JASC 2421

Service difficulty reports · 4,277

Reports filed under 2421 · AC Generator-Alternator, 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 = '2421'
  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 ASAA2021022334198Idg · failed#2 ENG GEN DOES NOT COME ON LINE. GROUNDED - YES. REMOVED AND REPLACED #2 IDG REF B737-800 AMM 24-11-11. OPCHECK OF #2 IDG IS GOOD REF AMM 24-11-00-700-803.Feb 23, 2021 · N593AS · Boeing 737890SDR ASAA2021022034157Generator · faultedAPU WILL NOT START, 2 ATTEMPTS. GROUNDED - YES. REMOVED & REPLACED APU SGU, REF B737-900 AMM 49-41-21. OPS/LEAK CHECKS GOOD. APU BITE SHOWS NO CURRENT FAULTS. GROUND VERIFICATION TEST GOOD.Feb 20, 2021 · N431AS · Boeing 737990ERSDR UIEA2021022200406Warning Message · false activationAPU BITE SYS MSG REMOVED AND REPLACED GENERATOR SCAVENGE FILTER IAW AMM 49-27-03. NO CONTAMINANTS FOUND. OPS CKS AND LEAK CKS GOOD.Feb 18, 2021 · N662GT · Boeing 76731ASDR 4DPA202102150001Generator · failedRECEIVED A GEN NR 4 BRG FAIL EICAS MESSAGE DURING BUR-EUG REPO LEG. REMOVED AND REPLACED NR 4 GENERATOR OPS TEST GOOD.Feb 15, 2021 · N259JX · Emb EMB135LRSDR ABXA2021215009Generator · shutdownWHILE ON GROUND AND LEFT ENGINE SHUTDOWN RIGHT GENERATOR DROPPED OFFLINE. AIRCRAFT BACK TO BLOCK AND GROUNDED. MAINTENANCE PERFORMED MANUAL RESET OF #2 ENG. FIELD IAW B767 AMM 24-11-00. RESET SUCCESSFUL. AIRCRAFT RELEASED FOR FLIGHT.Feb 15, 2021 · N767AX · Boeing 767281SDR QXEA2021021500061Control Unit · inoperativeON DEPARTURE #2 AC GEN CAUTION ILLUMINATED. RAN CHECKLIST THE GEN DID NOT RESET. MONITORED THE LOAD ON ALL 3 PHASES OF THE #1 AC GEN. NO PHASE APPROACHED OVER LOAD. RETURNED TO FIELD. REMOVED FROM SERVICE. R&R AGCU #2. OPS CHECK GOOD. FAULT LIGHT EXTINGUISHEDFeb 12, 2021 · N445QX · Bombdr DHC8402SDR UIEA2021021200286Generator · inoperativeAPU GENERATOR INOP (APU GENERATOR, EXCEPT ER OPERATIONS BEYOND 120 MINUTES (NOTIFY DISPATCH)(<P>APU GENERATOR CONSIDERED INOP, ITEM TRANSFERRED TO MDDR 142290 IAW MEL 24-00-02B, CAT B, DUE 14FEB21.</P><P>14 FEB 21- LP 1216215 ITEM 3 - CVG - REMOVED AND REPLACEFeb 11, 2021 · N1381A · Boeing 767316SDR UIEA2021020900257Idg · failedITEM 1: RIGHT GEN OFF. ITEM 2: R GEN DRIVE(<P>REMOVED AND REPLACED RT ENG IDG ASSY PER AMM 24-11-01. OPERATIONAL CHK POWER PLANT TEST REF AMM 71-00-00. LEAK AND OPERATIONAL CHK GOOD. ENG C/W.