JASC 4920

Service difficulty reports · 2,430

Reports filed under 4920 · APU Core Engine, 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 jasc_code = '4920'
  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 UIEA2020021400254Surge Valve · failedDURING SHUTDOWN APU BLEED VALVE WOULD NOT GO ABOVE 10 PSI, CYCLED BLEED SWITCH, NO CHANGE.(<P>TRANSFERRED TO MDDR 124676 PER MEL 49-11-01-01, CAT C, DUE DATE: 24FEB20. DISPATCH JL @ 17:10Z.</P><P><SPAN>LP </SPAN><SPAN>1169147: </SPAN><SPAN>REMOVED AND REPLACEDFeb 14, 2020 · N1487A · Boeing 76731KSDR AALA202002149013O-Ring · leakingAIRCRAFT WAS GROUNDED: AT FL200 FUMES IN THE COCKPIT AND REAR AREA OF THE AIRCRAFT. SMELL WAS WET SOCKS AND REMAINED FOR THE REMAINDER OF FLIGHT. REMOVED AND REPLACED O-RINGS COMMON TO THE APU FAN ASSY IAW AMM 49-52-51. REF J/C 26L00021001, 26L00021002, 26L000Feb 13, 2020 · N119US · Airbus A320214SDR UIEA2020021310238Tru · malfunctionedEICAS MSG APU FAULT.(<P>TRANSFERRED TO MEL 49-11-01A, MDDR 124554 CAT C, DUE 21FEB20. DOWNGRADED TO ETOPS 60. </P><P>REF LOG PAGE 1187675 ITEM M5; REMOVED AND REPLACED TRU AS PER AM 24-32-01. OPS CHECK NORMAL, MDDR 124554 CLEARED.</P>)Feb 11, 2020 · N1229A · Boeing 767306SDR ASAA2020013172038Apu · shutdownAPU EMERGENCY SHUT DOWN. GROUNDED - YES. PERFORMED OPS CHECK IAW AMM 49-00-00 PB 501. NO FAULTS NOTED.Jan 27, 2020 · N286VA · Airbus A320214SDR DALA2020012000396Apu · contaminatedON T/O FROM ATL, NOTICED AN ODOR OF BURNING OIL CLIMBING OUT OF 1000' AND IT DISSIPATED BY 3000' TO WHERE THE F/O AND I DID NOT SMELL THE ODOR ANY MORE. ON TAXI IN WITH APU ON, ODOR RETURNED AND FOUND OIL BEING INGESTED BY APU, ON WALK AROUND. INSPECTED A/C, FJan 20, 2020 · N904DE · Doug MD88SDR A6WA2020012047120Apu · malfunctionedSUPPLEMENTAL, SHORTLY AFTER TAKEOFF, RECEIVED A SMOKE TOILET WARNING MESSAGE AND NOTICED AN ODOR OF SMOKE IN THE COCKPIT AND CABIN. CAPTAIN INSTRUCTED THE FLIGHT ATTENDANT TO CHECK THE LAVATORY FOR ANY INDICATION OF SMOKE. THE FLIGHT ATTENDANT FOUND THE SMOKE Jan 19, 2020 · N418AW · Cndair CL6002B19SDR UIEA2020011800090Pressure Switch · failedDURING PRE-FLIGHT APU FAULT MESSAGE. APU AUTO SHUTDOWN. PERFORMED FIM 49-11 FT 995 LOW OIL PRESSURE ON BITE TEST, SUSPECTED BAD LOW PRESSURE SWITCH. REMOVED AND REPLACED SWITCH IAW AMM 49-94-02. OPERATIONAL TEST OK. PERFORMED FIM 49-11 FT 995, OIL WAS OVERJan 18, 2020 · N1361A · Boeing 76731BSDR SWIA2020012047817Silencer · crackedAPU AIR INLET SILENCER ASSEMBLY HAS A CRACKED SPLITER AS MARKED. (C-CHECK) RO:1/14/2020REMOVED AND REPLACED APU SILENCER ON RACK REF CAMP # 20195382 REF E175 AMM.Jan 9, 2020 · N259SY · Emb ERJ170200LRSDR ASAA2020011061809Apu · inoperativeAFTER LANDING, APU WILL NOT START AND FAULT LIGHT. GROUNDED - YES. REMOVED AND REPLACED APU IAW AMM 49-52-11 AND T/C 78349001. OPS CHECKED GOOD.Jan 6, 2020 · N531AS · Boeing 737890SDR SIMA202001065001Apu · fumesFUMES DETECTED IN COCKPIT AND CABIN OF ELECRICAL AND OR OIL IN SOURCE.