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 MALA000553Power Unit · failedGPU DROPPED VOLTAGE TO 15 VOLTS DURING START OF RT ENGINE. MOTORED RIGHT ENGINE FOR APPROXIMATELY 15 SECONDS AND DIGITAL AND ANALOGUE ITT WERE NOT INDICATING TO TEMPERATURE. RELEASED STARTER, AND SAW DIGITAL ITT INDICATED OF 950 FOR 1-2 SECONDS, CONTINUED TOSep 6, 2000 · N99XJ · Saab SF340ASDR USAASB00244Harness · faultyPIT - FLT 856 - AFTER TAKEOFF, THE NR 1 ENGINE GENERATOR DROPPED OFF LINE. CAPTAIN STARTED THE APU AND THE APU GENERATOR DROPPED OFF LINE. FLIGHT RETURNED TO FIELD AT PIT AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. CAPTAIN REPORTED LOSISep 4, 2000 · N559AU · Boeing 737301SDR DHL2000363001Gcu · malfunctionedAPU GEN FAILED IN FLT, VOLTS AND FREQS 0. REPLACED APU CG GCU, OPS CHKS NORMAL PER M/M 24-21-00.Aug 30, 2000 · N363DH · Airbus A300B4203SDR AALA20001436Generator · failedON DESCENT, LEFT GENERATOR FAILED, WOULD NOT RESET. OK TO CONTINUE PER MEL 24-3 AUTH 8-84DC-C. LEFT IDG UNUSABLE. CHECK AND SERVICED APU OIL, LEFT AND RIGHT IDG, COMPLIED WITH MPM 24-3. IDG DISCONNECTED. 120 MINUTE RULE APPLIES. DEFERRED DUE N/S REQS GENAug 24, 2000 · N776AN · Boeing 777223SDR AALA20001424Generator · failedLHR - FLT 87 - ON DESCENT, LEFT GENERATOR FAILED, WOULD NOT RESET. OK TO CONTINUE PER MEL 24-3 AUTH 8-84DC-C. LEFT IDG UNUSABLE. CHECKED AND SERVICED APU OIL, LEFT AND RIGHT IDG, COMPLIED WITH MPM 24-3. IDG DISCONNECTED. 120 MINUTES RULE APPLIES. DEFERREAug 24, 2000 · N776AN · Boeing 777223SDR CA000918006Wire · damaged(CAN) STALL INDICATION FAILURE LIGHT ON TRAINING FLIGHT, AIRCRAFT RETURNED TO BASE. FOUND LT GENERATOR TRIPPED, ATTEMPTED RESET, NIL FIX, FOUND DAMAGED WIRING.REPLACED WIRE X4A2N, SYSTEM CHECK SERVICEABLE.Aug 17, 2000 · Doug DC932SDR 2000UALA00481Generator · failedEN ROUTE SFO-FRA, CREW RECEIVED ADVISORY: BACKUP ELECTRICAL SYSTEM FAILURE. RETURNED TO SFO. *S/D* BOTH BACKUP GENERATORS FAILED. ORIGINAL GRIPES INDICATED INTERNAL ELECTRICAL FAULTS TO THE BACKUP GENERATORS. THEN, THE RIGHT BACKUP GENERATOR INDICATED A Aug 12, 2000 · N206UA · Boeing 777222SDR 00FDEA00533Generator · failedAFT T/O AT APPROX 500 FT ADG DEPLOYED. RETURNED TO HKG. NORMAL LANDING. ADJUSTED AIR DRIVEN GENERATOR, ADG DEPLOY AND STOW OK.Aug 9, 2000 · N616FE · Doug MD11FSDR 00FDEA00537Generator · deployedUPON ARRIVAL FOUND ADG DEPLOYED. STOWED THE AIR DRIVEN GENERATOR AS PER MM 24-25-01-2. ACFT OK FOR SERVICE.Aug 8, 2000 · N616FE · Doug MD11FSDR 2000UALA00463Csd · failedON TAKEOFF (90 KTS) NR 2 GEN LIGHTS FLASHED AND AC BUS TRIPPED OFF. *S/D* REPLACED NR 2 CSD. OPS AND LEAK CHECKED OK. SHOP FINDINGS - NO DESCREPANCY FOUND; REPLACED HYDRAULIC LOG ASSEMBLY, SEALS AND FILTER ELEMENT, PER UAL SPECIFICATIONS.Aug 6, 2000 · N1835U · Doug