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"

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 KBMA88749Lead · brokenFOUND BROKEN LEAD. REPLACED TERMINAL AS REQUIRED.May 10, 2001 · N115SH · Snias AS350B2SDR CA010522013Connector · leaking(CAN) THE FLIGHT CREW REPORTED ILLUMINATION OF THE NR 2 A/C. GENERATOR LIGHT ON TAKEOFF. AN UNSCHEDULED LANDING WAS ACCOMPLISHED AND THE GENERATOR WAS REPLACED. OIL WAS FOUND IN THE MAIN ELECTRICAL CONNECTOR OF THE UNSERVICEABLE GENERATOR. THIS UNIT HAD BEENMay 6, 2001 · Dhav DHC8102SDR CA010522007Csd · unreliable(CAN) AT FL 230, NR 1 CONSTANT SPEED DRIVE LOW OIL PRESSURE LIGHT ILLUMINATED. FLIGHT ELECTED TO RETURN DUE APU ELECTRICS WERE UNRELIABLE. REPLACED NR 1 CSD AS PER WORK CARD 1182-1. APU AND NR 1 CSD CHECKED SERVICEABLE DURING GROUND RUN.May 1, 2001 · Boeing 7372T5SDR SIMA20011065Relay · failedMIA - FLT 5251 - DURING TAKEOFF, THE NR 1 ACW ALTERNATOR FAULTED. AIRCRAFT WAS RETURNED TO MIA WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED RELAY 35GB AND AIRCRAFT WAS RETURNED TO SERVICE. (M)Apr 16, 2001 · N125MQ · Aerosp ATR42300SDR DL76L010590Generator · failedRT GENERATOR OFF LIGHT AND EICAS MESSAGE CAME ON AFTER T/O. STARTED APU AND GOT A GOOD ELEC FROM THE GENERATOR. REPLACED RT GEN PER M/M. OPS CHECK NORMAL.Apr 10, 2001 · N175DN · Boeing 767332SDR SIMA0955Sensor · inoperativeDFW - FLT 3565 - CREW REPORTED THE NR 1 DC GENERATOR FAULTED AFTER TAKEOFF. SYSTEM WOULD NOT RESET PER AOM PROCEDURES. MAINTENANCE REMOVED AND REPLACED THE HALL EFFECT SENSOR IN THE RIGHT NACELLE. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (MApr 5, 2001 · N533AT · Aerosp ATR72212SDR 2001UALA00380Generator · failedNR 2 GENERATOR DROPPED OFF LINE. DRAINED THE CSD OIL TO PROPER LEVEL, AND CHECKED THE MAGNETIC OIL PLUG / FOUND CLEAN OF DEBRIS. FUNCTIONAL TEST ACCOMPLISHED. AIRCARFT RETURNED TO SERVICE.Mar 31, 2001 · N993UA · Boeing 737291SDR ABXA010111Control Panel · failedIN CRUISE, THE AIRCRAFT EXPERIENCED A RIGHT GENERATOR FAILURE WITH A CROSS TIE LOCKOUT. THE GENERATOR WAS RESET AND IT FAILED AGAIN. THE CREW DECLARED AN EMERGENCY. MAINTENANCE INSPECTED AND DEFERRED THE RIGHT A/C GENERATOR IAW DC-9 MEL. ON 03/31/01 MAINTENMar 30, 2001 · N959AX · Doug DC941SDR USAASB01084Harness · failedBOS - FLT 2993 - ON CLIMB-OUT FROM BOS, EN ROUTE TO FLL, THE NR 1 GENERATOR BUS OFF LIGHT ILLUMINATED. CREW TRIED TO RESET GENERATOR WITH NO HELP. THE APU WAS ALREADY ON MEL SO THE FLIGHT RETURNED TO FIELD AT BOS AND LANDED WITHOUT FURTHR INCIDENT. NO EMERGMar 22, 2001 · N244US · Boeing 737201SDR DL757010418Inverter · odorON INITIAL DESCENT STBY INVERTER STATUS MESSAGE APPEARED FOLLOWED BY FAINT ODOR THROUGHOUT CABIN. C/A REPLACED STATIC