N453AS

Service difficulty reports · 284

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 = 'N453AS' 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 ASAA2023081144556Bushing · missing#2 ENGINE VSV 3RD STAGE BRIDGE ON L/H SIDE ( "B" CHANNEL ) HAS 4 MISSING BUSHING. GROUNDED - YES. REMOVED #2 ENGINE VSV 3RD STAGE BRIDGE CONNECTING LINK REF. AMM 72-32-00-900-804-F00. REPLACED 4 EA. BUSHING ON BRIDGE CONNECTING LINK ASSY. REF. EIPC # 72-00-02-Aug 11, 2023 · N453AS · Boeing 737990ER · Turbine Engine Compressor SectionSDR ASAA2023081144555Seal · leakingACCOMPLISHED #2 ENGINE VENTS AND DRAINS INSPECTION. FOUND OIL COMING FROM THE N2 DRIVE PAD DRAIN LINE. GROUNDED - YES. REPLACED #2 ENGINE N2 DRIVE PAD SEALOL SEAL IAW AMM 72-60-00-400-F00 UP TO STEP 5.G.(5) (D), LEAK CK STILL REQ JM 53119 08-11-23INSTALLED #2 Aug 11, 2023 · N453AS · Boeing 737990ER · Turbine Engine Oil SystemSDR ASAA2023081144545Packing · malfunctioned#2 ENG OIL CAP SEAL WILL NOT STAY ON OIL CAP. GROUNDED - YES. REMOVED AND REPLACED THE #2 ENGINE OIL CAP SEAL PER AMM 79-11-01-300-801-F00.Aug 11, 2023 · N453AS · Boeing 737990ER · Engine Oil System (Airframe Furnished)SDR ASAA2023080444416Unknown · unknownSPEED TRIM FAIL ILLUMINATED UPON SHUTDOWN CHECK LIST. GROUNDED - YES. PERFORMED DFCS BITE IAW TASK 22-11 TASK 801 NO FAULT NOTED.Aug 4, 2023 · N453AS · Boeing 737990ER · Autopilot SystemSDR ASAA2023080244527Lubrication Unit · leakingTECH SERVICES/POWERPLANT ENGINEERING REQUEST FOLLOW-UP TO CONTINUED #2 OIL CONSUMPTION GREATER THAN EXPECTED -----(#PRI2)-----ETOPS SIGNIFICANT SYSTEM----EXTENDED GROUND TIME AND ENGINE RUN REQUIRED. GROUNDED - YES. (RESOLVED ON W/O: 1960952 TASKCARD: N/R-0001Aug 2, 2023 · N453AS · Boeing 737990ER · Engine Oil System (Airframe Furnished)SDR ASAA2023080244404Unknown · unknown#2 ENG LONG TIME FAULT 75-10392THE VSV POSITION SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.Aug 2, 2023 · N453AS · Boeing 737990ER · Engine Bleed Air SystemSDR ASAA2023072844311Regulator · leakingWITH APU OFF AND PACKS ON ENGINE BLEEDS DUCT SHOWED 9 PSI & RIGHT DUCT SHOWED 19 PSI (ON GROUND). AT CRUISE THRUST LEFT DUCT 40 PSI AND RIGHT DUCT 45 PSI AT FLIGHT IDLE IN DESCENT LEFT DUCT 13PSI AND 28 PSI RIGHT DUCT. GROUNDED - YES. ACCOMPLISHED ENGINE BLEEDJul 28, 2023 · N453AS · Boeing 737990ER · Engine Bleed Air SystemSDR ASAA2023070843942Unknown · unknown#2 ENGINE TREND DATA STILL SHOWS ELEVATED LOW PRESSURE ROTOR VIBRATION LEVELS AFTER LAST FAN LUBE AND 2 FAN TRIM BALANCE PROCEDURES. GROUNDED - YES. C/W STEPS 1-7 WHILE PERFORMING VIBE SURVEY FOUND VIBRATIONS OUT OF LIMITS, PERFORMED TRIM BALANCE VIBES STILL Jul 8, 2023 · N453AS · Boeing 737990ER · Engine (Turbine/Turboprop)SDR ASAA2023062643736Unknown · unknownHF RADIO #1 DISPLAYS "FAIL". GROUNDED - YES. PERFORMED HF SYSTEM OPERATIONAL TEST REF AMM 23-11-00. OPERATIONAL TEST OK. MEL 23-11A CLEARED. PLACARDS REMOVED.Jun 26, 2023 · N453AS · Boeing 737990ER · HF Communications SystemSDR ASAA2023062443729Unknown · unknownPERFORMED ENG RUN VIB SURVEY AS REQUESTED BY TSR14495, #2 ENG WAS FOUND TO BE OUT OF VIB LIMITS AT 64% N1 IN REF TO AMM 71-00-00 TEST 7. GROUNDED - YES. SPINNER