JASC 2420

Service difficulty reports · 1,302

Reports filed under 2420 · AC Generation System, 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 = '2420'
  ORDER BY difficulty_date DESC"

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SDR HALA2011030800123Oil System · lowETOPS SIGNIFICANT SYS - ACFT ARRIVED WITH IDG OUT TEMP ECS MESSAGE WITH RT GEN OIL TEMP AT 113 AND RISE TEMP 56. T/S IAW FIM 24-20-00 FOUND IDG HIGH RISE TEMP ON BPC U OHMS GOOD IAW FIM SERVICED IDG ALSO FOUND IDG/OIL OUT BULB MESSAGE OHMS CHECKED GOOD IAW FIMMar 8, 2011 · N586HA · Boeing 7673G5SDR 2011FA0000172Transformer · failedTHE STATIC INVERTER WAS RECEIVED FOR REPAIR AND ISSUED ON OUT WO R11-01116. THE INVERTER`S COVER HAD ANOTHER REPAIR FACILITY`S ANTI-TAMPER STICKER ATTACHED AND INTACT. DURING DURING DISASSEMBLY OF THE INVERTER, OUR TECH NOTED A LARGE AMOUNT OF WHAT APPEARED Mar 1, 2011SDR HALA2011022200113Idg · warning lightETOPS SIGNIFICANT SYSTEM - EICAS MESSAGE LT GEN OFF DISPLAYED. LT GEN OFF LIGHT ILLUMINATED, GENERATOR SWITCH RESET DID NOT CORRECT CONDITION. BITE BPCU FOUND LT OPEN PHASE/TRIP/GEN FDR UNDER VOLT TRIP & OPEN POR/FDR/GEN. REMOVED & REPLACED NR 1 EN IDG AS PERFeb 22, 2011 · N587HA · Boeing 76733ASDR USAA20110114SB009Unknown · malfunctionedPHL - FLIGHT DEPARTED BOS WITH APU GENERATOR ON MEL. A BLEEDS OFF TAKEOFF WITH APU ON WAS PERFORMED AND WHEN APU WAS SHUTDOWN AFTER TAKEOFF, BOTH ENGINE GENERATORS TRIPPED OFF LINE. CREW COULD NOT RESET UNTIL APU SWITCH WAS PLACED BACK IN START POSITION. FLJan 13, 2011 · N460UW · Boeing 7374B7SDR ASAA1158741Unknown · malfunctionedDURING ENGINE START APU POWER FAILED AFTER START COMPLETE HAD AN EEC ALTN LIGHT ON ENG NR 1. PERFORMED FIM TASK 73 05 00 810 811 F00 ENG NR 1 ALTN LIGHT ON. ALL LOGGED FAULTS APPEAR RELATED TO LOSS OF APU ELECTRICAL POWER. APU GENERATOR SYSTEM CHECKED & RELJan 8, 2011 · N563AS · Boeing 737890SDR CA110104001Idg · failedDURING CRUISE ELECTRICAL TRANSIENT OCCURRED CAUSING LOSS OF FAC NR 1, ALL DISPLAYS EXCEPT F/O PFD WAS LOST FOR ABOUT 5 SECONDS. TSM 24-20-00-810-806/814 CARRIED OUT, NO FAULT FOUND. REPLACED IDG AS PER AMM 24-21-51-400-040.Jan 1, 2011 · Airbus A319114SDR CA101220003Receptacle · arced(CAN) ELECTRICAL ARCHING IN THE VICINITY OF GPU.WHILE CONNECTING GPU ON ARRIVAL. MAINTENANCE ADVISED. AS PER MOC INSTRUCTION CARRIED OUT INSP OF EXT PWR RECPT FROM INSIDE A/C NO DAMAGE FOUND. EXT PWR RECEPT NEED REPECEPLAMENT. AC EXTERNAL POWER RECEPTACLE REDec 