-C/A-ACCOMPLISHED FIM TASK 21-20-00-810-803-A AND ETN EM-72-034, FOUND APU TO BE CAUSE OF OIL FUMES IN COCKPIT WITH PACK 1 ON. DEFFERED APU "M PROCEDURES COMPLIED WITH" AUTH 010215DM-C REF 4Jan 5, 2020 · N694AE · Emb EMB145LRSDR P5CA2020010200001Control Valve · malfunctionedAPU AUTO SHUTDOWN(<P>REMOVED AND REPLACED APU CONTROL UNIT (OFF PART: PN 2117342-20, SN 33-B0380) PER AMM 49-61-05, BUT NO HELP. ITEM DEFERRED PER MEL 49-11-01B, CAT 'B', MDDR #122862.</P><P>LOG PAGE 1105254 - M2: REPLACED SURGE CONTROL VALVE AND OPERATIONAL CJan 2, 2020 · N647GT · Boeing 767306SDR AALA2019123199013D-Ring · leakingAIRCRAFT WAS GROUNDED: F/AS IN REAR OF AIRCRAFT REPORTED STRONG ODOR ON TAXI OUT IN REAR. SMELL OF JET EXHAUST NOTICEABLE IN FRONT. RETURNED TO GATE. MAINTENANCE FOUND SOURCE TO BE APU LEAKING. ***SUPPLEMENTAL ACTION: SECT.4, 5 AND 6: REMOVED AND REPLACED APUDec 27, 2019 · N828AW · Airbus A319132SDR UIEA2019122316118Apu · shutdownAPU UNSCHEDULED SHUTDOWN BEFORE START CHECK. RESTART OK. PERFORMED OPS CHECK OF APU IAW AMM 49-11-01. NO DEFECTS NOTED AT THIS TIME.Dec 20, 2019 · N1487A · Boeing 76731KSDR AALA2019122399022Apu · leakingAIRCRAFT WAS GROUNDED: DETECTED ENG OIL FUMES ON FLT DECK AND FWD GALLEY ON CLIMB OUT DIMINISHED IN CRUISE ON FLT DECK THEN RETURNED ON DESCENT. MAINTNENACE REPORTS APU WAS SOURCE OF ODOR. FOUND APU OVERSERVICED. DRAINED OIL TO PROPER LEVEL AND ACCOMPLISHED APDec 18, 2019 · N806AW · Airbus A319132SDR UIEA2019121986104Apu · inoperativeAPU INOP. RESECURED LINES, CLAMPS AND AND CONNECTOR PLUG IAW AMM 49-53-01. BITE CHECKED ECU IAW FIM 49-11 FT 987. REAPPLIED FIM 49-11 FT A05, NO SURGING, APU RUNS STRONG.Dec 18, 2019 · N1499A · Boeing 767328SDR AALA2019120189035Apu · leakingAIRCRAFT WAS GROUNDED: FLT. ATD REPORTED FUMES ODOR FUEL SMELL. SEVERITY MILD/MODERATE CATEGORY C. ONCE QUICK ACTIONS ITEMS COMPLETED SMELL GOT A LITTLE BETTER. MAINTENANCE TROUBLESHOT APU AND FOUND OIL LEAKING INTERNALLY FROM AIR INTAKE. INTERNAL IMPELLAR ANDDec 17, 2019 · N813AW · Airbus A319132SDR SWIA2019121746881Duct · cracked* APU UPPER AIR INLET DUCT HAS CRACKED STIFFENER. (C-CHECK) RO 12/13/2019 CLEANED AND WELDED CRACK ON APU UPPER INLET REF. MEGGITT CMM 49-14-01 REPAIR 8-BDec 16, 2019 · N460SW · Cndair CL6002B19SDR SWIA2019121746880Duct · cracked* APU LOWER AIR INLET DUCT HAS MULTIPLE CRACKED STIFFENERS. (C-CHECK) RO 12/13/2019 ORDERED AND RECEIVED APU AIR INLET DUCT, INSTALLED ON JOB 2780375, OP/23, MX TRANS #19808669.Dec 16, 2019 · N460SW · Cndair CL6002B19SDR DXTA2019121303193Apu · odorSHORTY AFTER TO A VISIBLE SMOKE WITH ENVIRONMENTAL SMELL APPEARED IN THE COCKPIT, DISSIPATED AFTER APU SHUTDOWN. BY TIME WE LANDED SMOKE AND SMELL WHERE GONE. ALL APPROPRIATE COMPANY PROCEDURES AND FAR'S WHERE COMPLIED WITH. REMOVED AND REPLACED THE APU. RAN Dec 13, 2019 · N643QS · Cessna 560XLSDR UIEA2019121326062Apu · faulted"APU FAULT" EICAS MSG ON 1ST ATTEMPT, SECOND ATTEMPT SUCCESSFUL.(<P>PERFORMED APU BITE PROCEDURE AND FOUND NO FAULTS ON THE ECU IAW B767 FIM 49-11 FT 987. OPS CHECK GOOD ON THE APU, NO FURTHER DEFECTS NOTED AT THIS TIME.</P>)Dec 12, 2019 · N1619A · Boeing 7673Y0SDR ASAA2019121131840Apu · faultyAPU CT5ATP EGT HAS SHIFTED ABOVE THE 593 DEGREE THRESHOLD AND REMAINS ABOVE THE 605 THRESHOLD. GROUNDED - YES. REMOVED AND REPLACED APU. REF AMM 49-11-00. OP CHECK GOOD.Dec 11, 2019 · N531AS · Boeing 737890SDR AALA2019121619014Apu · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS EXTREME EXHAUST FUMES IN COCKPIT WITH EXTENSION OF FLAPS, FUEL IN RT TANK DROPPED SIGNIFICANTLY FASTER THAN LEFT TANK, FUMES WORSENED AT ENGINE SHUTDOWN, RT TANK DROPPED APPX 1000LBS VS. LEFT 200 LBS ON APPROACH. MAINTENANCDec 10, 2019 · N954NN · Boeing 737823SDR QXEA2019121200455Apu · inoperativeAPU FAILED TO START ON ONE ATTEMPT. MULTIPLE PEOPLE OUTSIDE THE AIRCRAFT REPORTED A 6-8' FLAME FROM THE APU EXHAUST. WHEN THE MECHANIC OPENED THE CLAMSHELL, A SMALL PUDDLE OF RAW FUEL DROPPED TO THE GROUND. REMOVED FROM SERVICE. CLEANED RESIDUAL FUEL FROM APU Dec 10, 2019 · N403QX · Bombdr DHC8402SDR DXTA2019120903180Engine · hung startAPU AUTO SHUTDOWN - DURING TAKEOFF DEICE FLUID WAS INGESTED BY THE APU. WE HAD SMOKE IN CABIN AND COCKPIT, AND THE APU SHUT ITSELF DOWN. PERFORMED VISUAL INSPECTION OF THE APU INTAKE AND EXHAUST. FOUND SOME DE-ICE FLUID INSIDE THE INTAKE. CHECKED THE OIL SERVDec 8, 2019 · N208QS · Cndair CL6002B16SDR SWIA2020012147859Duct · crackedAPU INLET DUCT ASSY HAS SEVERAL CRACKS IN UPPER AND LOWER DUCT. (C-CHECK) RO:1/17/2020WELDED CRACKED APU UPPER INLET DUCT USING TITANIUM WELDING ROD PO# T-46030/1 PER MEGGITT CMM. ORDERED AND RECEIVED APU LOWER INLET DUCT P/N 15A103-103. INSTALLATION DDec 4, 2019 · N455CA · Cndair CL6002B19SDR AALA2019120539013Apu · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS DIRTY SOCKS FUMES AFTER TAKEOFF