</P>)Feb 9, 2021 · N1427A · Boeing 767306SDR CALA2021020800145Gcu · malfunctionedELEC GEN CTRL UNIT R1 RIGHT 1 GENERATOR CONTROL UNIT (GCU) IS INOPERATIVE. FIM TASK REF : 24-20-F0-L7A-421A-A CMC MSG# 2419502 FLIGHT STATUS: A INTERMITTENCE CODE: H PH: CRUISE NARRATIVE: 24 BPCU GATEWAY OPS (LE FT) CMC MSG# 2416694 FLIGHTFeb 8, 2021 · N29977 · Boeing 7879SDR UIEA2021020500230Gcu · disconnectedR GEN DRIVE EICAS MESSAGE. RAN QRH & DISCONNECTED DRIVE SWITCH.(<P>THIS BECOMES DMI 141960, CAT B, MEL 24-00-01-01. DUE 08FEB21. PLACARD INSTALLED. MCC NOTIFIED. ETOPS 180 RESTRICTED. </P><P>LOG 1017409 ITEM #8: REMOVED AND REPLACED R GCU IAW AMM 24-22-02, OPSFeb 5, 2021 · N1427A · Boeing 767306SDR UIEA2021020500234Idg · inoperativeLEFT IDG INOP (C/W AP 18475 IAW AMM 24-11-01, FAILED STEP 2)(<P>TRANSFERRED TO MDDR 141992, CAT "B", DUE DATE 08FEB21. IAW MEL 24-00-01-01 MAINTENANCE ACTION COMPLIED WITH. MCC NOTIFIED. PLACARDS INSTALLED. L/H IDG. TJ 1754Z.</P><P>LP 1303726: REMOVED AND REPLFeb 5, 2021 · N1013A · Boeing 76736NSDR QXEA2021020300045Gcu · warning messageR AC BUS CAUTION MESSAGE ILLUMINATED DURING FLIGHT NO MASTER CAUTION ASSOCIATED REMAINED ILLUMINATED UNTIL ENGINE SHUTDOWN. DIVERTED. REMOVED FROM SERVICE. BOARDED ACFT TO VERIFY FAULT. NO R AC BUS CAUTION ILLUMINATED. PERFORMED FIM 24-20-00-810-806 STEPS 1-4AFeb 2, 2021 · N405QX · Bombdr DHC8402SDR UIEA2021020300216Idg · stainedON POST FLIGHT INSPECTION LT ENG IDG SERVICE DOOR HAS OIL RUNNING OUT OF IT. ACCOMPLISHED INSPECTION CLEANED LEFT ENG IDG SERV DOOR. NO LEAK NOTED AT THIS TIME. AS PER B767 AMM 71-40-00.Feb 1, 2021 · N640GT · Boeing 7673S1SDR UIEA2021020300217Idg · leakingPER MAINT REP OIL LEAK RIGHT ENGINE FROM IDG. R & R RT ENGINE IDG PRESSURE SERVICE ADAPTER IAW AMM 24-11-01. NO LEAKS NOTED.Feb 1, 2021 · N640GT · Boeing 7673S1SDR P5CA2021012700028Valve · leakingRIGHT GEN DRIVE LIGHT ILLUMINATED AFTER ENGINE START. TRANSFERRED TO MDDR 141517 24-00-01-01. PLACARD INSTALLED. DATE 31JAN21 LP 1333247 ITEM 9 CVG. INSPECTED AND FOUND IDG OIL PRESSURE RELIEF VALVE LEAKING. R & R IDG OIL PRESSURE RELIEF VALVE IAW B767 AMMJan 27, 2021 · N647GT · Boeing 767306SDR P5CA2021012500025Idg · failedDURING TAKEOFF ROLL, INITIATED A LOW SPEED AT 55 KTS, REJECTED TAKEOFF FOR RT GEN OFF AND RT GEN DRIVE EICAS MESSAGES. TRANSFERED TO MDDR 141408, REF POLAR DDG 24-00-01-01, CAT B, DUE 28 JAN21. MCC NOTIFIED, PLACARDS INSTALLED. MX ACTION C/W. REMOVED AND RJan 25, 2021 · N647GT · Boeing 767306SDR P5CA2021012200018Oil System · lowRT GEN OFF ON TAKEOFF. DEFERRED PER MEL 24-00-01-01, DMI 141247, 25JAN21, CAT B. PLACARD INSTALLED. UPON VISUAL INSPECTION FOUND THE NR 2 IDG LOW ON OIL, SERVICED IDG WITH 3 QTS, IAW AMM 12-13-03. THIS CLEARS DMI 141247. MCC NOTIFIED AND PLACARD