N402AS

Service difficulty reports · 333

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 = 'N402AS' 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 ASAA2022072639212Probe · faultyTECHNICAL SERVICES RECEIVED EXCEEDANCE R06 REPORT POSSIBLE EGT EXCEEDANCE ON TAKEOFF FOR #2 ENGINE. GROUNDED - YES. REPLACED PROBE #3 REF B737-900 AMM 77-21-01/401. REPLACED CJ10 HARNESS REF AMM 7321-06/401.Jul 26, 2022 · N402AS · Boeing 737990ER · Engine Temperature Indicating SystemSDR ASAA2022070638970Sign · detachedFA REPORTS EMER EXIT SIGN MARKING OVERWING EXITS FELL OUT OF MOUNTING BRACKET & HANGING BY A WIRE. GROUNDED - YES. REINSTALLED EMER EXIT SIGN BY OVERWING EXITS REF B737-900 AMM 33-51-01. REMOVED AND REPLACED POWER SUPPLY AT RH MID CABIN REF B737-900 AMM 33-51-Jul 6, 2022 · N402AS · Boeing 737990ER · Emergency LightingSDR ASAA2022062938873Control Valve · faultedSITTING AT THE GATE WITH APU BLLED AND BOTH PACKS OFF, SUDDENLY GOT L PACK LIGHT ILLUMINATED, AND WOULD NOT RESET WITH MASTER CAUTION RESET. THIS PACK ALREADY HAS MEL 21-32B APPLIED. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL BITE TEST AND FOUND TCV FAULT.Jun 29, 2022 · N402AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2022062838877Cdu · inoperativeLEFT SIDE VTK ILLUMINATED FOLLOWED BY MAP FLAG AND NO INFORMATION ON EITHER CDU'S FMC-L INOPERATIVE. GROUNDED - YES. REPLACED THE LH FMC PER B737-900 MM 34-61-02/401. OP-CHECKS GOOD. THIS CLEARS MEL 34-36J. PLACARDS WITH C/N 28060402 REMOVED. CONFIGURATION CHAJun 28, 2022 · N402AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022062638835Coupling · looseAT FL360, ENG LOW OIL QTY ALERT W/3 QTS INDICATED ON ENG #1. SLOW DECREASE TO ZERO QTY. OIL TEMP SLOW INCREASE TO 105 DEG. OIL PRESSURE FLUCTUATIONS 1-3 PSI W/ 27 PSI INDICATED IN DESCENT. ENGINE SHUT DOWN PER QRH. GROUNDED - YES. DIVERSION - ADDED 17 QTS TO #Jun 26, 2022 · N402AS · Boeing 737990ER · Engine Oil Distribution (Airframe Furnished)SDR ASAA2022062438788A/C Pack · warning lightLEFT PACK LIGHT ILLUMINATED DURING DESCENT BELOW FL260 SINGLE PACK LIGHT STAYED ILLUMINATED. GROUNDED - YES. PERFORMED PZTC BITE - B737-900 AMM 21-61-00. FOUND #1 PZTC LOGGED LEFT PACK TCV. ONE TIME. ABLE TO CLEAR FAULT. GROUND RAN LEFT PACK FOR 1 HR. NO FAULTJun 24, 2022 · N402AS · Boeing 737990ER · Cabin Temperature ControllerSDR ASAA2022061538652Transceiver · intermittentRADAR HAS INTERMITTENT VERY LOW POWER OUT DURING FLIGHT. POOR DEPICTION OF HAZARDOUS THUNDERSTORMS WITH GAIN HIGH OR LOW. TESTS OK ON GROUND. UNSATISIFACTORY FOR FLIGHT INTO WEATHER WITH POSSIBILITY OF NEED FOR RADAR. POOR RECEPTION OF DATA DEPICTING SEVERE THJun 15, 2022 · N402AS · Boeing 737990ER · Independent Position Determining SystemSDR ASAA2022060538555Power Supply · inoperativeOVERHEAD EXIT SIGN BETWEEN OVERWING EXITS INOP. GROUNDED - YES. FOUND