19, 2010 · Emb ERJ190100IGWSDR 3LYA20101215Clamp · brokenACFT RETURNED TO DEPARTURE DUE TO THE NR2 ENGINE GENERATOR FAILURE AND LOSS OF OIL PRESSURE. CREW HAD TO SHUTDOWN AND FEATHER THE NR2 ENGINE. THE ACFT LANDED SAFELY AND WAS TOWED BACK TO THE GATE. MX DISCOVERED THAT THE NR2 ENGINE AC GENERATOR V-BAND CLAMP WASDec 13, 2010 · N502LX · Bombdr DHC8402SDR ASAA1058587Unknown · malfunctionedAPU ELECTRICS DROPPED OFF LINE 2 TIMES. GVI ON APU NO DEFECT FOUND. APU GCU LRU TEST PASSED. APU BITE NO CURRENT FAULT NO RELATED FAULT FOUND ON FAULT HISTORY & NO HISTORY IN TRAX. PERFORMED OPERATIONAL TEST FOR AC GENERATION & CONTROL SYSTEM REF MM 24 21 Dec 3, 2010 · N597AS · Boeing 737890SDR AALA20101126TUL07Relay · faultySMF - CREW REPORTED RIGHT ENGINE GENERATOR FAILED ON TAKEOFF. FLIGHT RETURNED SMF LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RELAY ASSEMBLY. SYSTEM GROUND CHECK NORMAL OPERATION.Nov 26, 2010 · N931TW · Doug DC983SDR ZZDA2010574Unknown · malfunctionedDURING EMERGENCY POWER TEST, RELAY CLOSED AND THEN FAILED TO OPEN. RESTARTED TEST (2X). EMERGENCY TEST FAIL (2X). REMOVED POWER FROM EMERGENCY AC BUS, APPLIED POWER AND PERFORMED EMERGENCY POWER TEST TWICE WITH NO DISCREPANCIES REF FIM 24-24 TASK 803.Nov 9, 2010 · N993AT · Boeing 717200SDR HALA2010102600500Housing · brokenETOPS SIGNIFICANT SYS - NR 2 IDG CHIP DETECTOR HOUSING BROKEN. REPLACED NR2 IDG CHIP DETECTOR HSG & CHIP DETECTOR.Oct 26, 2010 · N593HA · Boeing 76733ASDR CA100916003Hose · leakingDURING THE ROUTINE MX, THE AIR DRIVEN GENERATOR (ADG) WAS DEPLOYED IN ORDER TO COMPLETE A FUNCTION CHECK. AFTER THE TEST, DURING THE STOWING OF THE ADG A HYD LEAK APPEARED IN THE PRESSURE LINE (24-23-00, FIG 1, ITEM 50, PN AE1000884G0122), THIS LINE DID NOT ASep 13, 2010 · Cndair CL6002B19SDR XOHR2010FA001070Brush Block · loose() CHARGING SYS REPORTED AS INTERMITTENT. UPON TROUBLESHOOTING, FOUND BOTH F1 AND F2 POSTS WERE LOOSE ON ALTERNATOR`S BRUSH BLOCK. THE BRUSH BLOCK IS PLASTIC AND THERE IS NO LOCKING DEVICE ON THESE POSTS. ENGINE VIBRATION IS MOST LIKELY THE CAUSE OF THE NUTSep 10, 2010 · N5767T · Mooney M20KSDR IPXA10M61632Control Unit · inoperativeON DESCENT, ENCOUNTERED BUSS AC 1 OFF AND LEVEL 2 SELECT FADEC ALTERNATE. RAN FADEC CHECKLIST AND SELECTED ALTERNATE ON ALL 3 ENGINES. OTHER ALERT ON ELC SYNOPTIC WERE (AC T/E OFF, EMER PWR ON, AND GEN 1 OFF). EMERGENCY DECLARED. ON ELECT CONTROL PANEL MANUAAug 6, 2010 · N279UP · Doug MD11FSDR A6WA201040580Warning