REMOVED.Jan 22, 2021 · N647GT · Boeing 767306SDR HALA2021012500010Gcu · defectiveETOPS ECAM MX STATUS "AC GEN". REMOVED & REPLACED NR 1 GCU, PER AMM 24-22-34. MX STATUS CLEARED, OK FOR SERVICE.Jan 22, 2021 · N213HA · Airbus A321271NSDR UIEA2021012200101Gcu · faultedBPCU INDICATES "L GCU FAIL" (CODE 340. "L FIELD OFF" LIGHT ILLUMINATED). REMOVED AND REPLACED L GCU, IAW B767 AMM 24-22-02. OPERATIONS CHECK GOOD, P/N 734284F S/N 1819. LEFT GEN POWER SYSTEM OK. TRANSFERRED TO MDDR 141274, IAW MEL 24-00-01-02 DUE 25 JAN 21Jan 22, 2021 · N1511A · Boeing 767383SDR QXEA2021012100020Generator · inoperativeNR 1 AC GEN CAUTION ILLUMINATED AT 60 KIAS ON T/O ROLL ABORTED T/O RAN CHECKLIST. UNSUCCESSFUL RESET. ABORTED TAKE OFF. RETURNED TO GATE. REMOVED FROM SERVICE. A/C GEN R & R CHAPTER 5 INSPECTION. AIRCRAFT RETURNED TO SERVICE.Jan 21, 2021 · N448QX · Bombdr DHC8402SDR CALA2021012000061Control Switch · inoperativeDURING FLAP RETRACTION RT AC BUS EICAS FOLLOWED QRC RT GEN RESET BUT RT AC BUS REMAINED ISOLATED CREW COMMENTS, RT AC BUS OFF EICAS ON CLIMB AT 5,000 FT. FIRST SWITCH CLOSED, ISOL ILLUMINATED. DURING DEBRIEFING, CAPTAIN OFFICER FOLLOWED QRH WHILE CAPTAIN LEVJan 20, 2021 · N57863 · Boeing 75733NSDR I5PA2021011788803Idg · inoperativeRIGHT ENGINE GEN DRIVE LIGHT INOPERABLE. ISSUE WAS ISOLATED TO A FAULTY IDG LOW OIL PRESSURE SWITCH. IDG WAS REPLACED AND CONFIRMED OPERATIONAL.Jan 17, 2021 · N888LT · Boeing 757230SDR UIEA2021011900084Idg · malfunctionedAT CRUISE FL350, L GEN DRIVE EICAS. REMOVED & REPLACED NR 1 IDG, IAW AMM 24-11-01. LEAK & OPERATIONS CHECK GOOD.Jan 16, 2021 · N1489A · Boeing 76731KSDR QXEA2021011700010Generator · malfunctionedAFTER TAKEOFF, NR 2 AC GEN CAUTION LIGHT ILLUMINATED. E & A CHECKLIST RESET PROCEDURE DID NOT EXTINGUISH THE LIGHT. REMOVED FROM SERVICE. REPLACED NR 2 AC GEN, IAW Q400 T/C 6242101. NO FAULTS NOTED. GROUND RAN, OPERATIONS CHECK & LEAK CHECKS GOOD. A/C OKJan 14, 2021 · N444QX · Bombdr DHC8402SDR UIEA2021011200036Generator · malfunctionedLEFT GEN DROPPING OFFLINE AFTER ENGINE START AND DURING TAXI MOMENTARILY, OCCURRED THREE TIMES, GEN CAME BACK ONLINE EVERY TIME. TRANSFERRED TO DMI 140758, IAW MEL 24-00-01-01, CAT B. PERFORMED OPERATIONS CHECK ON LEFT IDG, IAW B767 AMM 24-11-00. NO MESSAGEJan 11, 2021 · N1093A · Boeing 76736NSDR 2DYA202010106001Idg · underservicedRIGHT GEN DRIVE EICAS MESSAGE AFTER TAKE-OFF, DRIVE DISC LIGHT CAME ON. CREW CALLED DISPATCH REPORTING RT IDG DRIVE/GEN. OFF EICAS MESSAGE, CREW FOLLOWED FCOM AND DECIDED TO RETURN FIELD (JFK). MOC CALLED JFK MX