POWER SUPPLY M1695 INOP. REMOVED & REPLACED POWER SUPPLY IAW B737-900 AMM 33-51-06. OPS NORMAL.Jun 5, 2022 · N402AS · Boeing 737990ER · Emergency LightingSDR ASAA2022051238308Radar · intermittentWX RADAR AFTER SWITCHING TO MANUAL AND BACK TO AUTO REMAINED STUCK IN MANUAL ON FO SIDE. RETURNS WERE ALSO VERY INACCURATE UNTIL VERY CLOSE TO PRECIP. GROUNDED - YES. PERFORMED MULTIPLE GOOD OPS TESTS ON GROUND PER B737-900 AMM 34-43-00-710-802-001. PERFORMED May 12, 2022 · N402AS · Boeing 737990ER · Doppler SystemSDR ASAA2022050938256Fmc · faultedIN CRUISE VTK APPEARED ON CAPTAINS ND AND FMC DATA DISAPPEARED ON BOTH CDU'S. AFTER ABOUT 1 MINUTE, THE VTK FLAG DISAPPEARED AND FMC DATA WAS RESTORED ON BOTH CDU'S. GROUNDED - YES. PERFORMED FMC BITE TEST PER B737-900 FIM 34-61 TASK 801. BOTH FMC CHECK GOOD.May 9, 2022 · N402AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022041738071Valve · faultyCONT CABIN ZONE TEMP LIGHT ILLUM ON MASTER RECALL ZONE TEMP LIGHT EXTINGUISHES W/ MASTER CAUTION RESET(PUSHED). GROUNDED - YES. ON DEFERRAL.Apr 17, 2022 · N402AS · Boeing 737990ER · Air Distribution SystemSDR ASAA2022032137756Regulator · inoperativeLEFT ENG DUCT PRESSURE @ 5 PSI AT IDLE. GROUNDED - YES. ACCOMPLISHED TROUBLESHOOTING ON LEFT ENG PNEU SYS PER B737-900 AMM TASK 36-00-00-860-807 PROCEDURE C. STEPS 1 THRU 6. R & R HIGH STAGE REGULATOR & HIGH STAGE VLV. ACCOMPLISHED IDLE RUN OPS CK GOOD REFERENMar 21, 2022 · N402AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2022031937710Unknown · unknown(LEFT) PACK AMBER LIGHT ILLUMINATED. CONFIRMED WITH QRH 2.12. GROUNDED - YES. CONFIRMED FAULT AT PACK TEMP CONTROLLER (L) FOR TCV. PERFORMED PACK TEMP CONTROL BITE PROCEDURE B737-900 FIM 21-62 TASK 801. TCV FAULT LIGHT CLEARED NO CURRENT FAULTS NOTED AT THIS TMar 19, 2022 · N402AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2022031237680Shutoff Valve · leakingON TAXI IN, NOTICED A DUCT PRESSURE SPLIT- RIGHT WAS @18 PSI - LEFT WAS AT 8 PSI. GROUNDED - YES. PERFORMED B737-900 AMM TASK 36-00-00-860-807. FOUND PRSOV LEAKING FROM MANUAL OVERRIDE NUT ON #1 ENGINE. REMOVED AND REPLACED PRSOV. OPS/LEAK CHECK GOOD. GROUND VMar 12, 2022 · N402AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2022012337231Lamp · inoperativeEMERGENCY EXIT LIGHT AFT OF R1 DOOR INOP. GROUNDED - YES. RELAMPED SLIDE/OVERWING LIGHT AFT OF R1 DOOR REF B737-900 AMM 33-51-04. OPS CHECK GOOD.Jan 23, 2022 · N402AS · Boeing 737990ER · Emergency LightingSDR ASAA2022012037233Spinner · damagedPER T/C 78472010 # 1 ENG FAN BLADE LUBE FRONT SPINNER CONE WHITE ANTI-EROSION PAINT MISSING BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FRONT SPINNER CONE REF AMM 72-21-01. SEAMC RAY NOTIFIED TERMINATING DEFECT NO, 60299724.Jan 20, 2022 · N402AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2022012037210Spacer · debondedPER T/C 