N457AS

Service difficulty reports · 308

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 = 'N457AS' 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 ASAA2025031357456Web · corrodedAFT CARGO DOOR SILL AREA FASTENER HOLES CORRODED. GROUNDED - YES. REMOVED CORROSION ON AFT CARGO DOOR THRESHOLD WEB. ORIGINAL MATERIAL = .045 MAT REMOVED =.014 MAT REMAINING = .031 FOUND TO BE OUT OF LIMIT IAW B737-900ER SRM 53-60-15-1A-1. REMOVED DAMAGE WEB LMar 13, 2025 · N457AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2025031357440Door Sill · corrodedFWD CARGO DOOR SILL AREA MULTIPLE FASTENER HOLES CORRODED. GROUNDED - YES. REMOVED CORROSION ON FWD PIT THRESHOLD WEB ORIGINAL THICKNESS 0.045",REMOVED 0.032" REMAINING: 0.013" FOUND TO BE OUT OF LIMIT IAW B737-900ER SRM 53-60-15 REMOVED AND REPLACED WEB IAW BMar 13, 2025 · N457AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2024080851680Engine · failedDURING CRUISE AT FL350 #2 ENGINE SURGE WITH HIGH FUEL FLOW AND OVERTEMP, ACCOMPLISHED ENGINE LIMIT/SURGE/STALL CHECKLIST, ENGINE STABILIZED AT 64* N1 IN ACCORDANCE WITH CHECKLIST ADVANCE POWER LEVER SLOWLY HAD ENGINE VIBRATION (SLIGHT 1.2) REDUCED THRUST, FUELAug 8, 2024 · N457AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2024030948352Battery Pack · failedWHILE PERFORMING T/C 78-233001 FOUND 1 BATTERY PACK FAILED. GROUNDED - YES. REPLACED EMERGENCY LIGHT BATTERY PACK IAW AMM 33-51-06. OPS TEST GOOD.Mar 9, 2024 · N457AS · Boeing 737990ER · Emergency LightingSDR ASAA2023110445999Magnetic Plug · damaged#2 ENGINE STARTER MAGNETIC CHIP PLUG DAMAGED. GROUNDED - YES. REPLACED #2 ENGINE STARTER MAGNETIC CHIP PLUG REF AMM 80-11-01.Nov 4, 2023 · N457AS · Boeing 737990ER · Engine CrankingSDR ASAA2023101645675Unknown · unknownWHILE ACCOMPLISHING T/C 78273000 FOUND FAULT CODE 77-20861, THE BOTTOM LEFT EGT SIGNAL (T49553) IS OUT OF RANGE ON ENGINE #1. IS AN ECONOMIC FAULT. GROUNDED - YES. ON DEFERRAL.Oct 16, 2023 · N457AS · Boeing 737990ER · Engine Temperature Indicating SystemSDR ASAA2023101345616Unknown · unknownWHILE PERFORMING T/C 78273000, FOUND FAULT CODE NUMBER 75-30402, "THE VSV POSITION SIGNALS DISAGREE," SHORT TIME FAULT, SET ON FLIGHT LEG 1, ON ENG #2. GROUNDED - YES. (RESOLVED ON W/O: 1973267 TASKCARD: N/R-00002 ) MAINT. MESSAGE 75-30402 NOT IN FAULT HISTORYOct 13, 2023 · N457AS · Boeing 737990ER · Engine (Turbine/Turboprop)SDR ASAA2023100645471Unknown · unknownWHILE ACCOMPLISHING TASK CARD # 78273000 DISCOVERED SHORT TIME FAULT CODE # 75-10402 "THE VSV POSITION SIGNALS DISAGREE"ON ENG # 2. GROUNDED - YES. VERIFIED FAULT HISTORY IS CLEAR SINCE FAULT WAS DISCOVERED. NO INTERNAL EEC FAULTS FOUND. REF B737-900 FIM 75-31Oct 6, 2023 · N457AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2023092545375Acm · failedREF LP 60919253RH PACK LIGHT ILLUMINATED DURING TAXI. GROUNDED - YES. TROUBLESHOT IAW B737-900 FIM 21-53 TASK 820. REMOVED AND REPLACED RH ACM IAW B737-900 AMM 21-51-04. REMOVED ACM HAD FAN IMPELLER BLADE DAMAGE, NO FURTHER DEFECTS NOTED WITH INSPECTION PER AMSep 25, 2023 · N457AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2023092545320Unknown · unknownAFTER LANDING DURING TAXI, RIGHT PACK LIGHT ILLUMINATED CHECKED RT PACK DUCT TEMPERATURE, INDICATED OVER 90C. GROUNDED - YES. THIS CLEARS MEL 21-33E FOR THE TCV CONNECTORMX CONFIGURAATION REVERSE FOR TCV CONNECTORSEAMC MARK NOTIFEDTHIS CLEARS MEL C/N 5072457.Sep 25, 2023 · N457AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2023091445173Unknown · unknownENG. 