PERFORMED BPCU BITE PROCEDURE IAW B (N640GT) - [SDR ASAA2019092930842](https://openairdocs.org/sdr/ASAA2019092930842), Sep 29, 2019: Boeing 737890. WARNING SYSTEM. FALSE ACTIVATION. #1 SOURCE OFF LIGHT ILLUMINATED AT TOP OF DESCENT. RAN QRH SOURCE OFF CHECKLIST. SOURCE OFF LIGHT EXTINGUISHED WHEN APU (N579AS) - [SDR ASAA2019092530823](https://openairdocs.org/sdr/ASAA2019092530823), Sep 25, 2019: Boeing 737890. WARNING SYSTEM. FALSE ACTIVATION. TRANSFER BUS OFF LIGHT #2 BEGAN TO FLICKER JUST AFTER TOP OF DESCENT TO JFK, IT WAS ALWAYS A VERY QUICK FLASH AND CAUSED (N584AS) - [SDR UIEA2019071804789](https://openairdocs.org/sdr/UIEA2019071804789), Jul 16, 2019: Boeing 76731B. RELAY. FAULTY. HYD GEN VAL MESSAGE(
LP 1072969 - M12: RECONNECTED HYDRAULIC MOTOR GENERATOR SHUTOFF VLV CANNON PLUG, TEST TO BE PERFO (N1361A) - [SDR UIEA2019050804148](https://openairdocs.org/sdr/UIEA2019050804148), May 7, 2019: Boeing 76731A. WARNING SYSTEM. FALSE ACTIVATION. LEFT IDG VALVE DISPLAYED.(
PERFORMED FIM 24-20 FT 802. NO FAULTS ON BPCU. CHECK CONTINUITY AT CONNECTOR D11 G45 IN IDG (N662GT) - [SDR QXEA2019012200039](https://openairdocs.org/sdr/QXEA2019012200039), Jan 19, 2019: Bombdr DHC8402. UNKNOWN. MALFUNCTIONED. AFTER PUSH BACK, DURING THE AFTER START FLOW WE GOT ON THE PFD 2 A: 1. HDG FAIL, 2. WX FAIL, 3. TERR FAIL, & 4 TCAS FAIL (N447QX) - [SDR UIEA2018091301963](https://openairdocs.org/sdr/UIEA2018091301963), Sep 13, 2018: Boeing 747409. WARNING SYSTEM. ACTIVATED. ABORTED TAKE OFF FOR ELEC BUS ISLN 3 ADVISORY. APPLIED DDG 24-11-01A. (N249BA) - [SDR I5PA201808170003](https://openairdocs.org/sdr/I5PA201808170003), Aug 17, 2018: Boeing 757230. SHUTOFF VALVE. INOPERATIVE. HMG INOPERATIVE. (N888LT) - [SDR ASAA2017012119479](https://openairdocs.org/sdr/ASAA2017012119479), Jan 21, 2017: Boeing 737890. WARNING SYSTEM. FALSE ACTIVATION. AFTER ENGINE START NR 2 ENGINE GEN OFF BUS AND SOURCE OFF LIGHTS ILLUMINATED. GEN TRIPPED OFF AFTER BEING CONNECTED TO B (N565AS) - [SDR A6WA201644093](https://openairdocs.org/sdr/A6WA201644093), Jul 14, 2016: Cndair CL6002B19. WARNING SYSTEM. ACTIVATED. NR 2 IDG CAUTION MSG, CW QRH NR 1 IDG ALREADY ON MEL. DIVERTED, LANDING WEIGHT APPROXIMATELY 43000 LBS, BRMS 4, 4, 4, 4. (N468AW) - [SDR UIEA2016041600246](https://openairdocs.org/sdr/UIEA2016041600246), Apr 16, 2016: Boeing 767231. WARNING SYSTEM. ACTIVATED. LOW SPEED ABORT FOR RT ENG GEN DRIVE, CAUTION MSG COMPLIED WITH QRH. TRANSFERRED TO MEL 24-00-01-03 MDDR 65929 CAT B. (N651GT) - [SDR A6WA201643765](https://openairdocs.org/sdr/A6WA201643765), Apr 