Message · activatedAFTER LANDING, AC BUSS 1 FAILED FOLLOWED BY AC AUTO TRANSFER FAIL FOLLOWED BY ALL ASSOCIATED NR 1 AC BUSS SYSTEM FAILUE MESSAGES. CHECKED ALL CONTACTORS-NO LOOSE WIRES. C/W OPS CKS OF A/C GENERATORS SYS IAW AMM 24-20-00, OPS CK GOOD.Aug 4, 2010 · N405AW · Cndair CL6002B19SDR E81RJW302972Power Supply · failedPILOT NOTED "POPPING" NOISES FROM COCKPIT PEDESTAL AREA AT POST-FLT ELECTRICAL SYS SHUTDOWN, FOLLOWED BY SMOKE FROM PEDESTAL AREA. FOUND XL500/5 STANDBY POWER SUPPLY (HBC PN 390-384027-0001) TO INTERMITTENTLY OUTPUT 16-17 VDC AT 5VDC INSTRUMENT LIGHTING OUTPUTJul 16, 2010 · N972PF · Raythn 390SDR 2010FA0000714Generator · failed( HZ3R) FOUND AC CHIP DETECTION TRIGGERED IN CDS. DURING REMOVAL OF NR 1 AC GEN. FOUND A HOLE IN AC GEN MOUNTING SURFACE CAUSING A CONTAMINATION IN OIL SYS. CAUTION DURING T/O. THE ROTOR BAND FAILED AS A RESULT OF LACK OF PENETRATION OF WELD. THE ROTOR BAJun 29, 2010SDR DL764101289Warning Message · illuminatedEICAS WARNING CAUTION MSG STARTING WITH RT AC BUSS OFF WITH BOTH GENERATORS WORKING NORMALLY AND NO FURTHER STATUS MSGS AND PROPER VOLTS AND FREQS. BITE ON BPCU FOUND NO FAULTS. DEPOWERED ACFT, RESTORED PWR. MSG CLEARED. STARTED BOTH ENGINES AT GATE MSG DIDMay 21, 2010 · N832MH · Boeing 767432ERSDR UALA2010051701673Idg · failedLEFT IDG DRIVE LIGHT NOT ILLUMINATED. ACPD FIM 24-11 TASK 807 ITEM (3) FOUND RESISTANCE CHECK BETWEEN PINS 10 AND 11 AT CONNECTOR DM24001A GREATER THAN 5 OHMS. REPLACED THE LT IDG (M24001). REPLACED NR 1 IDG. OPS GOOD.May 16, 2010 · N223UA · Boeing 777222SDR USAA20100518SB075Control Panel · faultyTPA - FLIGHT DEPARTED DCA ENROUTE TO TPA WITH MEL 24-01A APPLIED DUE TO THE NR 1 ENGINE CSD LEAKING. DURING FLIGHT, THE APU GENERATOR REPEATEDLY DROPPED THE NR 1 GENERATOR BUS. APU STATS WERE: EGT-380, VOLTS-117, FREQS-408 AND AMPS-30. THE BUS DROPPED OFF LMay 14, 2010 · N457UW · Boeing 7374B7SDR UALA2010050401505Generator · faultyAPU SHUTSDOWN. NO FAULT LIGHT. NO ABNORMAL INDICATIONS. IAW T-S REPLACED APU FLOW SENSITIVE MODULE, NO HELP. REPLACED GCU IAW AMM, NO HELP. REPLACED BPCU IAW AMM, NO HELP. RESTORED ORIGINAL UNIT. CKD GEN FEEDERS AND LUGS. ALL OK. RUN APU WITH 70 PERCENT OF LOMay 4, 2010 · N644UA · Boeing 767322SDR TRBA2010036SUPStatic Inverter · hotR & R NR2 STATIC INVERTER IAW JIC 24-21-81 RAI 10000-001.Apr 30, 2010 · N270AT · Aerosp ATR72212SDR UALA2010041901300Converter · faultyBOTH BACK-UP GEN OFF LINE. RESET AND THEY RESTORED. REPLACED BACKUP