WEIGHTS MOVED AFTER COMPLETION OF TEST 7 AND AC ENG RUN TEST 7 PERFORMED AGAIN. HIGHEST VIB WAS 1.4Jun 24, 2023 · N453AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2023062443716Spinner · wornFOUND #2 ENG SPINNER RQD RPLCMNT. GROUNDED - YES. RMVD REPLACED #2 ENG SPINNER REF T/C 78472010.Jun 24, 2023 · N453AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2023050643145Unknown · unknownSINGLE FMC MSG ENROUTE WITH SUBSEQUENT VNAV ISSUES ON ARRIVAL. WOULD NOT STAY VNAV. GROUNDED - YES. COMPLIED WITH FMC BITE PROCEDURE IAW B737-900 FIM 34-61 TASK 801, NO FAULTS NOTED.May 6, 2023 · N453AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2023042242992Power Supply · inoperativeEMERGENCY LIGHT SYSTEM OPERATIONAL CHECK FAILED FOR ALL LIGHTS ASSOCIATED WITH BATTERY PACKS M1676 & M1672. GROUNDED - YES. REMOVED AND REPLACED SERVICEABLE EMERGENCY POWER SUPPLY S/N 112118 AT M1676 AND S/N 112185 AT M1672 IAW B737-NG AMM 33-51-06-960-806 PERApr 22, 2023 · N453AS · Boeing 737990ER · Emergency LightingSDR ASAA2023040442794Actuator · leaking#1 ENG. FUEL DRIPPING FROM DRAIN APPROX 4 DROPS PER MIN. GROUNDED - YES. L/H VSV ACTUATOR LEAKING W/IN THRESHOLD LIMITS, UNDER 90 DROPS PER MINUTE, 25 FLIGHT CYCLE DEFERRAL REF B737-900 AMM 71-71-00-200-801. REMOVED AND REPLACED #1 ENG L/H VSV ACTUATOR IAW AMMApr 4, 2023 · N453AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2023031642376Gasket · broken#2 ENGINE OIL TREND DATA CONTINUES TO SHOW OIL CONSUMPTION TO GREATER THAN EXPECTED, WITH RECENT CONSUMPTION RATE INCREASING. ENGINE POWER RUN REQUIRED. GROUNDED - YES. OIL COVER LEAKING AT THE BASE JUST ABOVE THE OIL RETURN LINE, NOTED GASKET BROKEN UPON REMOMar 16, 2023 · N453AS · Boeing 737990ER · Turbine SectionSDR ASAA2023030142116Acm · failedAFTER REMOTE DE-ICE THE FLIGHT DECK BECAME EXTREMELY HOT WITH NO CONTROL VIA CONT CAB TEMP CONTROLLER. FOLLOWED QRH, PACK RESET, OPERATION NORMAL. WITH IN 2-3 MINUTES SAME PROBLEM OCCURRED. RETURNED TO GATE. GROUNDED - YES. PER B737-900 FIM 21-53 TASK 820, OPEMar 1, 2023 · N453AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2023021842047Acm · seizedLEFT PACK CAUTION LIGHT ILLUMINATED WHILE AT GATE. DUCT TEMPERATURE REACHED 40C. ACCOMPLISHED QRC. TRIP RESET ACCOMPLISHED. PACK LIGHT REMAINED ILLUMINATED . GROUNDED - YES. FOUND L/H ACM SEIZED/DAMAGED COLING FAN. REMOVED L/H AIR CYCLE MACHINE REF B737-900 AMFeb 18, 2023 · N453AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2023021641997Actuator · leaking#2 ENG R/H VSV DRAIN DRIPPING FUEL. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE R/H VSV ACTUATOR IN REF TO B737-900 AMM 75-31-01. LEAK & OPS CHECKED GOOD. REF AMM 75-31-01-400-802.Feb 16, 2023 · N453AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2023020941890Actuator · faultyWHILE IN CRUISE LEFT PACK LIGHT ILLUMINATED - RAN CHECKLIST COULD NOT GET PACK LIGHT TO EXTINGUISH - CONTINUE FLIGHT WITH ISOLATION VALVE IN THE CLOSED POSITION. GROUNDED - YES. REMOVED AND REPLACED RAM AIR INLET ACTUATOR REF BOEING 737-900 AMM TASK 21-51-21-0Feb 9, 2023 · N453AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2023020941878Unknown · unknownHF RADIO 