INVERTERMar 13, 2001 · N6704Z · Boeing 757232SDR 20010419CW007Rotor · shortedMAIN STATOR WINDINGS ON ROTOR ASSEMBLY SHORTED OUT AFTER 41.8 FLIGHT HOURS, SINCE OVERHAUL. THIS WAS A NEWLY MODIFIED ROTOR. THIS IS A POORLY DESIGNED ROTOR, PREVIOUS PN WAS P603744A, WHICH ALSO HAD A PROBLEM AND CAME APART WHILE IN OPERATION.Mar 6, 2001 · Aerosp ATR72202SDR UPS01435192Connector · disconnectedINSPECTION TYPE:N/A DURING CLIMB TO FL300 NR 1 GEN TRIPPED NR 1 FIELD TRIPPED.CSD NR 1 ENG ABOVE REDLINE/180C IND. RAN CKLIST & DISCONNECTED CSD ATTEMPTED. CSD DISCONNECT NOT EFFECTIVE. CSD RPM0 & CSD PMG BETWEEN 75 AND 100. NR 1 ENG PRECAUTIONARY SHUTDOWNMar 5, 2001 · N674UP · Boeing 747123SDR UPS01835142Panel · failedINSPECTION TYPE:N/A, RTR-NR 4 GEN PWR FAIL ILLUM, LWR CGO FIRE LIGHT ILLUM ALL PANEL LIGHTS WENT OUT, SMOKE OF UNKNOWN ORIGIN FILLED COCKPIT AND CABIN. SHUTDOWN 1, 2 AND 4 ENGINES. *S/D* T/S AND FOUND NR 4 VRG FAILED PREVENTING NR 1 BTR CLOSURE. REMOVED ANMar 2, 2001 · N798UP · Doug DC871FSDR EISA20010027Panel · faultyON CLIMBOUT NR 1 GENERATOR TRIPPED VOLTS AND FREQS WERE 0 AFTER RESETTING FR. DISCONNECTED CSD PER ABNORMALS, AIR TURNBACK TO (CLT). REMOVED AND REPLACED NR 1 BUS PROTECTION PANEL, OPS CHECK OK PER M/M 24-20-01.Feb 20, 2001 · N354PA · Boeing 727225SDR DLM88010288Generator · failedAT CRUISE ALT RT GEN FAILED WITH AN AC CROSSTIE LOCKOUT. RT GEN WAS RESTORED AND FLT CONTINUED WITH GENS ISOL. NO FURTHER EVENTS. APU INOP ON PREV MCO/PLAC. CKD CSD SVC, CKS GOOD. FOUND GEN FAULT ON GCU. REPLACED SAME AND RAN ENGS. GENS AND AC CROSSTIE Feb 18, 2001 · N973DL · Doug MD88SDR CA010305007Wire · burned(CAN) WIRE FOUND BURNED ON ROUTINE INSPECTION.Feb 15, 2001 · Pilats PC1245SDR DL757010253Idg · making metalRIGHT GEN DRIVE LIGHT CAME ON DURING CLIMB. DISCONNECTED RIGHT DRIVE PER POM. FOUND METAL ON CHIP DETECTOR REPLACED IDG PER MM.Feb 11, 2001 · N640DL · Boeing 757232SDR MALA010179Generator · defectiveLT AC GENERATOR AND INTAKE LIGHT ON IN FLIGHT, EVERYTHING BUT INTAKE TRANSFERED. MAINTENANCE FOUND LT AC GEN CONTROL UNIT CONNECTOR CONTAMINATED, CLEANED CONNECTOR, REPLACED LT AC GEN CONTROL UNIT (P/N 51634-002), SN/OFF 98029, SN/ON 97059. IAW SF340 AMM 24-Feb 8, 2001 · N450XJ · Saab 340BSDR DL757010219Wire · burnedIMMEDIATELY AT LIFTOFF THE CENTER IRU FAILED, ALSO THE LT AFT RT FWD AND LT OVRD PUMP C/BS POPPED. THE FWD EQUIP COOLING FAN AND SUPPLY FAN 1 C/BS ALSO POPPED. MAINTENANCE REPLACED THE LT IDG AND GCU. ADDITIONAL INVESTIGATION FOUND BURNT WIRING AT THE P31 PFeb 5, 2001 · N6711M · Boeing 757232SDR DL76G010204Idg · failedRIGHT GEN DRIVE LIGHT FLICKERED TWICE, 30 MIN LATER LIGHT ON STEADY. IAW POM, DISCONNECTED RT GEN DRIVE. APU STARTED AT FL310. REMOVED AND REPLACED RT