CONVERTER M24004. INSTALLED SOFTWARE AND ACCOMPLISHED ENGINE RUN. CKS OK.Apr 17, 2010 · N213UA · Boeing 777222SDR UALA2010041501269Idg · leakingFOUND OIL LEAK ON TOP SIDE OF IDG AFTER IDLE RUN OF NR 1 ENGINE. POSSIBLE IDG CHG, PART ON HAND. REPLACED NR 1 IDG IAW MM.Apr 15, 2010 · N792UA · Boeing 777222SDR HALA2010041400172Gcu · malfunctionedETOPS SIGNIFICANT SYS - ATB - L GEN OFF EICAS MSG CAME ON DURING CLIMBOUT. FOLLOWED ELEC-3 PROCEDURES IN QRF ATB. BPCU BITE: DP TRIP L ENG - GEN/FDR MAIN BUS/OVERLAP ZONE. AFTER ACFT ARRIVAL AND BITE CHK COMPLETED, OPERATED ENG AND GEN LOADED. ALL INDICATApr 14, 2010 · N584HA · Boeing 76733ASDR ASAA1057607Unknown · malfunctionedDURING TAXI IN, APU NOT RUNNING RIGHT ENGINE SHUT DOWN ELECTRIC POWER DID NOT TRANSFER FROM POWERED SIDE TO NON POWERED SIDE REPEAT WRITE UP. UNABLE TO DUPLICATE DEFECT PERFORMED GCU BITE IAW FIM 24 21 00, NO FAULTS. PRECAUTIONARY REPLACED BUS TIE BREAKER NRMar 25, 2010 · N589AS · Boeing 737890SDR ASAA1057606Unknown · malfunctionedDURING TAXI IN, SHUT DOWN NR 2 ENGINE BUS TRANSFER RELAY DID NOT TRANSFER. TRANSFER BUS OFF SOURCE OFF LIGHTS ILLUMINATED. ACCOMPLISHED GCU BITE REF FIM 24 21 00 810 801, NO FAULTS LOGGED. RAN ENGINES 1 & 2 BUS TRANSFER, OPS NORMAL.Mar 25, 2010 · N589AS · Boeing 737890SDR HALA2010030800092Inverter · malfunctionedETOPS SIGNIFICANT SYSTEM - STATUS MSG "STBY INVERTER". REPLACED STANDBY INVERTER PER AMM 24-33-03. OPS CHECK OK. MESSAGE CLEARED.Mar 8, 2010 · N581HA · Boeing 76733ASDR DL76L100027Idg · failedRTB ON TAXI OUT RT ENG GEN OFF LIGHT ILLUMINATED 1 REST NO HELP. MX PLACED RT GEN ON MCO RELEASED IAW MEL 24-00-01 REPLACED R ENG IDG NEEDS OPS AND LEAK CHECK. 605370. OPS AND LEAK CHECK IAW AMM. IDG OK FOR SERVICE MCO AND PLACARD REMOVED.Jan 5, 2010 · N182DN · Boeing 767332SDR HALA2010010400004Generator · failedETOPS SIGNIFICANT SYS - ON ENG START RT GEN FAILED. RESET RT GEN SYS. SYS OK IAW AMM 24-20-00-001 FIG 101. PERFORMED ENGINE RUN OF 5 MIN. SYS CHECK OK IAW AMM 24-16-00-825-012, AND AMM 24-11-00-175-006.Jan 4, 2010 · N591HA · Boeing 76733ASDR DL764092040Idg · failedRTB DUE TO LT IDG FAILED MIP. REMOVED AND REPLACED NR 1 IDG IAW AMM OPS AND LEAK CHECK OKC/W ETOPS PDC. CATEGORY 'E': PROBLEMS WITH SYS CRITICAL TO ETOPS.Dec 28, 2009 · N831MH · Boeing 767432ERSDR ASAA0957168Module · failedLOST APU ELECT POWER DURING NR 1 ENG START. ABORTED START. RE-ESTABLISHED POWER. REPLACED NR 1 CONT BREAKER . ACCOMP INST TEST, AND TEST FAILED WITH