78472010 #1 ENGINE FAN BLADE LUBE SPACERS # 3,8,9,10,11,16,19,21,AND 23 ARE DISBONDED. GROUNDED - YES. REPLACED #1 ENGINE FAN BLADE SPACERS #3,8,9,10,11,16,19,21, AND 23 REF. T/C 78472010.Jan 20, 2022 · N402AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2022012037209Blade · damagedPER TC 78472010 #1 ENGINE FAN BLADE LUBE #20 FAN BLADE CU-NI-IN COATING MISSING BEYOND LIMITS ON CC SIDE. GROUNDED - YES. REPLACED #1 ENGINE FAN BLADE #20 AND #8 REF T/C 78472010.Jan 20, 2022 · N402AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2022012037208Blade · damagedPER TC 78472010 #1 ENGINE FAN BLADE LUBE #17 FAN BLADE CU-NI-IN COATING MISSING BEYOND LIMITS ON CV SIDE. GROUNDED - YES. REPLACED #1 ENGINE FAN BLADE #17 AND #5 REF T/C 78472010.Jan 20, 2022 · N402AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2022010737089Idg · faultyAFTER ENGINE START, #1 ENGINE GENERATOR WOULD NOT ENGAGE. GROUNDED - YES. GCU BITE CHECK C/O REF B737-900 FIM 24-21 TASK 801. PRIOR TO TEST GCU NO. 1 SHOWED IDG FAULT. TEST C/O SATIS - GCU BITE CHECK PASS. NO. 1 IDG RECONNECTED FOR IDG FAULT FOR GCU 1 FIM. REFJan 7, 2022 · N402AS · Boeing 737990ER · Alternator-Generator DriveSDR ASAA2021101336284Modulating Valve · inoperativeFWD CABIN ZONE TEMP LIGHT ILLUMINATES ON MASTER CAUTION RECALL EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. #2 ZONE TEMP CONT FAULTED THIS PACK TCV ON BIT, PREV FLT, & VERIFY. REF CORRECTIVE ACTION ON LOG 60252989, AFTER PART REPLACED & MSG RESET, RANOct 13, 2021 · N402AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021101336283Controller · faultyRIGHT PACK LIGHT ILLUMINATED DOES NOT EXTINGUISH ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED RH AFT TEMP CONTROL VALVE REF AMM 21-51-10 OPS AN DLEAK CHECK GOOD. THIS CLEARS MEL 21-33E AND 21-1G. MX PROCEDURES REVERSED SEAMC ANDY NOTIFIED. REFOct 13, 2021 · N402AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021101136274Modulating Valve · faultyRIGHT PACK LIGHT ILLUMINATED AFTER START ON RECALL. EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. #2 ZONE TEMP CONT FAULTED THIS PACK TCV ON BIT, PREV FLT, & VERIFY. REF CORRECTIVE ACTION ON LOG 60252989 FOR TCV REPLACEMENT. AFTER PART REPLACED, RE-VEROct 11, 2021 · N402AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021092636091Heat Exchanger · failedTORQUE CHECK FAILED ON FUEL INLET TUBE ON #2 ENGINE MAIN OIL/FUEL HEAT EXCHANGER. GROUNDED - YES. REPLACED #2 ENGINE MAIN OIL/FUEL HEAT EXCHANGER PER B737-900ER AMM 79-21-02. LEAK CHECK GOOD.Sep 26, 2021 · N402AS · Boeing 737990ER · Engine Oil Distribution (Airframe Furnished)SDR ASAA2021092636090Heater · leaking#2 ENGINE FUEL HEATER SERVO LEAKING AT TOP COVER GASKET. GROUNDED - YES. REPLACED #2 ENGNE FUEL HEATER SERVO PER B737-900ER AMM 73-11-07. LEAK CHECK GOOD.Sep 26, 2021 · N402AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2021092636082Actuator · leakingFOUND FUEL LEAK ON ENG #2 OF THE RH VSV DRAIN LINE. (104 DROPS PER MINUTE). GROUNDED - YES. REMOVED & REPLACED #2 ENG R/H VSV ACTUATOR REF B737-900 AMM 75-31-01. LEAK & OPS CHECK GOOD.Sep 26, 2021 · N402AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2021090435854Hf Comm · failed#2 HF FAIL. GROUNDED - YES. ACCOMPLISHED FIM 23-11 TASK 806. OPS TEST NORMAL.Sep 4, 2021 · N402AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021072935603Starter · failedDURING #1 ENGINE START, NO N1, NO N2. MADE TWO ATTEMPTS. GROUNDED - YES. REMOVED AND REPLACED #1 L/H ENG STARTER REF B737-900 AMM 80-11-01-000-801-F00 AND AMM 80-11-01-400-800-F00. ACCOMPLISHED ENG RUN STARTER POWERPLANT TEST REF AMM TASK 71-00-00-800-811. OPSJul 29, 2021 · N402AS · Boeing 737990ER · Engine StarterSDR ASAA2021072135509Actuator · faultedFOUND #1 ENGINE SHORT TERM FAULT 75-10401 THE VSV POSITION SIGNALS DISAGREE. GROUNDED - YES. REF DEFECT # 60175997 FOR TROUBLESHOOTING AND REPLACEMENT OF THE #1 ENG R/H VSV ACTUATOR. THIS CLEARS PLT DEFFERAL, C/N 21004402 REMOVED, SEAMC ANDY CONTACTED.Jul 21, 2021 · N402AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2021072135503Actuator · faultedFOUND #1 ENGINE SHORT TERM FAULTS 75-20401 THE VSV POSITION SIGNALS DISAGREE. GROUNDED - YES. PERFORMED B737-900 FIM 75-31 TASK 803 AND TASK 804 TROUBLESHOOTING FOR ACTUATOR AND HARNESS RESISTANCES. ALL VALUES WITHIN RANGE. EEC TEST PASSED REF B737-900 AMM 73-Jul 21, 2021 · N402AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2021070735502Actuator · faultedFOUND #1 ENG LONG TIME FAULT 75-10391 THE VSV POSITION SIGNAL IS OUT OF RANGE. GROUNDED - YES. PERFORMED B737-900 FIM 75-31 TASK 803 AND TASK 804 TROUBLESHOOTING FOR ACTUATOR AND HARNESS RESISTANCES. ALL VALUES WITHIN RANGE. EEC TEST PASSED REF B737-900 AMM 73Jul 7, 2021 · N402AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2021061235083Modulating Valve · faultyENROUTE FA'S SAID PREMIUM CLASS PASSENGERS WERE VERY WARM AND WE TRIED TO COOL CABIN. NO CHANGE WE AN CABIN HOT QRH AND TUNED TRIM AIR SWITCH OFF. CABIN COOLED BETTER. OTHER PARTS OF CABIN WERE NORMAL. GROUNDED - YES. PERFORMED B737-900 FIM 21-61 TASK 801 #2 TJun 12, 2021 · N402AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021052834965Sensor · failedLEFT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. ACCOMPLISHED CHECKLIST AND OVERHEAT LIGHT STAYED EXTINGUISHED. GROUNDED - YES. DUE TO RECENT HISTORY, PERFORMED WHCU BITE, OP CHECK NORMAL. WHCU SHOWS SENSOR FAULT ON ALL 10 PREVIOUS FLIGHT LEGS. L2 WINDOW SENSMay 28, 2021 · N402AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021052734933Warning Message · false activationL-2 WINDOW OVERHEAT. GROUNDED - YES. WINDOW HEAT SWITCH OFF WAITED 5 MINUTES, WINDOW HEAT SWITCH ON LIGHT STAYED