DC1010SDR 2000UALA00359Csd · failedNR 1 CONSTANT SPEED DRIVE FAILURE. *S/D* REPLACED NR 1 CONSTANT SPEED DRIVE.Aug 5, 2000 · N936UA · Boeing 737522SDR DL73K001486Generator · inoperativeLT ENGINE GENERATOR FAILED DURING TAKEOFF ROLL AT APPROX 80 KTS. CHECKED NR 1 CSD OIL LEVEL AND FILTER BYPASS, CKS GOOD. REPLACED GCU, RAN ENG FOUND GEN FOLLOWING THROTTLE. REPLACED GENERATOR AND CSD.Aug 4, 2000 · N310DA · Boeing 737232SDR C8GA200000008Circuit Breaker · trippedFLIGHT BX719 FROM MCO TO TOL. DURING CLIMBOUT, NR 2 BUSS TIE LIGHT ILLUMINATED. 15 SECONDS LATER NR 2 GENERATOR AND FIELD TRIPPED, YAW DAMP LIGHT ILLUMINATED, AND CAPT''S AND F/O LOST ALL INSTRUMENTS. CLOSED BUSS TIE AND CAPT''S INSTRUMENT POWER RETURNED EXCJul 28, 2000 · N84357 · Boeing 727231SDR 2000UALA00427Generator · failedLOSS OF AUXILIARY POWER UNIT GENERATOR. *S/D* LINE MAINTENANCE PERFORMED AN OIL SERVICE TO THE AUXILIARY POWER UNIT FOLLOWED BY AN OPERATIONAL CHECK WHICH WAS SATISFACTORY.Jul 13, 2000 · N501UA · Boeing 757222SDR 2000UALA00426Csd · failedAFTER TAKEOFF, NR 3 GENERATOR FREQUENCY WENT TO 420 AND BUS 1 AND 2 TRIPPED WITH OVEREXCITE INDICATION. DECLARED AMBER ALERT AND RETURNED TO TUL. *S/D* REPLACED NR 3 GENERATOR AND CSD. GENERATOR SYSTEM OPERATIONAL CHECK NORMAL. GENERATOR P/N MR24214 (976JJul 13, 2000 · N7465U · Boeing 727222SDR CA000718006Circuit Breaker · failed(CAN) NEARING TOP OF CLIMB, CIRCUIT BREAKERS BEGAN TO TRIP. FUEL PUMP CIRCUIT BREAKERS FOR LEFT SIDE, TCAS, STALL WARNING, EQUIPMENT COOLING, WINDOW ANTI-ICE, RADIO ALTIMETER. RETURNED TO YUL, NO EMERGENCY DECLARED, LANDED WITHOUT INCIDENT. REPLACED NR 1 GENERJul 9, 2000 · Boeing 737275SDR CA000802004Gcu · failed(CAN) AIRCRAFT ELECTRICAL, AC BUS 1-2 AT FAULT IN CRUISE. FOUND NR 2 GCU C/B POPPED. STRONG ELECTRICAL SMELL FROM UNIT. REPLACED NR 2 GCU, AIRCRAFT FOUND SERVICEABLE.Jul 8, 2000 · Airbus A340313SDR MALA000381Gcu · failedRIGHT AC GEN LIGHT ON TRIED PL TO FLIGHT IDLE/ORH. MAINTENANCE REMOVED AND REPLACED RIGHT AC GEN, AND CLEANED CORROSION FROM GCU CANNON PLUG AND ALL CHECKS GOOD AT THIS TIME.Jul 4, 2000 · N436XJ · Saab 340BSDR C2XA00BT042Inverter · failedEWR - FLT 3376 - CREW REPORTED ELECTRICAL SMOKE WARNING ON SHORT FINAL. MAINTENANCE TROUBLESHOT AND FOUND BAD NR 2 INVERTER. REMOVED AND REPLACED NR 2 INVERTER. OPS CHECKED SYSTEM GOOD. (M)Jul 3, 2000 · N69902 · Aerosp ATR72212SDR CA000718005Control Panel · failed(CAN) FLIGHT EXPERIENCED ELECTRICAL PROBLEMS AFTER ARRIVAL. GROUND POWER WOULD NOT STAY CONNECTED. APU WAS RUN TO SUPPLY ELECTRICS AND AIR. AFTER ENGINES STARTED, APU GENERATOR TRIPPED OFF. ENGINE GENERATORS SELECTED ON. THE APU WAS SELECTED OFF. DURING TAKEOFJun 30, 2000 · Boeing 737217SDR TWAA0010301Csd · overtempTHE LT CSD TEMP WAS HIGH ON CLIMBOUT. DISCONNECTED