8, 2016: Cndair CL6002B19. WARNING SYSTEM. ACTIVATED. ABORTED TAKEOFF FOR IDG2 CAUTION MSG BELOW 80 KNOTS. NORMAL BTMS. (N426AW) - [SDR UIEA2016040200228](https://openairdocs.org/sdr/UIEA2016040200228), Apr 2, 2016: Boeing 7673S1. WARNING SYSTEM. FALSE ACTIVATION. STATUS MSG RT IDG VLV. COMPLIED WITH FIM PROCEDURE 24-20 TREE 802, MSG CLEARED & NO HARD FAULT. (N640GT) - [SDR UIEA2016010600004](https://openairdocs.org/sdr/UIEA2016010600004), Jan 6, 2016: Boeing 7673S1. WARNING SYSTEM. FALSE ACTIVATION. LEFT IDG VLV STATUS MSG. COMPLIED WITH FIM 24-20 FT 802. BUS POWER CONTROL UNIT INDICATED IDG HIGH, DELTA TEMP. COMPLIED (N640GT) - [SDR HNAA2016010400001](https://openairdocs.org/sdr/HNAA2016010400001), Jan 4, 2016: Dhav DHC8102. TRU. MALFUNCTIONED. DURING CRUISE, RT AC BUSS CAUTION LIGHT ILLUMINATED. FOLLOWING C/L'S ILL. R TRU, R ELEVATOR HORN HEAT, AND RT STALL WARN (N941) - [SDR A6WA201543256](https://openairdocs.org/sdr/A6WA201543256), Nov 16, 2015: Cndair CL6002B19. WARNING SYSTEM. ACTIVATED. ABORTED TO AT 55 KTS, DUE TO IDG 1 CAUTION. FOLLOWED BY GEN 1 CAUTION MSG. (N410AW) - [SDR 2015FA0000617](https://openairdocs.org/sdr/2015FA0000617), Oct 23, 2015: Lear 35A. INVERTER. MALFUNCTIONED. PILOT REPORTED A VOLTAGE SPIKE FOR THE SECONDARY INVERTER INDICATOR. (N131AJ) - [SDR ASMF201510025](https://openairdocs.org/sdr/ASMF201510025), Sep 30, 2015: Boeing 737752. WARNING SYSTEM. FALSE ACTIVATION. AIRCRAFT RETURNED TO PLATFORM DUE TO DURING TAXING, THE ELEC LIGHT TURNED ON. PERFORMED RESEAT TO STANDBY POWER IAW AMM (N851AM) - [SDR MTNA20150715001](https://openairdocs.org/sdr/MTNA20150715001), Jul 14, 2015: Cessna 208B. WARNING SYSTEM. FALSE ACTIVATION. DURING TAKEOFF, THE GEN OFF LIGHT INDICATOR ILLUMINATED & DID NOT RESET. IN ADDITION THERE WAS A BURNING SMELL IN THE CO (N721FX) - [SDR A6WA201442170](https://openairdocs.org/sdr/A6WA201442170), Nov 16, 2014: Cndair CL6002B19. WARNING SYSTEM. ACTIVATED. AFTER TAKEOFF THRUST APPLIED RECEIVED IDG NR 2 CAUTION & GEN NR 2 CAUTION MSG. ABORTED TAKEOFF AT LESS THAN 20 KTS. (N471ZW) - [SDR UIEA2014102300503](https://openairdocs.org/sdr/UIEA2014102300503), Oct 23, 2014: Boeing 7673Y0. WARNING SYSTEM. ACTIVATED. IDG OUT TEMP MX MSG. IN WORK ACFT IS IN A CHECK. (N642GT) - [SDR 9JLA2014101307187](https://openairdocs.org/sdr/9JLA2014101307187), Sep 18, 2014: Raythn HAWKER800. DIODE. DEFECTIVE. THE MULTIFUNCTION DISPLAY WENT BLANK. TROUBLESHOOTING FOUND THAT THE SG WAS INOPERATIVE. FURTHER TROUBLESHOOTING FOUND D (N304HE) - [SDR