EXTINGUISHED.May 27, 2021 · N402AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021042834705Indicator · extinguishedLEFT SIDE WINDOW HEAT GREEN LIGHT EXTINGUISHED. GROUNDED - YES. RELEASED PER MEL 30-11E L #2 WINDOW HEAT INOP AUTHORIZED BY SEAMC ROBERT @ 1635Z. REF B737-900 FIM 30-41 TASK 801 LEFT SIDE WHCU BIT VERIFY SHOWS NO FAULTS WINDOW HEAT OP CK GOOD PER MM 30-41-00 MApr 28, 2021 · N402AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021042234634Fmc · malfunctionedCAPT FMC L1 THRU L6 AND R1 THRU R6 BUTTONS UNRESPONSIVE. GROUNDED - YES. RESET CAPT'S FMC, ACCOMPLISHED CAPT'S FMC BITE PER B737-900 FIM TASK 34-61-00-810-801, OPS NML. ALL L/R KEYS OPS NML.Apr 22, 2021 · N402AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021041134558Fmc · failedDUAL FMC FAILURE AFTER LANDING. FMCS RECOVERED AFTER A FEW SECONDS. GROUNDED - YES. PERFORMED FMCS BITE REF B737-900 FIM 34-61 TASK 801 IN FLIGHT FAULTS ON L FMC FOUND "PGM FAULT I" AND ON R FMC FOUND "PGM FAULT I" REF FIM 34-61 TASK 807 FMC L+R AUTOMATICALLY Apr 11, 2021 · N402AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021040234496Fmc · malfunctionedMOMENTARY LOSS OF LNAV, VNAV, FMC PROMPT ON MENU PG OF BOTH MCDU'S FOR APPROX 10 SECS, COULD NOT ENGAGE LNAV OR VNAV UNTIL PROMPT RETURNED AT WHICH LNAV VNAV ENGAGED NORMALLY. NO VTK FLAG ON EITHER MAP DISPLAY. A/P HAD SWITCHED TO CWS PITCH & ROLL. I DON'T RECApr 2, 2021 · N402AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021021434093Warning Message · false activationL2 WINDOW HEAT OVERHEAT SHORTLY AFTER REACHING CRUISE ALTITUDE. GROUNDED - YES. QRH FOLLOWED. RESET SUCCESSFUL.Feb 14, 2021 · N402AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021012233929Fmc · failedLEFT FMC FAIL BRIEFLY IN FLIGHT. VTK DISPLAYED CAPTAINS SIDE NAV DISPLAY. SYSTEM RECOVERED ON ITS OWN AND OPERATIED NORMALLY FOR DURATION OF FLIGHT. GROUNDED-YES. PREVIOUSLY RECORD FAULT MESSAGE NO LONGER PRESENT ON FFR, NO FAULTS WERE LOGGED ON LT & RT ADJan 22, 2021 · N402AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020121133679Fmc · failedAFTER LANDING CAPT FMC FAILED. RESETS AND FAILS CONTINOUS LOOP. GROUNDED-YES. PERFORMED FMC RESET PROCEEDURE, REF B737-900 FIM 34-61 TASK 836. PERFORMED FMC BITE PROCEDURE, REF B737-900 FIM 34-61 TASK 801. NO FAULTS NOTED. OK FOR SERVICE.Dec 11, 2020 · N402AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020103033457Fmc · failedLEFT FMC FAILED MULTIPLE TIMES. RAN CHECKLIST WHICH HAD US SWITCH FMC SOURCE TO RIGHT FMC. GROUNDED-YES. PERFORMED FMC RESET PROCEDURE, REF B737-900 FIM 34-61 TASK 836, INTERMITTENT FAULT. PERFORMED FMC BITE, REF FIM 34-61 TASK 801, NO FAULTS NOTED. OK FOOct 30, 2020 · N402AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020101133328Fmc · malfunctionedVTK ON CAPTAIN'S ND AND LDG ACT FLAG ON CAPTAIN'S PFD. ACCOMPLISHED FMC