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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR CA990330034Gcu · failed(CAN) NR 1 GENERATOR FIELD BREAKER TRIPPED. NR 1 GENERATOR AC CONTROL BREAKER TRIPPED. ELECTRICAL FAULT PANEL ALL LIT UP. GENERATOR CONTROL UNIT REPLACED.SDR 9900899919Wire · failedEN ROUTE MSP-IAD, C PHASE OF LEFT GENERATOR BUS CIRCUIT BREAKERS POPPED FOLLOWED BY ALL ROW H FUEL PUMP CIRCUIT BREAKERS. CREW DECLARED AN EMERGENCY AND FLIGHT WAS DIVERTED TO IND. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED CIRCUIT BREAKER B1-27SDR CA990330068Generator · failed(CAN) DURING CRUISE, RT ENGINE GENERATOR FAULT, CREW DISCONNECTED INTEGRATED DRIVE GENERATOR. A/IRCRAFT RETURNED. RT GENERATOR OFF DISPLAYED, AUX POWER UNIT GENERATOR LIGHT EXITING BUS TIE RESET NORMAL. SNAG REPEAT. REPLACED RT BUS TIE BREAKER, RT INTEGRATSDR AU990840Gcu · failed(AUS) RIGHT DC GENERATOR CONTROL UNIT FAILED. AIRCRAFT EXPERIENCED LIGHTNING STRIKE ON RIGHT PROPELLER.SDR 99ZZZM272Ram Air Turb · failedHKG - DURING D-CHECK, THE 'RAT' RAM AIR TURBINE DEPLOYMENT FAILED BY MOTOR ACTUATOR OR MANUAL RELEASE. ACTUATOR FOUND INTERNALLY SEIZED. REMOVED AND REPLACED ACTUATOR. (M)SDR CA990129021Connector · failed(CAN) IDG HARNESS CONNECTOR IN ENGINE PYLON SEVERELY ARCED ON 3 RECEPTACLE CONNECTORS. REPAIRED/REPLACED.SDR EISA98320Control Panel · looseGENERATOR BREAKER AND FIELD LIGHT NR 1 ILLUMINATED AT GEAR RETRACTION. DIFFERENTIAL LIGHT ILLUMINATED RAN ABNORMAL PROCEDURES. GENERATOR WOULD NOT RESET. RAN NORMAL PROCEDURES. RETURN TO DEPARTURE (LAX). FOUND NR 1 GENERATOR CONTROL PANEL LOOSE. SWAPPED SDR USAASB98324Harness · failedRIC - FLT 1475 - EN ROUTE PHL-CLT, THR NR 2 GENERATOR TRIPPED. THE APU GENERATOR SYSTEM WAS ON MEL. FLIGHT DIVERTED TO RIC AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND THE NR 2 ENGINE GENERATOR FEEDER WIRE PINS BURNED AT THE FIREWALL CONNECTOR D41SDR USAASB324Generator · malfunctionedRIC - FLT 1475 - EN ROUTE PHL-CLT, THE NR 2 GENERATOR TRIPPED. THE APU GENERATOR SYSTEM WAS ON MEL. FLIGHT DIVERTED TO RIC AND LANDED WITH NO FURTHER INCIDENT. (M)SDR USAASB98323Gcu · malfunctionedJAX - FLT 820 - DURING CRUISE, THE APU GENERATOR QUIT AND THE NR 2 ENGINE GENERATOR WAS ALREADY ON MEL. DECISION WAS MADE TO DIVERT TO JAX SINCE THE AIRCRAFT WAS DOWN TO ONE ELECTRICAL SOURCE. FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARESDR AU981570Gcu · malfunctioned(AUS) GENERATOR CONTROL UNIT (GCU) FAULTY. PART TC: 11,118.SDR 98FDEA00717Bus Panel · failedSMELLED FUMES IN COCKPIT. REPLACED CIRCUIT BREAKER, REMOVED AND REPLACED BUS PROTECTION PANEL, PERF OPER CKS PER MM 24-20-0 AND ALL CKS GOOD. NO OTHER PROBLEMS.SDR 99ZZZX245Circuit Breaker · failedNR 1 BUSS CIRCUIT BREAKER TRIPPED, LEFT HAND SIDE. LOSS OF POWER TO ESSENTIAL BUSS. NR 1 RIGHT HAND BUSS FEED CIRCUIT BREAKER BAD. REMOVED AND REPLACED NR 1 RIGHT HAND CIRCUIT BREAKER WITH NEW UNIT P/N 700-001-50.SDR