CALA2014091801255](https://openairdocs.org/sdr/CALA2014091801255), Sep 17, 2014: Boeing 737824. WARNING SYSTEM. ACTIVATED. ON RUNWAY GOT GEN OFF LIGHT SOURCE LIGHT ON RT ENG TRIED TO RESET IAW QRH NO HELP. GOT IDG FAULT, DISCONNECTED IDG, CHEC (N76508) - [SDR HNAA2014061800185](https://openairdocs.org/sdr/HNAA2014061800185), Jun 18, 2014: Dhav DHC8102. MONITOR. INOPERATIVE. AC POWER MONITOR IS BLANK. R & R AC POWER MONITOR IAW 24-29-05. OPS CHECKED GOOD. (N914HA) - [SDR CALA2014060291179](https://openairdocs.org/sdr/CALA2014060291179), Jun 2, 2014: Boeing 777222. WARNING SYSTEM. FALSE ACTIVATION. CREW REPORTS LT & RT ENG GEN CONTROL OFF LIGHTS CAME ON IN FLIGHT. AFTER CHECKLIST CARRIED OUT EVERYTHING WENT BACK TO N (N796UA) - [SDR SIMA20131219003](https://openairdocs.org/sdr/SIMA20131219003), Dec 19, 2013: Cndair CL6002C10. WARNING SYSTEM. FALSE ACTIVATION. FLIGHT 3683 ACFT BUS 2 CAUTION MSG POSTED AFTER LANDING & NR 1 ENG SHUT DOWN. THE ACFT WAS REMOVED FROM SERVICE. PERFORM (N515AE) - [SDR CALA2013090290936](https://openairdocs.org/sdr/CALA2013090290936), Aug 31, 2013: Boeing 767322. LIGHT. NO TEST. NO RT BUS OFF LIGHT INOPERATIVE WILL NOT TEST - AT DEPARTURE. (N669UA) - [SDR UALA2013040802330](https://openairdocs.org/sdr/UALA2013040802330), Apr 6, 2013: Airbus A320232. WARNING SYSTEM. FALSE ACTIVATION. GEN 2 FAULT DISPLAYED ON UPPER ECAM. INSTALLED GCU, GOT GOOD VOLTS AND FREQS, BUT STILL WOULD NOT COME ONLINE. IDG OIL L (N438UA) - [SDR UALA2013040102085](https://openairdocs.org/sdr/UALA2013040102085), Apr 1, 2013: Boeing 757222. CONTROLLER. FAILED. HMG FAILED ACK OPS CK. REPLACED HMG CONTROLLER. (N598UA) - [SDR N6WA2013030201](https://openairdocs.org/sdr/N6WA2013030201), Mar 2, 2013: Cndair CL6002C10. DISPLAY. INOPERATIVE. DURING TAKEOFF ROLL CAPT'S PFD AND MFD WENT BLANK AND YDI INOPERATIVE, STAB CHAN NR 2, R REV FAULT. R & R SSPC K 126 IAW (N165GJ) - [SDR CA130225022](https://openairdocs.org/sdr/CA130225022), Feb 25, 2013: Bell 212. INDICATOR. FLUCTUATES. (CAN) AMPERE INDICATOR HAD FLUCTUATING INDICATIONS. - [SDR VNAA2013021000009](https://openairdocs.org/sdr/VNAA2013021000009), Feb 10, 2013: Cndair CL6002B19. WARNING SYSTEM. FALSE ACTIVATION. CREW REPORTED GEN 2 AMBER CAS MESSAGE ON CLIMBOUT. CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUB (N244PS) - [SDR ASAA12511001](https://openairdocs.org/sdr/ASAA12511001), Jan 26, 2012: Boeing 737890. WARNING SYSTEM. FALSE ACTIVATION. AFTER START THE NR 1 ENGINE GENERATOR WOULD NOT GO ONLINE. DURING 1ST ATTEMPT THE VOLTS AND FREQUENCY WAS NORMAL. ON 2ND (N519AS) - [SDR