IDG. RUNUP AND OPS CHECK OK.Feb 5, 2001 · N156DL · Boeing 7673P6SDR TWAA0102005Generator · malfunctionedAT FL 330 CAPT INSTRUMENTS WENT DEAD AND FLT GUIDANCE CONTROL PANEL FROZE. LT AND RT GEN VOLTS AND FREQS NORMAL. MADE UNSCHEDULED LANDING AT TPA. AFTER LANDING NOTICED LT CSD TEMP WAS LOW. TURNED OFF LT GEN AND INDICATIONS RETURNED TO NORMAL. REPLACED THEJan 31, 2001 · N919TW · Doug DC982SDR USAASB01008Transformer · failedCLT - FLT 9265 - A/C PREPARING FOR FERRY FLT WHEN ELECT PROBLEMS OCCURED. ACARS WENT INTO BITE TEST BEFORE TAKING RUNWAY. AUTO THROTTLE WENT INOP. AT FL180, NR 1 GEN DROPPED OFF LINE, WOULD NOT RESET. CAPT COULDN''T COMMUNICATE W/DISPATCH DUE TO ACARS PROBJan 17, 2001 · N277AU · Boeing 7372B7SDR DHL2001741002Gcu · failedNR 1 ENGINE GEN WOULD NOT COME ON LINE, NR 6B FAILS TO CLOSE. SWAPPED NR 1 AND APU GCU''S RAN ENG, SYS OPS GOOD PER M/M 24-20.Jan 17, 2001 · N741DH · Boeing 7272Q9SDR VNAA0101012Control Unit · failedTHE CREW RECEIVED A RIGHT HAND ALTERNATOR FAIL CAS MESSAGE AND ABORTED TAKEOFF. MAINTENANCE INSPECTED AND REPLACED THE ALTERNATOR CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEJan 16, 2001 · N433JS · Dorner DO328100SDR DL764010080Gcu · failedATB DUE TO ELECTRICAL PWR FAIL IN FLT WITH THE FOLLOWING C/B POPPED ON P-6 PANEL-DC STBY-BAT BUS DIST-L GEN CONT UNIT-RAT MANUAL AND THE ASSOCIATED ALERTS. BPCU BITE FAULTED LT GCU CODE 24-30101 PER FIM. REPLACED LT GCU, GROUND TEST OK PER FIM USING WDM ISOLJan 16, 2001 · N831MH · Boeing 767432ERSDR DLM11010068Circuit Breaker · failedBUS AC AND DC GROUND OFF LEVEL ONE ALERT. WITH MTC APPR RESET POPPED C/B C-14 UPPER MAINT PANEL POPPED AGAIN IN 4 MINUTES. DIVERTED TO PDX. REPLACED RCCB B1-1347 AGSTR CONTROL EPCU BITE THRU CFDS NO FAULTS R-T-S- NML.Jan 14, 2001 · N803DE · Doug MD11SDR TWAA0100904Relay · odorAFTER TAKEOFF SEVERAL CIRCUIT BREAKERS POPPED ON THE RT AC BUS, INCLUDING THE RECIRCULATION FAN AND SEVERAL FUEL BOOST PUMPS. THERE WAS ALSO AN ODOR. FLIGHT RETURNED TO STL. NOTHING WAS FOUND AFTER MANY ELECTRICAL CHECKS. REPLACED THE RT GEN POWER RELAY. Jan 12, 2001 · N9303K · Doug DC983SDR QXEA0100008Inverter · malfunctionedPDX- STRONG FISH SMELL EMINATING FROM LEFT SIDE BY AVIONICS RACK. REMOVED AND REPLACED PRIMARY INVERTER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Jan 5, 2001 · N815PH · Dhav DHC8102SDR SIMA200036203Generator · failedLFT - FLT 3282 - DURNG FILGHT, AIRCRAFT LOST THE RIGHT AC GEN AND INTAKE HEAT. AIRCRAFT RETURNED TO LFT. REPLACED RIGHT AC GENERATOR IAW SAAB 340B AMM 24-21-05. PERFORMED OPS CHECK IAW SF340B AMM 24-20-00. OPS CHECK GOOD. (M)Dec 27, 2000 · N338AE · Saab 340BSDR 20010122CW012Circuit Breaker · shortedMRR / DTW. SMOKE IN COCKPIT, LANDING IN