AND THEY WILL MEET THE AIRCRAFT UPON LANDING.Jan 5, 2021 · N602KW · Boeing 767238SDR ASAA2021010233865Idg · leakingTECH SERVICE REQUEST. FOLLOW-UP TO NR 2 IDG FREQUENT SERVICING, ACCOMPLISH IDG LEAK CHECK. GROUNDED-YES. PERFORMED IDG LEAK CHECK USING, REF B737-800 AMM 24-11-00, PREFERRED METHOD. FOUND OIL LEAKING OUT DRAIN. REMOVED AND REPLACED NR 2 IDG, REF TO AMM 24Jan 2, 2021 · N536AS · Boeing 737890SDR P5CA2021010200002Idg · faultedRT GEN DRIVE EICAS. FAULT CONFIRMED. TRANSFERRED TO MDDR NR 140354, MEL 24-00-01-01 CAT "B" DUE DATE 05JAN21. MCC NOTIFIED AND PLACARD INSTALLED. T/I MZ/1636Z. REMOVED AND REPLACED RT IDG, IAW AMM 24-11-01. OPERATIONS AND LEAK CHECK GOOD. THIS CLEARS MDJan 2, 2021 · N642GT · Boeing 7673Y0SDR SWAA2021010438963Oil Cooler · cloggedAFTER TAKE OFF FWD LAV SMOKE DETECTOR WENT OFF NO FIRE, CONFIRMED BY FLT ATT'S. HEAVY SMELL OF BIRD FROM ONE THAT HIT NR 1 ENGINE, SEE PREVIOUS WRITE-UP NR 1524941 LAVATORY/SMOKE C.B PULLED ON GROUND. PERFORMED NR 1 ENGINE INLET INSPECTION FOUND 2 EA BLADE PDec 29, 2020 · N7719A · Boeing 73776NSDR IPXA2020122463732Warning Message · false activationATB, EMERGENCY DECLARED, LANDED UNEVENTFULLY. NO EMERGENCY EQUIPMENT USED. ON TAKEOFF RT GEN EICAS QRH FOR GEN OFF RT GEN ATTEMPTED RESET DID NOT RESET. . RECONNECTED & OPERATIONS CHECK OF RT IDG GOOD, IAW 24-11-00-710-802.Dec 24, 2020 · N457UP · Boeing 75724APFSDR UIEA2020121402556Gcu · inoperativeFOUND RESISTANCE ON CONN D10966P ON R IDG. R IDG DISCONNECT, PER DDG 24-00-01-01. TRANSFERRED TO MDDR 139461, CAT B DUE 16DEC20. PLACARD INSTALLED. ER RESTRICTED, DISPATCH NOTIFIED. PERFORMED T/S FIM 24-20 TASK 804 FOR MESSAGE ON BPCU CT LOOP GROUND, FOUNDec 12, 2020 · N649GT · Boeing 767375SDR UIEA2020120902544Switch · out of limitsLEFT GENERATOR FIELD LIGHT ILLUMINATED. RESET LT GENERATOR FIELD SWITCH, IAW AMM 24-11-01. ALL OPERATIONS NORMAL.Dec 8, 2020 · N1181A · Boeing 7673Y0SDR DALA2020120804003Generator · malfunctionedTHE CREW RETURNED THE AIRCRAFT TO LAX FOLLOWING THE NR 1 GENERATOR DROPPING OFFLINE AT TOP OF CLIMB. UNABLE TO CONTINUE ETOPS. CORRECTIVE ACTION: MAINTENANCE REPLACED THE NR 1 ENGINE IDG, PER B757 AMM 24-11-01. THE GENERATOR FEEDER CABLES ALL CHECKED SATISFDec 7, 2020 · N547US · Boeing 757251SDR DALA2020120703989Idg · failedTHE CREW RETURNED THE AIRCRAFT TO LAX FOLLOWING THE NR 1 GENERATOR DROPPING OFFLINE AFTER TAKEOFF. UNABLE TO CONTINUE ETOPS. AFTER LANDING, THE NR 1 GENERATOR DRIVE AND THE UTILITIES BUSS SHED WOULD NOT RESET. CORRECTIVE ACTION: MAINTENANCE PERFORMED A BACKDec 7, 2020 · N547US · Boeing 757251SDR UIEA2020120402528Generator · trippedLEFT GEN TRIPPED, RAN QRH, RESET NORMAL. PERFORMED BPCU BITE, IAW B767 FIM 24-20 FT 801. NO FAULTS. THEN PERFORMED ENGINE RUN OF THE ENGINE NR 1. NO FAULTS. GEN OPERATES NORMAL.Dec 4, 2020 · N1181A · Boeing 7673Y0SDR YENA2020120600563Gcu · failedFLT 606, FLL-EWR. AFTER TAKE OFF GEN 1 FAILED AND WOULD NOT RESET (WITH NO APU). ELECTED TO RETURN TO FLL, OVERWEIGHT LANDING (APPROX 4000 LBS OVER). R & R IDG, IAW AMM 24-21-51-400-010B. OPERATIONS CHECK AND LEAK CHECK GOOD.Nov 30, 2020 · N588JB · Airbus A320232SDR YENA2020120600562Idg · failedFLT 606, FLL-EWR. AFTER TAKE OFF GEN 1 FAILED AND WOULD NOT RESET (WITH NO APU). ELECTED TO RETURN TO FLL, OVERWEIGHT LANDING (APPROX 4000 LBS OVER). R & R IDG, IAW AMM 24-21-51-400-010B. OPERATIONS CHECK AND LEAK CHECK GOOD.Nov 30, 2020 · N588JB · Airbus A320232SDR I5PA2020111368802B-Nut · leakingDISCREPANCY: "RT GEN DRIVE" EICAS MESSAGE (AIR RETURN). CORRECTIVE ACTION: FOUND "RT IDG LOW OIL PRESS" ON BPCU. EXAMINED DPI, NOT EXTENDED. RE-CONNECTED IDG AND PERFORMED IDG OIL SERVICING, PER AMM 12-13-03, AND FOUND OIL LEAK FROM B-NUTS ON IDG. TIGHTENENov 13, 2020 · N688SL · Boeing 757230SDR CALA2020111101258Idg · failedAPU FAULT LIGHT ILLUMINATED WITH 2 ATTEMPT START UPDATED MAA CODE FIX USING VENDOR MAA SCREEN. PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN UPDATED MAA CODE FIX USING VENDOR MAA SCREEN, PLEASE CONTACT TOMC BEFONov 11, 2020 · N28478 · Boeing 737924ERSDR HALA2020111000200Generator · defectiveODOR/FUMES, WET SOCK SMELL ON GROUND USING APU BLEED AIR. ONCE ENGINE BLEEDS ON, SMELL DISSIPATED. DURING DESCENT SMELL RETURNED AT 11,000 AND LASTED UNTIL PARKING. NO GO ODI CHECKLIST ATA 2172 SMOKE AND FUMES PRESENT C/W GENERATOR, APU, OFF 33-2423-9-0001 Nov 9, 2020 · N386HA · Airbus A330243SDR ASAA2020110133473Idg · inoperativeAPPROXIMATELY 2:30 INTO OUR FLIGHT AT FL 410. THE NR 2 TRANSFER BUS OFF LIGHT ILLUMINATED BRIEFLY THEN EXTINGUISHED. THIS HAPPENED IMMEDIATELY A SECOND TIME. WE ACCOMPLISHED QRH 6:11 TRANSFER BUS OFF. ONCE THE APU WAS ONLINE AND COVERING THE NR 2 TRANSFER Nov 1, 2020 · N557AS · Boeing 737890SDR ABXA20200803203Idg · intermittentRIGHT GENERATOR DRIVE LIGHT CAME ON INTERMITTENTLY ON TAXI. AIRCRAFT RETURNED TO GATE AND WAS GROUNDED BY MAINTENANCE. REMOVED AND REPLACED RT GEN, IAW B767 AMM 24-11-01. AIRCRAFT WAS RETURNED TO SERVICE.Oct 27, 2020 · N740AX · Boeing 767232SDR 2DYA20201026001Idg · underservicedDURING TAKE OFF THE LT GENERATOR EICAS DISPLAYED DROPPED OFF LINE. THE A/C