FOR 20 MINUTES SUBSIDED AT CRUISE FL360 ODOR RETURNED ON DECENT. MAINTENANCE ACCOMPLISHED JOB CARD 26L00021001, FOUND APU LEAK CAUSING SOURCE OF SMELL. SUPPLEMENTAL INFORMATION: MAINTENANCE RDec 2, 2019 · N125UW · Airbus A320214SDR UIEA2019120435991Module · failedAPU NOT PROVIDING ENOUGH AIR PRESSURE TO START RIGHT ENGINE. REMOVED AND REPLACED FLOW SENSING MODULE IAW B767 AMM 49-53-08. OPS CHECKED GOOD.Dec 2, 2019 · N1427A · Boeing 767306SDR AALA2019120429016Apu · leakingAIRCRAFT WAS GROUNDED: BOTH PILOTS SMELLED "OIL SMELL" DURING SEVERAL PHASES OF FLIGHT. MODERATE + LIGHT IN INTENSITY. MAINTENANCE ACCOMPLISHED SMOKE ODOR FUMES INITIAL TROUBLESHOOTING IAW JOB CARD 26L00021001. DETERMINED APU IS THE CAUSE OF ODOR. SUPPLEMENTALDec 1, 2019 · N673AW · Airbus A320232SDR YENA2019120510689Apu · contaminatedFT # 1171, LGA-FLL. DIRTY SOCK/MUSTY DRY SMELL STRONG ODOR FROM TO POWER THRU 17K. DISSIPATED ONCE ABOVE PRECIPITATION.STRONG ODOR AGAIN IDLE DESC; PERFORMED INFO NOTICE 2017-T015F. APU REQUIRES REPLACEMENT DUE TO OIL CONTAMINATION AND LEAKAGE. PERFORMED ECS DDec 1, 2019 · N834JB · Airbus A320232SDR AALA201911299010Apu · smokeAIRCRAFT WAS GROUNDED: AT MIA DURING TAXI OUT, AIRCRAFT BEHIND REPORTED SMOKE FROM THE APU. FLIGHT RETURNED TO GATE UNDER ITS OWN POWER. ARFF CALLED AND FOLLOWED TO GATE. ARFF COOLED APR WITH WATER AT MAINTENANCE REQUEST. MAINTENANCE PERFORMED FIVE OPS CHECKS Nov 28, 2019 · N725AN · Boeing 777323ERSDR SIMA201911276002Apu · malfunctionedAPU FAIL & SHUTDOWN DURING STEADY STATE OPERATION AT FL360.-C/A-CHECKED OK FOR DEFERRAL PER MEL 49-1. M PROCEDURES C/W. AUTH # 110898DM-C. EXPIRES 12-6-19. PLACARD INSTALLED. PERF OPERATIONL TEST OF APU WITH BOTH ELECTRICAL AND PNEUMATIC LOADS IAW EMB 145 Nov 26, 2019 · N668HH · Emb EMB145LRSDR AALA2019112759033Apu · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS CABIN ODOR PERSISTENT FROM TAKE-OFF TO LANDING. MAINTENANCE FOUND OIL LEAK ON APU GEARBOX. SUPPLEMENTAL INFORMATION: MAINTENANCE REMOVED AND REPLACED APU IAW JOB CARD 26L31049003. (CLOSED)Nov 24, 2019 · N124US · Airbus A320214SDR AALA201911259032Flow Divider · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS DIRTY SOCKS SMELL NOTICED IN FWD CABIN & FLIGHT DECK. MAINTENANCE FOUND SOURCE OF ODOR TO BE FROM APU. ***SUPPLEMENTAL INFORMATION: MAINTENANCE FOUND FUEL DRIPPING FROM APU FUEL FLOW DIVIDER. REPLACED APU FLOW DIVIDER AND Nov 20, 2019 · N813AW · Airbus A319132SDR AALA2019112519018Apu · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS DURING IDLE DECENT VERY STRONG ODOR REPORTED BY FA"S AND FLIGHT DECK CREW. HYDRAULIC