DETROIT. FOUND COPILOTS CIRCUIT BREAKERS ILLUMINATED, PANEL SHORTED AND BURNED. REMOVED AND REPLACED PANEL. OPS CKS GOOD.Dec 6, 2000 · N3587P · Piper PA31350SDR C1HA200096006Control Panel · malfunctionedON TAXI OUT WITH NR 2 GEN. ON MEL, UNDER EXCITED SYSTEM 3 LIGHT ILLUMINATED & COULD NOT RESET. CLEARED MEL ON NR 2 GEN BY CHANGING GEN. FREQUENCY CONTROL PANEL. PLACED NR 3 SYSTEM ON MEL LATER CLEARED NR 3 MEL BY REPLACING GENERATOR CONTROL PANEL.Dec 6, 2000 · N696CA · Boeing 7272J4SDR 00FDEA00865Epcu · faulty00-347 ON DEPART HAD MOMENTARY TOTAL ELECTRICAL PWR FAILURE. R&R EPCU PER MM 24-08-01-4, 24-20-17.Dec 6, 2000 · N605FE · Doug MD11FSDR DLM88002268Panel · failedEN ROUTE CVG, LEFT AC BUS OFF, DC BUS OFF, EMER AC BUS OFF, AC CROSSTIE LOCKOUT LIGHTS ILLUMINATED, REF POM PROCEDURE: EMER POWER ON, RECOVERED EMER AC BUS. DIVERTED KIAH, EMERGENCY DECLARED. REMOVED AND REPLACED THE APU GCU WHICH HAD A DIST SYS FAULT. RAN Nov 20, 2000 · N912DL · Doug MD88SDR DL733002248Generator · failedFLT1799/16 SLC-COS. DURING DESCENT FROM FL370 RT GEN DROPPED OFFLINE, 10 SEC LATER LT GEN DROPPED OFFLINE. UNABLE TO RESET GENERATORS PER POM. DID NOT START APU. CONCLUDED DESCENT AND APPROACH. REPLACED NR 1 GCU PER MM. MCO''D NR 2 GENERATOR PER MEL 24-0Nov 17, 2000 · N306WA · Boeing 737347SDR USAAD00172Transformer · failedMCO-PHL - FLT 1484 - DURING CRUISE, THERE WAS AN AC CROSS-TIE LOCKOUT AND A LEFT GENERATOR FEEDER FAULT. THE APU GENERATOR WAS BROUGHT ON LINE BUT FAILED AFTER 10 MINUTES AT 33,000 FT. THE AIRCRAFT DIVERTED TO CLT. DURING THE DIVERSION THE APU RESTARTED AT Nov 6, 2000 · N803US · Doug DC981SDR COMA0060891Idg · lowRT IDG CAUTION MESSAGE. SERVICED IDG WITH OIL TO PROPER LEVEL.Nov 6, 2000 · N948CA · Cndair CL6002B19SDR AALA20001840Generator · defectiveMIA - FLT 207 - EN ROUTE MIA-LAX - DURING CLIMB-OUT, LEFT SIDE GENERATOR FAILED AND FLIGHT ATTENDANT REPORTED DETECTED ELECTRICAL BURNING SMELL IN CABIN. RETURNED MIA AND LANDED OVERWEIGHT. REPLACED TERMINAL STUD AT GENERATOR. REPLACED GENERATOR. ACCOMPLISNov 3, 2000 · N685AA · Boeing 757223SDR IXXA0000037Panel · defectiveEN ROUTE FROM LRD TO BRO, DURING DESCENT LOST OF ALL GENERATOR ELECTRICAL POWER WAS EXPERIENCED. THE FLT CREW FOLLOWED COMPANY PROCEDURES AND ALL ELECTRICAL POWER WAS RESTORED. ALL GENERATOR OPERATING PARAMETERS WERE NORMAL. SEVERAL MINUTES LATER ELECTRICALOct 28, 2000 · N870BX · Doug DC863FSDR QXEA0002892Inverter · malfunctionedBOI- DURING CLIMBOUT, SMELL OF BURNING ELECTRICAL WIRES. REPLACED PRIMARY INVERTER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Oct 25, 2000 · N362PH · Dhav DHC8202SDR JBXA000212Housing · damagedNR 2 ENGINE N2 GAUGE FLUCTUATES. UPON FURTHER INSPECTION FOUND N2 GENERATOR SHAFT NICKED