1 FAIL. GROUNDED - YES. PERF HF COMMUNICATION SYS TEST AND HF BITE TEST REF B737-900 FIM 23-11 TASK 806 AND REF FIM 23-11 TASK 801. SYS TEST OPS GOOD.Feb 9, 2023 · N453AS · Boeing 737990ER · HF Communications SystemSDR ASAA2023020541844Not Reported · not reportedLH PACK LIGHT ON MASTER CAUTION RECALL EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL BITE PROCEDURE #1 CONTROLLER SHOWED TCV FAULT WAS ABLE TO RESET. RAN BITE CK 2 MORE TIMES NO FAULTS NOTED. #2 CONTROLLER CK GOOD NO FAULFeb 5, 2023 · N453AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2023020341834Not Reported · not reportedFLIGHT ATTENDANT REPORTS L1 DOOR HANDLE IS DIFFICULT TO OPEN. GROUNDED - YES. COMPLETED FWD ENTRY DOOR SYSTEM DOOR HANDLE TORQUE TEST REF B737-900 AMM 52-11-00-700-804 STEP 4. E. (3) (A THRU H) HANDLE OPEN AND CLOSE FORCES WITHIN LIMITS.Feb 3, 2023 · N453AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2023011861545Warning Light · false activationCONT CAB ZONE TEMP LIGHT ILLUMINATES ON MASTER CAUTION RECALL AND GOES OUT WHEN RESET. GROUNDED - YES. BITE SHOWED CONTROL CABIN TRIM AIR VALVE FAULT. ACCOMPLISHED B737-900 FIM 21-62 TASK 832. OPS CHECK GOOD.Jan 16, 2023 · N453AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2023010641441Sensor · faultedRIGHT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED AT CRUISE. ASA QRH RAN, ILLUMINATED AGAIN AFTER SWITCH REPOSITIONED ON. SWITCH OFF FOR THE DURATION OF THE FLIGHT. GROUNDED - YES. FOUND WINDOW HEAT SENSOR FAULT ON BITE REMOVED AND REPLACE RH SIDE WINDOW DUE TO A/CJan 6, 2023 · N453AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2023010641430Warning Light · false activationRT SIDE WINDOW HEAT OVERHEATED, FOLLOWED QRH, OVERHEAT REMAINED ILLUMINATED. GROUNDED - YES. NO OVERHEAT LIGHT - SYS BITE TESTS GOOD.Jan 4, 2023 · N453AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2023010341384Regulator · inoperative#1 ENG HIGH STAGE REGULATOR INOP. GROUNDED - YES. REPLACED #1 ENG HIGH STAGE REGULATOR , OPS LEAK CHECK OK. REF B737-900 AMM 36-11-07-400-801.Jan 3, 2023 · N453AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2023010341382Anti-Ice Valve · inoperative#2 ENGINE TAI VALVE INOP. GROUNDED - YES. REPLACED #2 ENG TAI VALVE, OPS CHECK OK. REF. B737-900 AMM 30-11-12-400-801.Jan 3, 2023 · N453AS · Boeing 737990ER · Engine Anti-Icing SystemSDR ASAA2022122981295Battery Pack · dischargedAISLE EMERGENCY LIGHTS INOP ROW 25 & 29 DEF. GROUNDED - YES. REPLACED BATTERY PACK FOR PACK M2627. OP CK NORMAL. REF B737-900 SSM 33-51-13-103.Dec 28, 2022 · N453AS · Boeing 737990ER · Emergency LightingSDR ASAA2022122641235Oven · failedFA REPORTS ON FINAL LEFT REAR OVEN EMITTING SMOKE AND BURNING SMELL FA ALSO SAW SPARKS INSIDE OVEN . OVEN WAS POWERED OFF. GROUNDED - YES. REMOVED AND REPLACED AFT GALLEY OVEN REF B737-900 AMM 25-32-01. OPS CHECK GOOD.Dec 26, 2022 · N453AS · Boeing 737990ER · Buffet/GalleysSDR ASAA2022122141258Modulating Valve · failedRT PACK LIGHT ON RECALL, LIGHT GOES OUT ON RESET (FL330). GROUNDED - YES. RIGHT PACK TCV FAILED DURING BITE. REMOVED & REPLACED RIGHT PACK TCV. REF B737-900 AMM 21-51-10-000-801 & 21-51-10-400-801.Dec 21, 2022 · N453AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2022111940865Actuator · leakingDURING PDC FOUND #2 ENGINE FUEL LEAK. GROUNDED - YES. PERFORMED FUEL LEAK TEST REF B737-900 AMM 75-31-01. OBSERVED IT HAS 60 DRIPS PER MIN AT START LH VSV. PERFORMED ENGINE RUN FOR 5 MINS REF AMM 71-00-00. OBSERVED NO LEAKS NOTED ON LH VSV OR ANY DRAIN LEAK. CNov 19, 2022 · N453AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2022090339784Lamp · faulty#2 ENGINE ANTI ICE COWL VALVE OPEN LIGHT REMAINED ILLUMINATED BRIGHT WITH SWITCH IN THE ON POSITION. ENGINE DISPLAY SHOWED AN AMBER TAI INDICATION. GROUNDED - YES. REMOVED AND REPLACED #2 ENG ANTI ICE VALVE REF B737-900 AMM 30-21-11.Sep 3, 2022 · N453AS · Boeing 737990ER · Air Intake Anti/De-Ice SystemSDR ASAA2022080939453Fmc · failedRIGHT FMC FAILURE DURING LAST HOUR OF CRUISE FLIGHT DRI QRH AND DID NOT RESTORE RIGHT FMC. GROUNDED - YES. RE CONFIGURE FMCS TO NORMAL PERFORMED B737-900 FIM 34-61 TASK 807 OPS CHECK NORMAL SYSTEM OK FOR SERVICE.Aug 9, 2022 · N453AS · Boeing 737990ER · Flight Management Computing Software SystemSDR ASAA2022080539385Lru · faultedAUTOLAND NO SUCCESSFUL. ATTEMPTED TO LAND GREATER THAN 50' LEFT OF CENTERLINE. WINDS 350/8 RWY 03. CRITICAL AREA PROTECTED. GROUNDED - YES. INITIAL EVALUATION, PERFORMED HGS SYSTEM TEST IAW B737-900 SMM 34-36-00 SEC 500. FAULT REVIEW REVEALED ILS ANOMALY DETECAug 5, 2022 · N453AS · Boeing 737990ER · Autopilot SystemSDR ASAA2022080139318Control Valve · fault messageLEFT PACK LIGHT ILLUMINATES DURING RECALL. GROUNDED - YES. PERFORMED B737-900 FIM 21-53 TASK 821. PERFORMED PACK TEMP CONTROL BITE PER FIM 21-62 TASK 801. FAULTED THIS PACK TCV. PERFORMED FIM 21-62 TASK 830 AND THIS PACK TCV RESET WITH NO FURTHER FAULTS.Aug 1, 2022 · N453AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2022072439175Sensor · failedL-1 WINDOW HEAT INOP. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT BITE CK REF B737-900 FIM 30-41 TASK 801 AND L-1 CONTROLLER FAULTS WINDOW SENSOR. PERFORMED FIM 30-41 TASK 812 AND SWAPPED TO SPARE SENSOR AND FAULT CLEARED, BAD SENSOR MARKED AS INOP.Jul 24, 2022 · N453AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022071739110Anti-Ice Valve · faulty#2 ENGINE AMBER TAI DISPLAYED ON EIS. CYCLED ON AND OFF DURING FLIGHT. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE NOSE COWL ANTI ICE VALVE REF B737-900 AMM 30-21-11-000-801, 30-21-11-400-801.Jul 17, 2022 · N453AS · Boeing 737990ER · Air Intake Anti/De-Ice SystemSDR ASAA2022071639095Regulator · inoperativeDURING ENG RUN FOR VIB SURVEY, #2 ENG BLEED AIR WOULD NOT SHUT OFF. GROUNDED - YES. REMOVED & REPLACED #2 ENG BLEED AIR REGULATOR REF B737-900 AMM 36-11-03. LEAK & OPS CHECKED GOOD.Jul 16, 2022 · N453AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2022070939013Spinner · erodedPER ASA T/C 78472010 #1 ENG. FAN BLADE LUBE FRONT SPINNER CONE WHITE ANT EROSION COATING MISSING MORE THAN 50%. GROUNDED - YES. REMOVED AND REPLACED FRONT SPINNER CONE ON #1 ENG. PER. ASA T/C 78472010.Jul 9, 2022 · N453AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2022070939012Spacer · debondedPER ASA T/C 78472010 #1 ENG. FAN BLADE LUBE