MYWA120008](https://openairdocs.org/sdr/MYWA120008), Jan 19, 2012: Boeing 73781Q. UNKNOWN. MALFUNCTIONED. ETOPS SIGNIFICANT SYSTEM: NR 2 ENGINE DRIVE LIGHT IS NOT ILLUMINATED ON THE GROUND WHEN ENGINE NOT RUNNING. PERFORMED BI (N733MA) - [SDR REXA201200022](https://openairdocs.org/sdr/REXA201200022), Dec 30, 2011: Cndair CL6002B19. WARNING SYSTEM. INTERMITTENT. AIR RETURN FOR IDG NR 2 CAUTION MSG INTERMITTENT ON CLIMBOUT. (N8908D) - [SDR UALA2011083104688](https://openairdocs.org/sdr/UALA2011083104688), Aug 30, 2011: Boeing 777222. GENERATOR. FAULTY. ELECTRICAL BACKUP GENERATOR RT OFF. ONE RESET. OFF AGAIN. MULTIPLE CHRONIC. REPLACED RT ELECTRICAL BACK UP GENERATOR, OP (N215UA) - [SDR UALA2011072103705](https://openairdocs.org/sdr/UALA2011072103705), Jul 20, 2011: Boeing 757222. TRANSFORMER. FAULTY. HMG FAILS A-CHECK. MEASURED VOLTAGE IS 34.4 VDC. REQUIRED VOLTAGE IS 28VCD +-3. REPLACED HMG TRANSFORMER POWER SUPPLY T1 (N598UA) - [SDR ASAA1159643](https://openairdocs.org/sdr/ASAA1159643), May 13, 2011: Boeing 737890. UNKNOWN. MALFUNCTIONED. IDG "DRIVE" LIGHT NOT ON DURING PREFLIGHT. PER FLT CREW DRIVE LT OPERATED NORMALLY. SUSPECT BATTERY SW WAS IN OFF POSITI (N519AS) - [SDR UALA2011032801468](https://openairdocs.org/sdr/UALA2011032801468), Mar 27, 2011: Boeing 777222. CONVERTER. FAULTY. LEFT BACKUP GENERATOR IS OFF OR HAS FAILED. ELECTRICAL BACKUP GENERATOR LT EICAS MESSAGE. ATTEMPTED RESET. MESSAGE RE-AP (N210UA) - [SDR UALA2011031401207](https://openairdocs.org/sdr/UALA2011031401207), Mar 12, 2011: Boeing 777222. CONVERTER. FAULTY. BOTH BACKUP GEN LIGHTS CAME ON SAME TIME. RESET PER CHECKLIST. ALL OK. REPLACED BACKUP GEN CONVERTER PER MM. GROUND CHEC (N216UA) - [SDR REXA201100033](https://openairdocs.org/sdr/REXA201100033), Jan 9, 2011: Cndair CL6002B19. WARNING SYSTEM. ACTIVATED. NR 2 GEN OFF CAUTION MESSAGE, DEFERRED PER MEL 24-11-11. (N8709A) - [SDR UALA2010101803858](https://openairdocs.org/sdr/UALA2010101803858), Oct 17, 2010: Boeing 777222. CONVERTER. FAULTY. BACKUP CONVERTER FAILURE. ACCOMPLISHED ALL WIRE CHECKS, NO DEFECTS FOUND. REPLACED CONVERTER, GROUND TEST AND ENG TEST P (N223UA) - [SDR UALA2010101503824](https://openairdocs.org/sdr/UALA2010101503824), Oct 14, 2010: Boeing 777222. CONVERTER. TRIPPED. BOTH BACKUP GENS TRIPPED OFF IN DESCENT. RESET OK. REPLACED BACKUP GEN FREQ CONVERTER, CK'D OK AND TEST PASSED. (N223UA) - [SDR REXA201000139](https://openairdocs.org/sdr/REXA201000139), Sep 15, 2010: Cndair CL6002B19. WARNING SYSTEM. ACTIVATED. ACESS BUS CAUTION MESSAGE. AIRCRAFT STILL IN