2 ECONOMIC FAULT 77-20862 "THE BOTTOM LEFT EGT SIGNAL IS OUT OF RANGE" SHOWS. GROUNDED - YES. ON DEFERRAL.Sep 14, 2023 · N457AS · Boeing 737990ER · Engine Indicating SystemSDR ASAA2023082744791Spinner · eroded#2 ENGINE SPINNER WHITE PAINT ERODED. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE SPINNER CONE PER TC 78472010.Aug 27, 2023 · N457AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2023081744659Unknown · unknownDURING ACCOMPLISHMENT OF TC N2471001 (RIGHT INLET COWL (GV) FOUND #2 ENGINE TAI DUCT CRACKED. GROUNDED - YES. ON DEFERRAL.Aug 17, 2023 · N457AS · Boeing 737990ER · Air Intake Anti/De-Ice SystemSDR ASAA2023080944501Power Supply · inoperativeR2 DOOR EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK @ M1672 REF AMM 33-51-06-960-805. 1 C/B OPENED, TAGGED, AND RESET. ALL OP TESTS PASS. ALL EMERGENCY LTS AT R2 DOOR OPERATIONAL.Aug 9, 2023 · N457AS · Boeing 737990ER · Emergency LightingSDR ASAA2023072044135Unknown · unknownAFTER ENGINE START, UPON RECALL, LEFT PACK FAULT LIGHT WILL EXTINGUISH WITH MASTER CAUTION RESET. GROUNDED - YES. ON DEFERRAL.Jul 20, 2023 · N457AS · Boeing 737990ER · Air Conditioning SystemSDR ASAA2023071444074Control Panel · burned outHF #1 ON FH/SAT XFER PANEL IS BURNED OUT. GROUNDED - YES. (RESOLVED ON W/O: 1961652 TASKCARD: N/R-00001 ) REPLACED HF/SAT PANEL PER TASK 23-15-00-400-804. SATCOMS TESTS GOOD PER 23-15-00-730-801. #1, #2, HF GOOD PER MM 23-11-00/501. CLEARS MEL 23-11A, REMOVED Jul 14, 2023 · N457AS · Boeing 737990ER · HF Communications SystemSDR ASAA2023070943957Unknown · unknownPRACTICE (HYBRID) AUTOLAND UNSUCCESSFUL. A/C LANDED 40' LEFT OF CENTERLINE APPROX 2200' DOWN R/W FLAPS 40 WINDS VARIABLE 5 KTS TEMP 75DEG F. GROUNDED - YES. C/W FIM 22-11 TASK 899 INBOUND CONDITION RELATED TO AUTOLAND, FOUND NO RELEVANT FAULTS. INTERROGATED HGJul 9, 2023 · N457AS · Boeing 737990ER · Autopilot SystemSDR ASAA2023062743796Modulating Valve · faultyAFTER ENG START, UPON MASTER CAUTION RECALL, ZONE TEMP LGT ILLUMINATED BUT EXTINGUISHED UPON MASTER CAUTION RESET. GROUNDED - YES. HAD FLIGHT DECK TRIM VALVE FAULT. REMOVED AND REPLACED LH FLIGHT DECK TRIM MODULATION VALVE IAW B737-900 AMM 21-61-21-000-801 ANDJun 27, 2023 · N457AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2023061343559Valve · faultyENGINE #1 COW VALVE OPEN LIGHT ILLUMINATED WITH TAI AMBER WITH ENGINE ANTI ICE SELECTED ON. GROUNDED - YES. REMOVED AND REPLACED #1 ENG COWL VALVE REF B737-900 AMM 30-21-11.Jun 13, 2023 · N457AS · Boeing 737990ER · Air Intake Anti/De-Ice SystemSDR ASAA2023051843285Modulating Valve · failedLEFT PACK LIGHT ILLUMINATES DURING RECALL THEN RESETS. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST REF B737-900 FIM 21-62 TASK 801. TCV FAIL LIGHT DISPLAYS BUT EXTINGUISHES WHEN RESET. DUE TO PREVIOUS HISTORY, REPLACED LH TCV REF B737-900 AMMMay 18, 2023 · N457AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2023050643150Unknown · unknown(FWD) L1 WINDOW HEAT ON LIGHT WILL NOT ILLUMINATE WHEN WINDOW HEAT PLACED ON. GROUNDED - YES. RESET WINDOW HEAT COMPUTER UNIT PER B737-900 AMM 30-41-11. OPS CHECK GOOD.May 6, 2023 · N457AS · Boeing 737990ER · Ice/Rain Protection SystemSDR ASAA2023050343094Unknown · unknownLEFT PACK LIGHT ON RECALL. GROUNDED - YES. VERIFIED FAULT, ACCOMP. PACK TEMP CONT. BITE #2 CONT. NO FAULTS, #1 SHOWS FAULT THIS PACK TCV (V139). CLEARED FAULT, REACCOMP. PACK TEMP CONT. BITE NO FAULTS. ACCESSED L/H PACK AREA ACCOMP. G.V.I. NO DEFECTS NOTED CLOMay 3, 2023 · N457AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2023042242957Plenum · brokenDURING HEAT EXCHANGER RESTORATION, FOUND PRIMARY HEAT EXCHANGER R/H PLENUM/DIFFUSER PANEL WITH TWO NUTPLATES MISSING AND DIFFUSER BROKEN. GROUNDED - YES. REMOVED PRIMARY RH HEAT EXCHANGER AND PLENUM/DIFFUSER IAW B737-900 AMM 21-51-03-000-805-002. REPLACED DAMAApr 22, 2023 · N457AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2023040842773Seal · leakingREF ASA TSR714030, #1 ENG IDG PAD DRAIN OIL LEAK OUT OF LIMITS PER B737-900 AMM 71-71-00-200-801-F00. GROUNDED - YES. REMOVED IDG REF B737-900 AMM 24-11-000-801. REMOVED SEALOL SEAL AND INSTALLED NEW SEALOL SEAL REF AMM 72-60-00-000-802-F00 AND 72-60-00-400-80Apr 8, 2023 · N457AS · Boeing 737990ER · Turbine Engine Oil SystemSDR ASAA2023040142721Idg · unknownON WALK AROUND FOUND #1 ENG IDG NO OIL IN SIGHT GLASS. GROUNDED - YES. REMOVE AND INSTALLED #1 IDG REF AMM 24-11-11.Apr 1, 2023 · N457AS · Boeing 737990ER · Alternator-Generator DriveSDR ASAA2023030742242Battery Pack · inoperativeLH EMERGENCY AISLE LIGHT AT ROW 27 IS INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M2626. OPS CHECKS GOOD IAW B737-900FR AMM 33-51-06-960-805.Mar 7, 2023 · N457AS · Boeing 737990ER · Emergency LightingSDR ASAA2023030742241Battery Pack · inoperativeLH AISLE LIGHTS FORWARD OF ROW 12, AND LH FWD EXTERIOR OVERWING EMERGENCY LIGHT ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M2335. OPS CHECK GOOD IAW B737-900ER AMM 33-51-960-805.Mar 7, 2023 · N457AS · Boeing 737990ER · Emergency LightingSDR ASAA2023011741562Cap · leaking#1 ENG IDG LOW OIL UPON WALK AROUND DURING OIL SERVICE OF #1 ENG FOUND WITH HEAVY OIL STREAKING/DRIPPING FROM OB SIDE. GROUNDED - YES. ACCOMPLISHED IDG OIL SYSTEM STATIC LEAK CHECK PER B737-900 AMM 24-11-00. NOTED A SLIGHT OIL LEAK AT THE CHARGE FILTER CAP WITJan 17, 2023 · N457AS · Boeing 737990ER · AC Generator-AlternatorSDR ASAA2023010241388Idg · leakingON WALKAROUND FOUND #1 ENG IDG NO OIL IN SIGHT GLASS AND OIL DRIPPING FROM COWLING. GROUNDED - YES. #1 IDG LEAKING FROM SIGHT GLASS REMOVED AND REPLACED #1 IDG PER B737-900 AMM 24-11-11.Jan 2, 2023 · N457AS · Boeing 737990ER · AC Generator-AlternatorSDR ASAA2022122441234Idg · faulted#1 IDG DRIVE LIGHT ILLUMINATE AFTER ENGINE START. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 24-11 TASK 801. CONFIRMED FAULTY #1 IDG. REMOVED AND REPLACED #1 IDG REF B737-900 AMM 24-11-11. OP CHECK GOOD.Dec 24, 2022 · N457AS · Boeing 737990ER · AC Generator-AlternatorSDR ASAA2022112640975Actuator · faultedDURING ASA T/C 78273000, FOUND ENG #1 SHORT TIME FAULT CODE 75-20451 THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. REMOVED AND REPLACED #1 ENG LH VBV, OPS/LEAK CHECK GOOD REF B737-900 AMM 75-32-02. ORIGINAL SUBMISSION DATE: 11/30/2022Nov 26, 2022 · N457AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2022112640974Actuator · faultedDURING ASA T/C 78273000, FOUND ENG #1 SHORT TIME FAULT CODE 75-10451 THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. REMOVED AND REPLACED #1 ENG LH VBV, OPS/LEAK CHECK GOOD REF B737-900 AMM 75-32-02. ORIGINAL SUBMISSION DATE: 11/30/2022Nov 26, 2022 · N457AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2022112540944Actuator · leakingENGINE #1 RIGHT HAND VSV LEAKING 6 DROPS PER MINUTE. GROUNDED - YES. REMOVED #1 ENGINE RIGHT HAND VSV ACTUATOR AND INSTALLED #1 ENGINE RIGHT HAND VSV ACTATOR UP TO STEP F(5)(C) REF AMM 75-31-01 ASA 41958. COMPLETED INSTALLATION OF THE RIGHT VSV ACTUATOR PER AMNov 25, 2022 · N457AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2022111940905Actuator · leakingNR 2 ENGINE LEFT VSV HAS STATIC FUEL LEAK 15 DROPS PER MINUTE. GROUNDED - YES. REPLACED NR 2 ENG LEFT VSV ACTUATOR IAW AMM 75-31-01 ACTUATOR LEAK TEST GOOD USING HAND PUMP. ACCOMPLISHED HMU IDLE RUN ACTUATORS TEST, CHECKS GOOD IAW AMM 71-00-00-700-807-F01.Nov 19, 2022 · N457AS · Boeing 737990ER · Engine Bleed Air SystemSDR ASAA2022111840908Actuator · faultyREF ASA T/C 78273000 ENG #1 SHOWS SHORT TIME FAULT 75-10451, THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. ACCOMPLISHED GVI INSPECTION ON ELECTRICAL CONNECTORS DP0908(CH A), DP1008(CH B) AND VBV ACTUATOR RECEPTACLES, NO FAULT FOUND. PERFORMED ELECTRICAL RNov 18, 2022 · N457AS · Boeing 737990ER · Engine Bleed Air SystemSDR ASAA2022102740516Controller · malfunctionedCONT CABIN TEMP CONTROLLER IS UNCONTROLLABLE, WILL NOT HOLD TEMP. CONTINUALLY SPIKES IN EITHER DIRECTION. WILL HOLD 22C IN OFF POSITION. GROUNDED - YES. PERFORMED A DUCT TEMPERATURE LIMIT SENSOR TEST REF B737-900 AMM 21-61-04. NO DISCREPANCIES NOTED. RANG OUTOct 27, 2022 · N457AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2022100840206Fms · fault message"VNAV INVAL ID-PERF" MESSAGE ON SCATCH PAD WITH LOSS OF VNAV, BUT RESET AFTER ENTERING CNT INDEX. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 22-11 TASK 801 DFCS BITE, WITH NO FAULT ALSO ACCOMPLISHED FIM 22-11 TASK 811 INITIAL EVALUATION WITHIN NO CURRENT FAULTSOct 8, 2022 · N457AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022100140133Battery Pack · faultyAFT GALLEY CENTER & LH SIDE EMERG LIGHTS EXTINGUISH IN LESS THAN 2 MINS. GROUNDED - YES. REMOVED AND REPLACED BATTERY, LOCATION M1672, OPS CHECK GOOD REF B737-900 AMM 33-51-06.Oct 1, 2022 · N457AS · Boeing 737990ER · Emergency LightingSDR ASAA2022090739926Eec · faultyWHILE PERFORMING ASA T/C 78273000, FOUND ENGINE 1 FAULT CODE SHORT TIME 73-11281 "EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE", FLIGHT LEG 3. GROUNDED - YES. REMOVED AND INSTALLED NEW EEC. REF B737-900 AMM 73-21-60-000-801-F00 & 73-21-60-400-801-FSep 7, 2022 · N457AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2022082339642Guide Arm · out of adjustL1 DOOR HARD TO