SPACERS #8,10, AND 12 ARE DISBONDED. GROUNDED - YES. REMOVED AND REPLACED SPACERS #8, 10, AND 12 PER ASA T/C 78472010.Jul 9, 2022 · N453AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2022052738479Sensor · faultyLEFT SIDE WINDOW OVERHEAT ILLUMINATED. GROUNDED - YES. PERFORMED BITE OF LH SIDE WHCU M322 IAW B737-900 FIM 30-41 TASK 801. BITE PASSES, GREEN LED, BUT SHOWS WINDOW SENSOR ON EVERY LEG OF FAULT HISTORY. CHECKED WINDOW SENSOR RESISTANCE IAW B737-900 AMM 30-41-2May 27, 2022 · N453AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022052338431Window · overheatedL2 WINDOW OVERHEAT IN FLIGHT. GROUNDED - YES. ON DEFERRAL. ACTUATORMay 23, 2022 · N453AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022052338430Unknown · unknownINFO ONLY L-2 WINDOW OVERHEAT ILLUMINATED IN FLIGHT GROUNDED - YES. INFO NOTED BY MAINTENANCE.May 23, 2022 · N453AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022052338422Window · overheatedL2 WINDOW OVERHEAT ILLUM IN FLIGHT ON HIGH DOWNWIND AT 5000'- INFO ONLY- RE-ESTABLISHED ON LANDING OP OK. GROUNDED - YES. NO HISTORY, INFO NOTED.May 23, 2022 · N453AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022052238423Window · warning lightON FINAL APPROACH LEFT (SIDE) WINDOW HEAT OVERHEAT LIGHT ILLUMINATED CONTINUOUSLY. GROUNDED - YES. PERFORMED BITE ON WINDOW HEAT CONTROLLER. OPS CHK GOOD REF B737-900 AMM 30-41-11.May 22, 2022 · N453AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022041438020Fuel Heater · leakingDURING IDLE LEAK CHECK OF THE #1 ENG FOUND FUEL LEAKING FROM THE FUEL HEATER SERVO, CAP. GROUNDED - YES. REMOVED AND REPLACED FUEL HEATER SERVO REF B737-900 AMM 73-11-07-400-801-F00/AMM 73-11-07-400-801-F00. NO LEAKS NOTED.Apr 14, 2022 · N453AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2022040937943None · faultySTART VALVE OPEN ANNUNCIATOR REMAINED ILLUMINATED AFTER ENGINE #2 START. RAN QRH AND ANNUNCIATOR STILL ILLUMINATED. GROUNDED - YES. PERFORMED GOOD CHECKS ON VALVE AND WIRING FROM DEU1 AND DEU2 TO START VALVE PER B737-900 FIM 80-07 TASK 809. PERFORMED GOOD LLM Apr 9, 2022 · N453AS · Boeing 737990ER · Engine CrankingSDR ASAA2022040237880None · leakingLEAK DURING ENGINE START ON #1 ENGINE OF THE PILOT VERIFIED LEAK COMING FROM #1 ENGINE HPTACC VALVE DRAIN AFTER MAINTENANCE IDLE POWER LEAK REF B737-900 AMM 71-00-00-700-801-100. GROUNDED - YES. REMOVED AND REPLACED #1 ENG HPTACC REF B737-900 AMM 75-21-01OPS AApr 2, 2022 · N453AS · Boeing 737990ER · Engine Cooling SystemSDR ASAA2022032937879None · faultyAPU FAIL TO START ON BATTERY GROUNDED - YES. APU "LOW BATTERY VOLTAGE FAIL TO START" MESSAGE 49-41249 ON 17 FAILED STARTS. PERFORMED B737-900 FIM 49-40 TASK 822, PER FIM REMOVED AND REPLACED APU START POWER UNIT REF B737-900 AMM 49-41-71/401. OP CHECK NORMAL.Mar 29, 2022 · N453AS · Boeing 737990ER · APU Start/Ignition SystemSDR ASAA2022032837807Unknown · unknownRIGHT SIDE WINDOW OVERHEAT. FOLLOWED QRH PROCEDURE WINDOW OPS NORMAL. GROUNDED - YES. PERFOMED WINDOW HEAT TEST PERB737-900 AMM 30-40-00. TEST OK.Mar 28, 2022 · N453AS · Boeing 737990ER · Windshield/Door Rain/Ice Removal
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