CSD. CREW WAS UNABLE TO START THE APU SO MADE AN UNSCHEDULED LANDING AT DFW. CORRECTIONS TO THE CSD WERE DEFERRED PER MEL. RESET APU CIRCUIT BREAKERS AND APU STARTED AND OPERATED NORMALLY. CHECK-C 2-5-00 JJun 28, 2000 · N931TW · Doug DC983SDR USAASB00178Csd · failedATL - FLT 2999 - ON CLIMB-OUT FROM TPA, THE NR 1 ENGINE CONSTANT SPEED DRIVE HIGH OIL TEMPERATURE LIGHT ILLUMINATED. CREW COMPLIED WITH QUICK REFERENCE HANDBOOK PROCEDURES, DISCONNECTED THE NR 1 ENGINE CSD AND STARTED THE APU. AFTER 20 MINUTES OF RUNNING THEJun 24, 2000 · N266AU · Boeing 7372B7SDR 20001011AP013Connector · shortedMIA - FLT TA831 - DURING FLIGHT, AFTER START OF THE ENGINE NR 1 THERE WAS A MOMENTARILY LOSS OF ELECTRICAL POWER THEN AFTER TAKEOFF, PITCH TRIM NR 1 DROPPED OFF. AFTER FIVE MINUTES OF FLIGHT AUTOPILOT NR 1 WAS LOST THEN AUTOPILOT NR 2 WAS ENGAGED AND WAS LOSTJun 23, 2000 · N59106 · Airbus A300B4203SDR TWAA0010001Csd · failedIN CLIMB, THE RT CSD WENT ABOVE RED LINE AFTER 20 MINUTES OF FLIGHT. CREW DISCONNECTED THE CSD. THE APU WAS STARTED BUT IN CRUISE AT FL350 THE APU SHUT ITSELF DOWN. RESTARTED APU AT FL280. FLIGHT RETURNED TO LAS. THE APU OIL WAS SERVICED. CORRECTIONS TO Jun 23, 2000 · N941AS · Doug DC982SDR USAASB00176Csd · failedCRW - FLT 2704 - EN ROUTE FROM BWI TO CLE, THE NR 1 ENGINE CONSTANT SPEED DRIVE LOW OIL PRESSURE LIGHT ILLUMINATED. CREW DISCONNECTED CSD AND THEN THE APU QUIT. WITH ONLY ONE POWER SOURCE REMAINING, THE FLIGHT DIVERTED TO CRW. FLIGHT LANDED WITHOUT FURTHER Jun 21, 2000 · N259AU · Boeing 737201SDR CA000706001Gcu · failed(CAN) NR 2 ENGINE GENERATOR SYSTEM FAILED, UNABLE TO ESTABLISH APU ON AIRCRAFT BUSS. AIRCRAFT DIVERTED TO YHZ. NR 2 GENERATOR CONTROL PANEL REPLACED AS PER WORK CARD, SYSTEM CHECKED SERVICEABLE. APU GENERATOR OPERATIONS CHECKED NORMAL WHEN FUNCTIONED GROUND ANJun 20, 2000 · Boeing 737217SDR TWAA0009803Generator · trippedAT 27,000 FEET BOTH ENGINE GENERATORS TRIPPED OFF. BOTH GENERATORS RESET AFTER ONE MINUTE. NO CHECK-C.Jun 20, 2000 · N403TW · Boeing 717200SDR CA000621005Oil Cooler · failed(CAN) A/C 759, , FLT 195, NR 2 CSD DISCONNECTED DUE LOW OIL PRESSURE LIGHT CAME ON. REPLACED NR 2 CSD OIL COOLER DUE COOLER BLOCKED BY PIECES OF FAN DIFUSER DUCT LINING, THAT HAD BROKEN UP. REPLACED NR 2 ENGINE AS PER WORK CARD 1125-2,Jun 17, 2000 · Boeing 737275SDR AALA20001061Inverter · malfunctionedORD - FLT 87 - ELECT BACKUP GEN L EICAS MESSAGE WOULD NOT RESET. REPLACED BACKUP GENERATOR CONVERTER PER MM 24-25-09-4. OPS TEST NORMAL. (M)Jun 16, 2000 · N788AN · Boeing 777223SDR USAASB00159Gcu · failedBOS - FLT 6535 - ON CLIMB-OUT FROM BOS, AT APPROXIMATELY 3,500 FEET, THE NR 1 GENERATOR WENT OFF LINE AND ALL ELECTRICAL AVIONIC SYSTEMS ON THE CAPTAINS SIDE WENT BLANK. THE FIRST OFFICERS SIDE