WORK. (N8560F) - [SDR UALA2010061602124](https://openairdocs.org/sdr/UALA2010061602124), Jun 14, 2010: Boeing 777222. CONVERTER. FAULTY. VSCF, BEPS STATUS MSG. CONVERTER FOUND FAULTY. REPLACED BACK UP CONVERTER. ENGINE RUN PERFORMED. OPS CHECK TEST PASSED. (N769UA) - [SDR UALA2010041301250](https://openairdocs.org/sdr/UALA2010041301250), Apr 11, 2010: Boeing 777222. GENERATOR. FAULTY. LT ENGINE BACKUP GENERATOR FILTER BLOCKED MESSAGE ON MAINT PAGE. DPI POPPED, ALSO LEAKING OIL BY HSG. REPLACED IAW AMM. (N229UA) - [SDR UALA2010031000825](https://openairdocs.org/sdr/UALA2010031000825), Mar 10, 2010: Boeing 777222. GENERATOR. FAILED. ELEC BACKUP GEN R RIGHT BACKUP GENERATOR IS OFF OR HAS FAILED. SERVICED BACK UP GENERATOR RT OIL TO FULL. REPLACED RT BA (N206UA) All 137: https://openairdocs.org/jasc/2425/reports.md ## Other codes in chapter 24 - [JASC 2400](https://openairdocs.org/jasc/2400): Electrical Power System (1,186 reports) - [JASC 2410](https://openairdocs.org/jasc/2410): Alternator-Generator Drive (891 reports) - [JASC 2420](https://openairdocs.org/jasc/2420): AC Generation System (1,302 reports) - [JASC 2421](https://openairdocs.org/jasc/2421): AC Generator-Alternator (4,273 reports) - [JASC 2422](https://openairdocs.org/jasc/2422): AC Inverter (557 reports) - [JASC 2423](https://openairdocs.org/jasc/2423): Phase Adapter (15 reports) - [JASC 2424](https://openairdocs.org/jasc/2424): AC Regulator (480 reports) - [JASC 2430](https://openairdocs.org/jasc/2430): DC Generating System (1,120 reports) - [JASC 2431](https://openairdocs.org/jasc/2431): Battery Overheat Warning System (82 reports) - [JASC 2432](https://openairdocs.org/jasc/2432): Battery/Charger System (2,249 reports) - [JASC 2433](https://openairdocs.org/jasc/2433): DC Rectifier/Converter (197 reports) - [JASC 2434](https://openairdocs.org/jasc/2434): DC Generator-Alternator (849 reports) - [JASC 2435](https://openairdocs.org/jasc/2435): Starter-Generator (2,052 reports) - [JASC 2436](https://openairdocs.org/jasc/2436): DC Regulator (313 reports) - [JASC 2437](https://openairdocs.org/jasc/2437): DC Indicating System (98 reports) - [JASC 2440](https://openairdocs.org/jasc/2440): External Power System (169 reports) - [JASC 2450](https://openairdocs.org/jasc/2450): AC Power Distribution System (872 reports) - [JASC 2460](https://openairdocs.org/jasc/2460): DC Power Distribution System (608 reports) - [JASC 2497](https://openairdocs.org/jasc/2497): Electrical Power System Wiring (2,202 reports) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.