINUTES - FOUND FLEX LINE AT PRECOOLER LEAKING P/N 16135-81. REPLACED FLEX LINE TO PRSJul 4, 2021 · N440AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2021070335262Shutoff Valve · inoperativeDUCT PRESSURE DIFFERENTIAL AT CLIMB POWER GOES TO NEAR 0 DIFFERENTIAL AT CRUISE POWER. @10,000' CLIMB L-68PSI R-39PSI. FL330 CLIMB N1 100.2% L-66PSI R-39PSI. FL340 CLIMB 100.5% N1 L-57PSI R-42PSI. FL340 CRZ N1 88.7% L-44PSI R-43PSI. FL360 CRZ N1 88.4% L-40PSI Jul 3, 2021 · N440AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2021062835195Battery Pack · failedR1 DOOR EMERGENCY LIGHTS DO NOT COME ON. GROUNDED - YES. REPLACED UNSERVICEABLE R1 DOOR EMERGENCY LIGHT BATTERY PACK WITH SERVICEABLE R1 DOOR EMERGENCY LIGHT BATTERY PACK, OPS CHK GOOD IAW B737-900 AMM 33-51-06-960-805 STEP 4.Jun 28, 2021 · N440AS · Boeing 737990ER · Emergency LightingSDR ASAA2021052434909Key · detachedRIGHT SIDE FMC MCDU LINE SELECT BUTTON R3 DETACHED. GROUNDED - YES. REMOVED & REPLACED RIGHT SIDE FMC MCDU REF B737-900 AMM 34-61-01. OPS CHECK GOOD.May 24, 2021 · N440AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021050434749Modulating Valve · inoperativeFWD CABIN ZONE TEMP LIGHT ILLUMINATES DURING MASTER CAUTION RECALL LIGHT EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. REMOVED AND REPLACED FWD CABIN TRIM AIR MODULATING VALVE PER B737-900 AMM 21-61-21-000-801 AND 21-61-21-400-801. OPS AND May 4, 2021 · N440AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021042034626Modulating Valve · faultedAIRCOND - ZONE TEMP CAUTION. GROUNDED - YES. REMOVED AND REPLACED ZONE TRIM AIR MODULATING VALVE POSITION. R/H FPX REF B737-900 AMM 21-61-21/401. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST AMM TASK 21-61-00-700-806-002. OPS CHECK GOOD.Apr 20, 2021 · N440AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021041634613Light · brokenFWD L-1 LWR EXIT EMERGENCY LT ASSY IS BROKEN. GROUNDED - YES. REMOVED AND REPLACED L1187 REF B737-900 WDM 33-51-21 AND OPS CKD NML REF B737-900 AMM 33-51-00.Apr 16, 2021 · N440AS · Boeing 737990ER · Emergency LightingSDR ASAA2021041634604Sign · detachedFWD L1 EXIT SIGN FELL OFF. GROUNDED - YES. REMOVED AND REPLACED L1187 REF B737-900 WDM 33-51-21 AND OPS CKD NML REF B737-900 AMM 33-51-00Apr 16, 2021 · N440AS · Boeing 737990ER · Emergency LightingSDR ASAA2021022034158Element · arcedWINDOW R1 HEATING ELEMENT ARCING AT SOLDER JOINT UPPER PORTION OF WINDOW TO RIGHT OF HANDHOLD. ARCING STOPPED ON TOUCHDOWN. GROUNDED - YES. REMOVED AND REPLACED NR .1 RT WINDOW REF B737-900 AMM 56-11-11/401. RELOCATED POWER LEAD AT IB 5012 TO TERMINAL NR 1Feb 20, 2021 · N440AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021021434087Warning Light · false activationLEFT PACK ILLUM ON RECALL DURING DESCENT. GROUNDED - YES. ACCOMPLISHED BITE CHECK OF #1 PACK/ZONE TEMP CONTROLLER IAW B737-900 AMM 21-61-00-700-806-002. FOUND "INLET" SRADA FAULT. FAULT RESET UPON COMPLETION OF BITE CHECK OF CONTROLLER AND DID NOT RETURN. OK FFeb 14, 2021 · N440AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020121133675Control Unit · faultedDURING CRUISE FLIGHT L2 WINDOW OVERHEAT LIGHT ILLUMINATED. WINDOW WAS COLD TO TOUCH. PERFORMED QRH PROCEDURE AND SELECTED HEAT BACK TO ON AFTER 5 MINUTES. HEAT ON LIGHT ILLUMINATED, BUT WINDOW NEVER FELT AS WARM AS L1. SEVERAL TIMES THE ON LIGHT CYCLED OFFDec 11, 2020 · N440AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2020121033676Warning Light · false activationLT SIDE WINDOW HEAT OVER HEAT LIGHT ILLUMINATED DURING DESCENT. ACCOMPLISHED WINDOW OVER HEAT ABNORMAL PROCEDURE IN QRH. OVERHEAT LIGHT REMAIN EXTINGUISHED. GROUNDED-YES. ACCOMP WINDOW HEAT OVERHEAT/POWER TEST, TEST PASS, REF B737-900 AMM 30-41-00-860-002.Dec 10, 2020 · N440AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2020111633565Control Unit · faultedAT CRUISE AT FL 360, MOMENTARY RED BOX AROUND N2 AND N1 VALUE FOR ENGINE 2 INDICATIONS. NO EXCEEDANCES OBSERVED. AFTER ENGINE SHUTDOWN AT THE GATE, THE NR 2 ENGINE N2 VALUE DISPLAY HAS A RED BOX AROUND IT. GROUNDED-YES. REF B737-900 FIM TASK 71-06 TASK 802Nov 16, 2020 · N440AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2020110233502Receptacle · contaminatedWHILE ACCOMPLISHING T/C 78273000 FOUND SHORT TIME FAULT "MSG NBR: 75-30451, THE VBV POSITION SIGNALS DISAGREE" SET ON FLIGHT LEG 3. DEFERRED PER T/C 78273000. GROUNDED-YES. PERFORMED B737-900 FIM 75-32 TASK 803. NO FAULTS PRESENT OR IN FAULT HISTORY. BOTHNov 2, 2020 · N440AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2020102833440Control Valve · leakingLEFT PACK LIGHT DURING FLIGHT, EXTINGUISHES WHEN MASTER CAUTION RESET. GROUNDED-YES. CONFIRMED FAULT, LEFT PACK LIGHT ILLUMINATES ON RECALL. LT PACK/ZONE TEMP CONTROLLER BITE SHOWS "SRADA INLET" FAULT. REMOVED & REPLACED LT SRADA INLET ACTUATOR, REF AMM 21Oct 28, 2020 · N440AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020100833322Diffuser · damagedLT PACK LIGHT ILLUMINATED ON GROUND WITH APU SUPPLYING AIR AFTER ABOUT 3 MINUTES. GROUNDED-YES. REMOVED LT PRIMARY HEAT EXCHANGER AND PLENUM/DIFFUSER. REPLACED DAMAGED DIFFUSER. REINSTALLED HEAT EXCHANGER AND PLENUM DIFFUSER. OPERATIONS CHECK GOOD, REF B7Oct 8, 2020 · N440AS · Boeing 737990ER · Cabin Cooling System
Back to N440AS