WAS FLICKERING AND EVENTUALLY RETURNED AFTER THE APU WAS STARTED.Jun 7, 2000 · N342US · Boeing 737301SDR DLM11001077Transformer · failedEN ROUTE ATL-LGW, HAD AUTOSLAT FAIL, NR 3 OIL PRESS INVALID AND NR 3 HYD QUANTITY INVALID ANNUNCIATED. DIVERTED TO JFK. SWAPPED TRANSFORMER WITH UNIT INSTALLED IN LOCATION T1-187 AFT CARGO LOADING SYSTEM. NR 3 28VAC BUS, OPS NOW NORMAL.Jun 1, 2000 · N813DE · Doug MD11SDR DLM11001076Transformer · failedAUTOSLAT FAIL NR 3 OIL PRESS INVALID AND NR 3 HYD QTY INVALID ANNUNCIATED. FOUND TRANSFORMER T1-33 FAILED. SWAPPED WITH AFT CARGO LOADNG TRANSFORMER T1-187, NBR 3 28VAC BUS OPS NORMAL. NOTE: C/B WAS POPPED NR 3 XFER BUS.Jun 1, 2000 · N813DE · Doug MD11SDR COMA0060464Gcu · malfunctionedLEFT GENERATOR TRIPPED AND WOULD NOT RESET. REPLACED THE GCU.May 29, 2000 · N936CA · Cndair CL6002B19SDR 2000UALA00286Idg · failedAT 80 KNOTS ON T/O ROLL ECAM IDG2 LO OIL PRESS. ABORTED THE TAKEOFF PRIOR TO 100 KTS AND COMPLETED ECAM PROCEDURE DISCONNECTING IDG. *S/D* REMOVED AND REPLACED ENGINE 2 INTEGRATED DRIVE GENERATOR PER AMM 24-21-51-401.May 24, 2000 · N411UA · Airbus A320232SDR CA000530005Wire · misinstalled(CAN) NR 2 A/C GEN CAUTION LIGHT CAME ON AFTER TAKE OFF, GEN RESET AND AGAIN FAILED. WIRING AT 2124-K2 RELAY FOUND INCORRECTLY INSTALLED AFTER MAINTENANCE. WIRING REATTACHED.May 23, 2000 · Dhav DHC8102SDR 2000UALA00285Diode · failedRETURNED TO DEN AND LANDED UNDER AN AMBER ALERT DUE TO AN ELECTRICAL PROBLEM. *S/D* THE LEFT (NR 1) INTEGRATED DRIVE GENERATOR WAS REPLACED. THE IDG HAD AN INTERNAL DIODE FAILURE. C901 GEN CIRCUIT BREAKER WAS REPLACED. THE CIRCUIT BREAKER HAD BURNED AND PMay 23, 2000 · N580UA · Boeing 757222SDR 2000UALA00277Gcu · failedAPPROX 15 MINS AFTER TAKEOFF, AC LOST NR 2 ELECTRICAL GENERATOR. APU WAS INEFFECTIVE IN POWERING ESSENTIAL SYSTEMS ON THE PLANE, SO CAPT ELECTED TO RETURN TO DEN FOR REPAIRS. *S/D* REPLACED GENERATOR LINE CONTACTOR NR 2 (GLC2) AND NR 2 GENERATOR CONTROL UNIMay 21, 2000 · N805UA · Airbus A319131SDR RAAA00E8019Generator · failedNR 2 GENERATOR MECH FAILURE LIGHT ON DURING DESCENT INTO ANC. ENGINE SHUTDOWN PROCEDURE ACCOMPLISHED. REPLACED NR 2 GENERATOR PER AF24-3-1.May 20, 2000 · N178RV · Lkheed 188CSDR MALA000341Connector · dirtyLEFT AC GEN LIGHT ILLUMINATED. RAN ORH LIGHT WENT OUT AND RE-ILLUMINATED. RETURNED TO DTW. TROUBLESHOT WITH LINE MAINTENANCE AND APPEARS TO BE BAD GCU. MX REMOVED LT GEN CANNON PLUGS, CLEANED AND RESECURED. REMOVED LT GCU CANNON PLUG, CLEANED AND RESECUREMay 19, 2000 · N456XJ · Saab 340BSDR CA000519021Packing · cut(CAN) DURING TAKE OFF ROLL, IDG NR 2 CAUTION MESSAGE POSTED AND WENT AWAY, BUT SEVERAL OTHER CAUTIONS POSTED INCLUDING WINDSHIELD AND WINDOW HEAT. MAINT FOUND OIL LEAK FROM NR 2 IDG OUTPORT CAUSED BY A CUT O-RING.May 