AND FOUND N2 GENERATOR HOUSING AND STATOR DAMAGED. REMOVED AND REPLACED NR 2 ENGINE WITH SERVICABLE PART IAW CRJ AMM 71-00-00 AND ENGINE CHANGE PACKAGE. PERFORMED ENGINOct 24, 2000 · N572ML · Cndair CL6002B19SDR AU001029Generator · faulty(AUS) NR 1 GENERATOR WENT OFF LINE. GENERATOR CONTROL UNIT AND LINE CONTACTOR CHANGED AND WIRING INSPECTED WITH NIL FAULTS FOUND. INVESTIGATION CONTINUING.Oct 23, 2000 · Bag BAE146100ASDR COMA0060838Generator · failedCOPILOTS MFD WENT BLANK, YAW DAMPNER 2 STATUS MESSAGE AND GEN 2 CAUTION. DEFERRED MAINTENANCE ON NR 2 GENERATOR PER MEL.Oct 19, 2000 · N938CA · Cndair CL6002B19SDR AALA20001731Generator · defectiveDFW - FLT 1758 - EN ROUTE AUS-ORD, RIGHT SIDE GENERATOR FAILED. DIVERTED DFW AND LANDED WITHOUT INCIDENT. REPLACED RIGHT SIDE AIRCRAFT GENERATOR. REPLACED AIRCRAFT GENERATOR CONTROL UNIT. SYSTM GROUND CHECKED NORMAL OPERATION. (M)Oct 18, 2000 · N7512A · Doug DC982SDR AU001065Connector · damaged(AUS) NR 1 GENERATOR HARNESS CONNECTOR D5124J AND WIRES W142-001-6,W142-002-6 AND W142-003-6 LOCATED AT WING DISCONNECT BURNT ANDDAMAGED DUE TO ARCING. SUSPECT CAUSED BY LOOSE CONTACTS DUE TOFAULTY MANUFACTURE AND POOR RELIABILITY OF CONNECTORS.Oct 16, 2000 · Boeing 737377SDR QXEA0002879Inverter · malfunctionedBOI- SECONDARY INVERTER CAUTION LIGHT ILLUMINATED ALONG WITH BURNING SMELL. REPLACED SECONDARY INVERTER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Oct 16, 2000 · N352PH · Dhav DHC8202SDR 20001205SH021Generator · faultyAIRCRAFT LANDED BACK IN SDF DUE TO LT AND RT GENERATOR CIRCUIT BREAKERS TRIP AND NEITHER GENERATOR CAN BE BROUGHT ON-LINE FOR MORE THAN A FEW SECONDS. CORRECTIVE ACTION BEING DONE. (X)Oct 14, 2000 · N615GA · Swrngn SA226ATSDR CA001106002Bracket · failed(CAN) IN-FLIGHT FAILURE OF REAR HALF OF BRACKET CAUSING ALTERNATOR FORWARD MOUNT TO BREAK. PILOT NOTICED BURNING SMELL IN COCKPIT FROM ALTERNATOR BELT AND UPON LANDING, INVESTIGATED AND FOUND ALTERNATOR HANGING ONLY BY THE WIRES AND SUPPORT OF 1 SCAT HOSE. (Oct 12, 2000 · Bbavia 8GCBCSDR DLM88001944Gcu · failedRIGHT GENERATOR OFF MESSAGE (NO VOLTS AND FREQS). REPLACED RIGHT GENERATOR CONTROL UNIT.Oct 5, 2000 · N918DL · Doug MD88SDR AALA20001683Switch · defectiveORD - DURING OVERNIGHT MAINTENANCE, EMERGENCY AC BUS LIGHT INOPERATIVE. REPLACED EMERGENCY AC BUS LIGHT SWITCH. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)Oct 4, 2000 · N7518A · Doug DC982SDR 2000UALA00543Csd · failedNR 2 GENERATOR HAD LOW OIL PRESSURE AND WAS DISCONNECTED IN FLIGHT. *S/D* THE CONSTANT SPEED DRIVE AND FILTER WERE REPLACED AND BACKFLUSHED. THE OIL COOLER WAS ALSO REPLACED AS A PRECAUTION.Sep 12, 2000 · N328UA · Boeing 737322
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