FAIL CHECKLIST ON P6.11.3. FMC SWITCH BACK TO NORMAL ON STEP 6. HOWEVER VTK & LDG ACT FLAGS BECAME INTERMITTENT. DECIDED TO PUT FMC SWITCH BACK TO BOTH ON RT. VTK & LDG ACT FLAGS NO LOct 11, 2020 · N402AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020100233270Heater · inoperativeAUX PITOT LIGHT ON DURING FINAL APPROACH. GROUNDED-YES. REMOVED AND REPLACED LOWER RIGHT (AUX) PITOT PROBE, REF B737-900 AMM 34-11-01. TURNED PROBE HEAT SWITCH ON AND LIGHT IS EXTINGUISHED. PERFORMED OPERATIONS CHECK AMM 34-11-01- INSTALL TEST G(3) TO (7) Oct 2, 2020 · N402AS · Boeing 737990ER · Pitot/Static Anti-Ice SystemSDR ASAA2020091433169Guide Arm · out of adjustAFT EDGE OF L1 DOOR HAS GAP AFTER IT IS CLOSED "FWD ENTRY" LIGHT REMAINS ON. GROUNDED - YES. ADJUSTED L1 DOOR GUIDE ARM, REF B737-900 AMM 52-11-00-820-801 STEP 2H. FWD ENTRY DOOR LIGHT EXTINGUISHED WHEN DOOR IS CLOSED.Sep 13, 2020 · N402AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2020080422981Indication Sys · malfunctionedWITH BOTH F/D SWITCHES ON, COMMAND BARS ON FO PFD DISAPEARED WHEN APP MODE BECOME ACTIVE AT GLIDESLOPE INTERCEPT. RECYCLED F/D SWITCHES AND LOC ON GS ENGAGED ON CAPT SIDE BUT NOT ON FO SIDE. GROUNDED - YES. ACCOMPLISHED DFCS FLIGHT FAULT REVIEW, GROUP BITE 12,Aug 2, 2020 · N402AS · Boeing 737990ER · Indicating/Recording SystemSDR ASAA2020073132968Oil Cooler · leakingWHILE ACCOMPLISHING PDC FOUND #2 IDG NO OIL AND EVIDENCE OF OIL LEAK FROM IDG OIL COOLER. GROUNDED - YES. FOUND IDG AIR/OIL COOLER LEAKING ON #2 ENGINE. REMOVED AND REPLACED IDG AIR/OIL COOLER REF B737-900 AMM 24-11-21, NO LEAKS NOTED OPS CHECKS GOOD . PERFORMJul 31, 2020 · N402AS · Boeing 737990ER · Turbine Engine Oil SystemSDR ASAA2020071062883Battery Pack · inoperativeALMOST ALL EMERGENCY LIGHTS INOP. AFTER HAVING AIRCRAFT POWER ON FOR OVER TWO HOURS, NO HELP. GROUNDED - YES. CHANGED EMERGENCY LIGHT BATTERY AT FLOOR LEVEL ROW 7 -LH & RH, AND BATTERY AT OVERHEAD BY L-1 DOOR, OPS CHECK GOOD IAW T/C 78233008, STILL SEVERAL MORJun 26, 2020 · N402AS · Boeing 737990ER · Emergency LightingSDR ASAA2020031232288Lubrication Unit · faultyAPU FAILED START AT FL 370, 370, 380 WITH FAULT LIGHT. FAULT EXTINGUISHED IMMEDIATELY AFTER FIRST ATTEMPT AND SWITCHED OFF. FAULT LIGHT EXTINGUISHED AFTER 5 MINUTES AFTER 2ND AND 3RD ATTEMPTS. EGT REACHED 950 EACH ATTEMPT. GROUNDED - YES. REPLACED APU LUBE MODFeb 25, 2020 · N402AS · Boeing 737990ER · APU Oil SystemSDR ASAA2020030232288Unknown · malfunctionedAPU FAILED START AT FL 370, 370, 380 WITH FAULT LIGHT. FAULT EXTINGUISHED IMMEDIATELY AFTER FIRST ATTEMPT AND SWITCHED OFF. FAULT LIGHT EXTINGUISHED AFTER 5 MINUTES AFTER 2ND AND 3RD ATTEMPTS. EGT REACHED 950 EACH ATTEMPT. GROUNDED - YES. ON DEFERRAL.Feb 25, 2020 · N402AS · Boeing 737990ER · APU Start/Ignition System
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