RETURNED TO THE GATE. MAINTENANCE REPORTED LEFT IDG REQUIRED SERVICING. MX COMPLETED IDG SERVICING ACCORDANCE, IAW AMM12-13-03. A/C DEPARTED SUCCESSFULLY WITH NO FURTHER INCIDENT.Oct 26, 2020 · N703KW · Boeing 767336SDR SCNA20210212407Idg · malfunctionedGEN OFF BUS LIGHT AND SOURCE OFF LIGHT ILLUMINTED AT CRUZE GEN WOULD NOT RESET. CREW FOLLOWED THE QRH, UNABLE TO RECONNECT GEN 2 TO THE TRANSFER BUS. DUE TO #2 GEN OFF LIGHT STARTED APU IN FLIGHT AT 37000 , AFTER 3 MINUTES APU INOP LIGHT ILLUMINTED AND APU DROOct 23, 2020 · N824SY · Boeing 73785PSDR AALA202010259017Gcu · defectiveAIRCRAFT WAS GROUNDED. IN CRUISE FL320, SUDDEN JOLT/YAW FOLLOWED BY MASTER CAUTION. ENGINE GEN 1 FAULT ECAM. RESET GEN 1, PER ECAM, ANOTHER JOLT/YAW AND GENERATOR CAME BACK ON. REMOVE AND REPLACE THE GCU1 (1XU1), PER AMM 24-22-34. OPERATIONS CHECK OF THE Oct 22, 2020 · N534UW · Airbus A321231SDR UIEA2020102202283Warning Message · false activationLT GEN OFF UPON LEFT ENGINE START. QRH COMPLETE. MAINTENANCE & DISPATCH NOTIFIED. PLACED ON MEL 136542, IAW AMM/DDG 24-00-01-01. CAT D, DUE 24OCT20. PERFORMED OPERATIONS CHECK OF LEFT ENGINE IDG, IAW AMM 24-11-00. OPERATIONS TEST GOOD. THIS CLEARS MDDR Oct 21, 2020 · N1181A · Boeing 7673Y0SDR UIEA2020101802273Packing · leakingLT IDG LEAKING FROM FUEL/OIL HEAT EXCHANGER SUPPLY LINE. REMOVED AND REPLACED LT IDG OIL SUPPLY LINE PACKING, IAW 24-11-01. RAN LT ENGINE, IAW 71-00-00. LEAK CHECK GOOD. NO FURTHER DEFECTS NOTED.Oct 18, 2020 · N1489A · Boeing 76731KSDR DALA2020101903386Seal · leakingSTRONG SMOKE SMELL AFTER ROTATION. PERFORMED PERTINENT PORTION OF THE SMOKE/FIRE/FUMES QRH. AIR RETURN TO DTW. SMOKE/FUMES QUESTIONNAIRE COMPLETED.REPLACED IPC 1 CEM PER A220 AMP 21-42-03. OPS TEST OK. REPLACED CEM AS PRECAUTIONARY MEASURE. PERFORMED W/C 0550-Oct 17, 2020 · N120DU · Airbus BD5001A10SDR FDEA202010162534Idg · failedRT GEN OFF IN FLIGHT. CREW RAN QRH AS REQUIRED. CHECKED ELEC/HYD DISPLAY SELECT SWITCH ON THE EICAS PANEL AT P61 HAD RT GEN DRIVE PUSH THE BIT SWITCH ON THE BUS POWER CONTROL UNIT MESSAGES WAS RT LOW OIL AND DELTA TEMP OPENED COWL AND FOUND DELTA P POP ON RIOct 16, 2020 · N783FD · Boeing 757222SDR A6WA202010147324Adg · unwanted deployINADVERTENTLY DEPLOYED ADG DURING GEN 1 CAUTION. AROUND 220 KNOTS ADG RAN FOR APPROXIMATELY 20 MIN IN FLIGHT. APU GEN WAS ON MEL, PILOT CYCLED WRONG GEN SW. RETURNED DUE TO ADG DEPLOYED. IDG 1 CAUTION MSG ON T/O AND THEN MSG CLEARED, THEN RECEIVED GEN 1 CAOct 14, 2020 · N442AW · Cndair CL6002B19
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