SAME EFFECT. CLOSED C/B BEHIND P92. REPLACED (P5 4) AC SYS GEN AND APU MODULE WITH SERVICEABLE ONE. ACCODec 25, 2009 · N579AS · Boeing 737890SDR ASAA0957167Idg · failedNR 1 IDG DRIVE LIGHT IN NOT ILLUMINATED WITH ENGINE SHUTDOWN. GROUNDED YES. REMOVED AND REPLACED NR 1 ENGINE IDG IN REF 24-11-11 PB 401. OPS CHECK NORMAL.Dec 24, 2009 · N558AS · Boeing 737890SDR DLM90092034Generator · leakingBOTH ENG GENERATORS FAILED IN FLIGHT. INSPECTED RT GEN FOUND LEAKING 514447206. REMOVED REPLACED RT ENG GENERATOR IAW AMM. INSPECTED LT GEN FOUND LEAKING 574447206. REMOVED & REPLACED LT ENGINE GENERATOR IAW AMM.Dec 24, 2009 · N915DN · Doug MD9030SDR DL76L092033Idg · inoperativeLT GEN DRIVE DISC ILLUMINATED IN FLIGHT REPLACED LT ENG IDG IAW AMM OPS CK NML LK CK GOOD. ETOPS CATEGORY 'F': ANY OTHER EVENT DETRIMENTAL TO ETOPS.Dec 24, 2009 · N190DN · Boeing 767332SDR ASAA0957159Unknown · malfunctionedAFTER LANDING AND STARTING APU NR 2 ENGINE GENERATOR TRIPPED OFF & GEN OFF BUS LIGHT ILLUMINATED. GENERATOR RESET ON FIRST ATTEMPT. OPS CHECK OF APU GEN NR 1 AND NR 2 ENG GENERATORS GOOD. BITE CHECK OF ELECTRICAL SYS SHOWS NO FAULT HISTORY ON P 5 OVERHEAD. Dec 18, 2009 · N565AS · Boeing 737890SDR DL76L091992Generator · malfunctionedLEFT GENERATOR FELL OFF LINE - RTB MX IN PROGRESS. BITE CHECKED BPCU/ FAULT LT GEN. GCU CODE 54 AP-720614. INSPECTED WIRE AST P37 PNL AND IDG. RT & LT GCU BPCU IAW AMM. RAN ENG PLACED LOAD ON GEN OPS CHK NORMAL. VOLTS FREQS OK. ACFT OK FOR SERVICE. ETODec 17, 2009 · N181DN · Boeing 767332SDR IXXA090075OGenerator · failedDURING CLIMB OUT FROM DEPARTURE NR 3 GENERATOR BUSS FAILURE, VOLTS AND FREQUENCIES AT ZERO. THE CREW ACCOMPLISHED COM PROCEDURES AND RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. MX RESET NR 3 GENERATOR BUS FAULT RESET SWITCH. OPS CHECK GOOD IAW MM 24-20-0. Dec 16, 2009 · N606AL · Doug DC873FSDR HALA2009121300581Pressure Switch · dirtyETOPS SIGNIFICANT SYS - RT GEN DRIVE. DISCONNECTED. PERFORMED FIM 24-20-00/101 FIG 101. FOUND IDG HIGH RISE TEMP, SERVICE IDG, IDG PRESS SWITCH WIRING, AND DISCONNECT TRIP MSG'S ON BPCU. INSPECTED CHIP DET AND IDG SCAVENGE FILTER. NO DEFECTS NOTED. CLEANED ADec 13, 2009 · N594HA · Boeing 767332SDR HALA2009121300577Idg · failedETOPS SIGNIFICANT SYS -ATB- ON T/O ROLL R GEN DRIVE LIGHT CAME ON - FOLLOWED CHECK LIST DISC GEN REMOVED AND REPLACED RT IDG IAW AMM 24-11-01 OPS AND LEAK CHECK GOOD.Dec 13, 2009 · N594HA · Boeing 767332SDR UALA2009120703789Control Unit · faultyBOTH UTILITY BUSSES SHED WITH APU RUNNING ALL HYD PUMPS OFF. REPLACED BPCU AND APU GCU. SYS OPS CKS NORMAL DURING PWR TRANSFER.Dec 6, 2009 · N676UA · Boeing 767322SDR HALA2009120600568Generator · failedETOPS SIGNIFICANT SYS - ON ENG START RT GEN FAILED. PERFORMED FIM 24-20-00/101. NO FAULTS ON BPCU BITE. RAN ENG UNDER LOAD, NO FAULTS NOTED. RT GEN OK FOR SERVICE.Dec 6, 2009 · N584HA · Boeing 7673G5SDR DLM88091934Gcu · faultedRT ENG GEN FAULT ON T/O ROLL AT 40KIAS. REPLACED RT GCU IAW MM. RAN RT ENG WITH GEN LOADED SEVERAL TIMES. OPS CK NML. VOLTS AND FREQS NML. MCO/PLAC RMVD.Dec 4, 2009 · N931DL · Doug MD88SDR DL76G091683Idg · failedLT GEN FAILED AFTER 1 HR TAXI RESET UNSUCCESSFUL, RTB. REMOVED AND REPLACED LT IDG IAW AMM. ETOPS CATEGORY 'E': PROBLEMS WITH SYS CRITICAL TO ETOPS.Oct 24, 2009 · N1605 · Boeing 767332SDR SIMA200925201SUPStatic Inverter · odorON FLIGHT 4439, DURING CRUISE THE CREW REPORTED THAT A 115 VAC BUS VOLT WENT OFF. THE CREW RESET PER AMO PROCEDURES AND THE EICAS MESSAGE WAS EXTINGUISHED. THE CREW DETECTED AN ELECTRICAL BURNING ODOR. THE AC POWER WAS TURNED OFF AND THE CREW REPORTED THAT Oct 22, 2009 · N922AE · Emb EMB145LRSDR HALA2009101800469Gcu · unknownETOPS SIGNIFICANT SYSTEM - UPON TOP OF DESCENT "R GEN OFF" EICAS, TRIED RESET,STILL OFF.//PER WDM 24-21-21 FOUND RT IDG D10966 PIN 10 WIRE CHAFED BEHIND BACKSHELL. 10-19-09 5743. REPAIRED CONNECTOR D10966 PIN 10 WIRE PER BOEING SWPM 20-10-13. ITEM TROUBLESHOT Oct 18, 2009 · N590HA · Boeing 7673CBSDR ASAA0956823Indicator · false indicationAC METERS INDICATES 15 AMPS FLOW ON APU GEN WITH APU SHUT DOWN. DC METERS SHOWS 2 VOLTS ON GND PWR WITH NO GND POWER CONNECTED. ACFT GROUNDED. MANUFACTURER RESPONSE IS AS FOLLOWS: "WHEN THERE IS NO EXTERNAL POWER CONNECTED TO ACFT & APU IS NOT OPERATING, Oct 17, 2009 · N579AS · Boeing 737890SDR UALA2009101903257Idg · failedELEC GEN DRIVE R RIGHT IDG FAULT (LOW INTERNAL OIL PRESSURE). ADVISORY FOUND RT IDG OVERFILLED. SERVICED CORRECTLY. RECONNECTED IDG. RAN ENGINE. IDG INOP. REPLACED RIGHT IDG. SECURED ALL ELECTRICAL OIL CONNECTIONS AND SAFTIED QUAD RING AND OPS CKED. OP COct 16, 2009 · N772UA · Boeing 777222SDR A6WA200940682Idg · malfunctionedABORTED TAKEOFF AT 60 KNOTS DUE TO IDG NR 1 CAS MESSAGE. UPON CLEARING RUNWAY. GEN NR 1 OFFLINE. BRAKE TEMP 3,3,3,4. SERVICED IDG IAW AMM 12-13-24-610-801 AND OPS TEST GOOD.Oct 15, 2009 · N461AW · Cndair CL6002B19
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