LIKE SMELL. MAINTENANCE FOUND SOURCE OF ODOR TO BE FROM APU. ***SUPPLEMENTAL INFORMATION: MAINTENANCE REMOVED AND REPLACED APU IAW JOB CARNov 20, 2019 · N655AW · Airbus A320232SDR SWIA2019121846984Duct · crackedAPU AIR INLET DUCT HAS NUMEROUS CRACK. (C-CHECK) RO 12/14/2019 REPAIRED 9 EA CRACKS IN APU UPPER AND LOWER INTAKE DUCTS IAW MEGGITT CMM.Nov 19, 2019 · N437SW · Cndair CL6002B19SDR DALA201911246875Engine · making metalTEN MINUTES BEFORE PUSHBACK CABIN FILLED WITH SMOKE. RAN QRH PROCEDURES. DEPLANED PASSENGERS THROUGH 1L DOOR. APU AUTO SHUTDOWN. UPON INVESTIGATION, FOUND DRAIN CHIP DETECTOR FULL OF METAL PARTICLES AND APU AIR PLENUM CRACKED. PERFORMED REMOVAL OF OIL CONTAMINNov 19, 2019 · N176DZ · Boeing 767332SDR AALA2019111989031Apu · leaking5AIRCRAFT WAS GROUNDED: MAINTENANCE REPORTS MUSTY SMELL IN COCKPIT AND CABIN WHEN PACKS WERE TURNED ON THROUGH APU. ALSO, ON DESENT INTO MCO F/A'S IN REAR OF ACFT SMELLED "DIRTY SOX SMELL" ENGINES WERE IDLE FOR DESENT. SEEM TO GET BETTER JUST PRIOR TO TOUCH DONov 15, 2019 · N187US · Airbus A321211SDR UIEA2019111505911Actuator · low torqueAPU INOP DUE TO NUMEROUS ECU FAULTS PER POWERPLANT ENGINEERING.(<P>TRANSFERRED TO MDDR 120639 PER MEL 49-11-01A, CAT 'C'.<BR /></P><P>LP 1223288 - M5: REMOVED AND REPLACED INLET GUIDE VANE ACTUATOR REF B767 AMM 49-52-02, OPS CHECK GOOD. THIS CLEARS DMI 120639.Nov 15, 2019 · N1181A · Boeing 7673Y0SDR UIEA2019111955918Apu · malfunctionedAPU INOPERATIVE.(<P>LP 1215769 - M1: PERFORMED BITE TEST ON APU ECU, TEST PASSED IAW AMM 49-61-05. APU OPS CHECK NORMAL IAW AMM 49-11-00.<BR /></P><P>LP 1215769 - M2: APU COLD SOAK REQUIRED DUE TO APU WORK. TRANSFERRED TO DMI 120637, DEFERRED PER DDG 25-AP-01,Nov 15, 2019 · N1487A · Boeing 76731KSDR DALA2019111506701Inlet · contaminatedJUST AFTER TAKE OFF NOTICED AN ODOR OF BURNING RUBBER IN BOTH THE COCKPIT AND CABIN ODOR DISAPPATED AFTER APPROX. ONE MINUTE. ENGINE ANTI-ICE WAS ON FOR THE TAKEOFF- NO SMOKE OR FUMES NOTICED- ALL INSTRUMENTS INDICATIONS WERE NORMAL. ON PREVIOUS APPROACH GOT ANov 15, 2019 · N924DN · Doug MD9030SDR AALA2019111849002Apu · leakingAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED ODOR DETECTED DURING APPROACH. MAINTENANCE DECLARED APU CHANGE DUE TO INTERNAL LEAK FROM LOAD COMPRESSOR. ***SUPPLEMENTAL INFORMATION: MAINTENANCE REPLACED APU IAW JOB CARD 26L31049003. OPS CHECK GOOD.