CLOSE. GROUNDED - YES. ADJUSTED FWD ENTRY DOOR GUIDE ARM IAW B737-900 AMM 52-11-00-820-801.Aug 23, 2022 · N457AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2022082239612Unknown · faultyUPON RECALL, MASTER CAUTION LIGHT AND LEFT PACK LIGHT ILLUMINATES. GROUNDED - YES. PERFORMED LH PFTC BITE. FOUND LH PACK TCV FAULT REF B737-900 FIM 21-62 TASK 801. REPLACED LH PACK TCV PER B737-900 AMM 21-51-10. INSTALLATION TEST PASSED. NO LEAKS.Aug 22, 2022 · N457AS · Boeing 737 · Cabin Cooling SystemSDR ASAA2022081239506Insert · broken#1 ENGINE, FAN DUCT PANEL (5) HAS A BROKEN SCREW INSIDE THE FAN FRAME. GROUNDED - YES. REMOVED FAN DUCT PANEL (WITH LPTACC SCOOP) (5) ON # 1 ENGINE REF B737-900 AMM 72-23-07. REMOVED AND REPLACED BROKEN INSERT ON FRAME WITH NEW REF CFM OVERHAUL MANUAL REF 70-4Aug 12, 2022 · N457AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2022080539404Handle · lack of lubeFLIGHT ATTENDANT REPORTS THAT L1 DOOR HANDLE IS HARD TO OPEN - GETS STUCK HALF WAY THRU MOVEMENT. GROUNDED - YES. RE-LUBRICATED L1 DOOR REF B737-900 AMM 12-25-11.Aug 5, 2022 · N457AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2022072639248Unknown · faulty#2 ENGINE B FIRELOOP DETECTOR INOP. GROUNDED - YES. REMOVED AND REPLACED ENG #2 CORE FIRE DET HARNESS LOOP B REF B737-900 AMM 26-11-02 OPS CHECK GOOD.Jul 26, 2022 · N457AS · Boeing 737 · Detection SystemSDR ASAA2022071139115Harness · inoperative#2 ENGINE LOOP "B" INOP ON TEST. GROUNDED - YES. REMOVED AND REPLACED CORE FIRE DETECTOR HARNESS MW0326 OP TEST GOOD GROUND VERIFICATION PASS REF B737-900 AMM 26-11-02-000/400-802.Jul 11, 2022 · N457AS · Boeing 737990ER · Detection SystemSDR ASAA2022062338776Exciter · faultyWHILE DOING AN AIR START, WE HAD TO ABORT #1 START, EGT GOT TO 400F & IT STARTED TO FLASH & ROLLED BACK. I PUT THE START LEVER TO CUT OFF & START SWITCH TO OFF. GROUNDED - YES. FOUND R/H IGNITION EXCITER FAILED DURING IGNITION SYSTEM AUDIBLE TEST B737-900 AMM Jun 23, 2022 · N457AS · Boeing 737990ER · Ignition Power SupplySDR ASAA2022061838732Vbv · false indicationSHORT TIME FAULT 75-30451, THE VBV POSITION SIGNALS DISAGREE REQUIRES PLT DEFERRAL PER T/C 78273000. GROUNDED - YES. PERFORMED BITE TEST REF 75-32 TASK 803, G. OPS TEST GOOD.Jun 18, 2022 · N457AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2022060838623Igniter · inoperativeR IGN ON ENGINE #1 INOP. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE R IGNITER IAW B737-900 AMM 74-21-02.Jun 8, 2022 · N457AS · Boeing 737990ER · Ignition Harness (Distribution)SDR ASAA2022041338016Master Caution · failedCONT CAB ZONE TEMP ILLUMINATION DURING MASTER CAUTION RECALL. GROUNDED - YES. REMOVED AND REPLACED FLT DECK TRIM VALVE PER B737-900 AMM 21-61-21Apr 13, 2022 · N457AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2022041337976Harness · damagedWHILE ACCOMPLISHING T/C N8420000, FOUND #1 ENGINE CORE FIRE DETECTOR HARNESS MW0326 DAMAGED ON 12 O'CLOCK POSITION. (BUSHING CHAFFING THROUGH HARNESS). GROUNDED - YES. REPLACED AND TESTED MW0326 REF B737-900 AMM 26-11-02-000-802 AND -400-802. OPS NML. WORK ACCApr 13, 2022 · N457AS · Boeing 737990ER · Detection System
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