18, 2000 · Cndair CL6002B19SDR MALA000339Generator · malfunctionedRIGHT AC GENERATOR CYCLES ON AND OFF DURING TAXI OUT. HAPPENED ABOUT 15 TIMES DIDN''T MATTER IF PC AT GATE OR W/SOME POWER APPLIED. MX RAN ENGINES, VERIFIED AC GEN AT STEADY STATE PROP RPM. ALSO, VERIFIED BOTTOMING GOVERNOR OPERATION. AC GENERATOR OPS CHECMay 18, 2000 · N434XJ · Saab 340BSDR QXEA0001339Display · failedBOI- ON NR 2 ENGINE START, ALL SIX AC CIRCUIT BREAKERS POPPED AND EXPERIENCED SMOKE IN COCKPIT. PASSENGERS DE-PLANED THROUGH THE MAIN CABIN DOOR WITHOUT INCIDENT. REPLACED AC MONITOR DUE TO BURNT SMELL. PERFORMED AC SYSTEM OPERATIONAL CHECK. OPERATIONAL CHMay 17, 2000 · N828PH · Dhav DHC8202SDR UPS00832551Panel · inoperativeINSPECTION TYPE:N/A, ATB- NR 4 GEN LOW VOLTAGE, CREW REPORTED SMOKE IN COCKPIT (DFW. *S/D* REMOVED AND REPLACED BUS PROTECTION PANEL.May 10, 2000 · N798UP · Doug DC871FSDR SIMA1301Gcu · failedNAS - FLT 5352 - NR 1 DC GENERATOR FAULTED ON TAKEOFF. REPLACED GCU IAW ATR MM 24-00-00. OPS CHECKED GOOD. (X)May 9, 2000 · N434AT · Aerosp ATR72212SDR TWAA0007102Generator · failedIN DESCENT WITH NUMBER 3 ENGINE GENERATOR PLACARD INOPERATIVE PER MEL, EXPERIENCED AC POWER LOSS WHEN NUMBER 1 AND 2 GENERATORS HAD UNDEREXCITATION AND UNDERVOLTAGE. HAPPENED AT THE SAME TIME THAT NUMBER 2 ''B'' HYD PUMP WAS TURNED ON. FIELD RESET ON NUMBER May 7, 2000 · N54350 · Boeing 727231SDR 2000UALA00200Gcu · failedONE ENGINE GENERATOR OFF BUS WOULD NOT RESET. *S/D* REPLACED GENERATOR CONTROL UNIT. OPS CHECK GOOD.Apr 17, 2000 · N338UA · Boeing 737322SDR DL72S000764Harness · damagedFOUND NUMEROUS LONGITUDINAL SPLITS ON INSULATION OF ALL 3 GEN FEEDER CABLES IN MID PYLON AREA OF NR 3 ENG. REPLACED CABLES FROM SPLICES IN RT 48 SECTION TO FIREWALL DISCONNECT WITH NEW TYPE CABLES BMS 13-58 DL (P/N 012210733) PER BOEING SERVICE LETTER 727Apr 11, 2000 · N535DA · Boeing 727232SDR HALA0000108Generator · malfunctionedLAX - FLT 10 - NR 3 GEN WOULD NOT PARALLEL VOLTS AND FREQS OK. REPLACED GCU AND LOAD CONT, GEN STILL WOULD NOT PARALLEL. PLACARDED NR 3 GEN PARALLELING SYSTEM INOPERATIVE. (M)Apr 3, 2000 · N122AA · Doug DC1010SDR CA001123012Actuator · failed(CAN) DURING 6C1 CHECK AT THE RAM AIR TURBINE (RAT) FAILED TO DEPLOY DURING AUTO AND MANUAL DEPLOYMENT TEST. TROUBLESHOOTING CARRIED OUT IN ACCORDANCE WITH TSM 29-24-00-810-802 DETERMINED RAT ACTUATOR FAULTY.Mar 16, 2000 · Airbus A330322SDR CA000317003Gcu · failed(CAN) 3 MINS AFTER TAKEOFF PILOT REPORTED NAVIGATIONAL PROBLEMS AND RETURNED TO BLOCKS. NR 2 GEN FELL OFF LINE, THIS IS A RECURRING PROBLEM, NO 1 ADI TOPPLED. NR 1 VG REPLACED AND SERVICEABLE. NO 2 GEN PUT ON MEL THEM REPLACED, HED BEEN REPLACED TWO OTHER TIMEMar 16, 2000 · Fokker F28MK1000
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