*** (CLOSENov 13, 2019 · N111US · Airbus A320214SDR AALA2019111319018Apu · fireAIRCRAFT WAS GROUNDED: APU AUTO SHUTDOWN AT GATE, RAMP REPORTS SEEING FLAMES & SMELL OF FUEL AT AFT SECTION OF AIRCRAFT. MAINTENANCE REMOVED AND REPLACED APU IAW JOB CARD 26L31049005 LEAK AND OPS CHECK GOOD.Nov 10, 2019 · N820AW · Airbus A319132SDR AALA2019111169012Apu · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS DIRTY SOCK SMELL ON DECENT IN COCKPIT AND CABIN. MAINTENANCE FOUND SOURCE OF ODOR TO BE FROM APU. SUPPLEMENTAL INFORMATION: MAINTENANCE REMOVED AND REPLACED THE APU IAW JOB CARD 26L31049005. (CLOSED)Nov 5, 2019 · N813AW · Airbus A319132SDR ASAA2019111251263Exhaust Duct · fireAPU FLAMEOUT WHILE PARKED AT GATE PRIOR TO PUSHBACK. RAMP PERSONNEL NOTICED LARGE FLAME OUT EXHAUST. APU FAULT LIGHT ILLUMINATED. APU SWITCHED OFF. RAMP PERSON PULLED APU FIRE SWITCH IN WHEEL WELL. GROUNDED - YES. PERFORMED APU BITE, FOUND MX MESSAGE 49-11023 Nov 5, 2019 · N508AS · Boeing 737890SDR ASAA2019102931161Apu · failedAPU CT5ATP TEMPERATURE REMAINS ABOVE 605 DEGREES AFTER ALL TROUBLE-SHOOTING COMPLETED.(#PRI2)ETOPS SIGNIFICANT SYSTEM INSTALLATION TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. UPON COMPLETION CONTACT MAINTENANCE CONTROL AND REPORT THAT THIS TASK HAS Oct 29, 2019 · N457AS · Boeing 737990ERSDR UIEA2019102545787Apu · unknownAPU SHUTDOWN WHEN SWITCHING FROM EXT PWR TO APU GEN.(<P>PERFORMED APU BITE IAW B767 FIM 49-11 FT 987. NO FAULTS OR ABNORMAL SHUTDOWN ECU. STARTED APU IAW B767 AMM 49-11-00. PERFORMED POWER TRANSFER AND OPS CHK OF APU GENERATOR IAW B767 AMM 24-21-00, OPS CHECK Oct 24, 2019 · N1427A · Boeing 767306SDR ASAA2019102331083Control Valve · malfunctionedAPU TREND DATA SHOWS CT5ATP TEMP HAS A SUDDEN SHIFT ABOVE THE 593 DEGREE THRESHOLD. GROUNDED - YES. REMOVED AND REPLACED APU REF B737-900 AMM 49-11-00-803, T/C 78349010 . LEAK CHECK GOOD. OPS CHECK GOOD.Oct 23, 2019 · N491AS · Boeing 737990ERSDR GR4D20191023001Housing · corrodedAPU SEIZING DUE TO COMPRESSOR SHROUD CORROSION. INLET HOUSING HAD TO BE CHANGEDOct 23, 2019 · N529QS · Gulstm GVSPG550SDR IPXA2019102348207Apu · odorINSPECTION TYPE:N/A**SUPPLEMENTAL SDR** DIRTY AIR SMELL. FOUND APU HAVING HIGH OIL CONSUMPTION. PLACED APU ON DEFERRAL CONTROL #M687167 ASSIGNED. ACCOMPLISHED AIR CONDITIONING PACK OPERATION NO ODOR NOTED.R/R OIL FILTER AND DELTA P IND SYSTEM. OPS AND LEAK COct 22, 2019 · N275UP · Doug MD11FSDR AALA201910189020O-Ring · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS ENTERED ACFT IN PHX, F/AS REPORTED STRONG ODOR IN CABIN, COULD ALSO SMELL IT IN COCKPIT, F/AS ALSO SMELLED IT IN FLT. MAINTENANCE TROUBLESHOT IAW JOB CARDS 26L00021001 & 26L00021002, APU WAS SOURCE. REMOVED AND REPLACED APOct 15, 2019 · N806AW · Airbus A319132
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