USAASB98295Transformer · failedPHL - FLT 162 - SHORTLY AFTER T/O, THE NR 1 TRANSFORMER RECTIFIER C/B TRIPPED FOLLOWED BY THE BATTERY CHARGER AND THE 'B' SYSTEM ELECTRIC HYDRAULIC PUMP. WITHIN 10 MINUTES, THE NR 1 ELECTRIC BUS TRIPPED FOLLOWED BY THE AC STANDBY BUS, EQUIPMENT COOLING NORMALSDR RRXA98560Air Dist · odorNR 1 AC LOADMETER FLUCTUATING IN FLIGHT WITH ACRID ODOR OF ELECTRICAL SMOKE. PLACED NR 1 GEN SWITCH OFF, ODOR DISSIPATED AND QRH PROCEDURE COMPLETE. PERFORMED OPERATIONAL CK OF NR 1 GENERATOR SYSTEM, NR 1 GENERATOR OPS CKS GOOD UPON ENGINE RUN UP. ALL PARAMSDR 99ZZZM114Gcu · malfunctionedCLT - FLT 790 - AT FL290, FLT ATTENDANT ADVISED CREW OF A BURNING ELECTRICAL SMELL IN CABIN AROUND LOW 6D. AT THE SAME TIME, THE NR 2 MAIN AFT BOOST PUMP CIRCUIT BREAKER TRIPPED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE GSDR 99ZZZM113Circuit Breaker · malfunctionedCLT - FLT 790 - AT FL290, FLT ATTENDANT ADVISED CREW OF A BURNING ELECTRICAL SMELL IN CABIN AROUND LOW 6D. AT THE SAME TIME, THE NR 2 MAIN AFT BOOST PUMP CIRCUIT BREAKER TRIPPED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE GSDR 99ZZZX3255Volt Regulator · failedGENERATOR WILL NOT COME ON LINE.SDR TC8A98068Terminal · damagedTRIP NR 02692, DURING TAXI, NR 1 AND NR 3 GENERATOR UNPARALLELED, VOLTS AND FREQS OK. AIRCRAFT FERRIED TO KYIP. TROUBLESHOT SYSTEM, REPLACED TERMINALS AT WIRE NR X56024 (NR 3 GCR). SYSTEM OPS GOOD IAW DMM 24-10-0.SDR 98UAL900506Wire · brokenRETURNED TO ORD DUE TO ELECTRICAL PROBLEMS. *S/D* W2018-0002-06 WAS FOUND BROKEN AT LEFT GENERATOR CIRCUIT BREAKER C901 PHASE B. LOSS OF PHASE B AT L GEN CB CAUSED PARTIAL ELECTRICAL FAILURE. THE BROKEN WIRE TERMINAL WAS REPLACED.SDR USAAD98186Control Panel · failedBWI/BOS - FLT 728 - AFTER DEPARTURE, THE LEFT ENGINE GENERATOR TRIPPED OFF-LINE. ATTEMPTS TO RESET WERE UNSUCCESSFUL. THE APU WAS ON MEL LEAVING ONLY THE RIGHT ENGINE GENERATOR TO POWER THE AIRCRAFT. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCISDR AU981316Wire · chafed(AUS) NR 1 GENERATOR BLUE PHASE WIRE CHAFED.SDR CA980916031Gcu · failed(CAN) ON APPROACH, COCKPIT FILLED WITH SMOKE AS THE NR 1 GCU WAS FAILING. ALSO, NR 1 GENERATOR TRIPPED OFF-LINE AT THIS TIME. THE CABIN REMAINED SMOKE FREE DURING DESCENT AND LANDING. INSPECTION REVEALED THAT NR 1 GCU SMOKED, GCU REPLACED, BUT ON GROUND RUSDR QXEA9801296Breaker Panel · shortedSEA - FLASH OF LIGHT AND ACRID SMELL IN COCKPIT ON SHORT FINAL. LIGHT SEEMED TO COME FROM NR 1 SIDE AFT AROUND BREAKER PANEL. INSPECTED UNDER CIRCUIT BREAKER PANELS, GROUND RAN AIRCRAFT, CHECKED AC AND DC ELECTRICAL SYSTEMS WHILE RUNNING. NO FAULT FOUND. OSDR HEEA0016012Relay · failedRELAY CAUSED GENERATOR NOT TO COME ON LINE.SDR USAASB98231Gcu · failedRIC - FLT 811 - AFTER LEVEL OFF AT APPROXIMATELY FL 280, THE FLIGHT ATTENDANTS REPORTED AN UNUSUAL ODOR IN THE CABIN. SHORTLY THEREAFTER, ODOR WAS NOTICED IN THE COCKPIT. CREW DECLARED AN EMERGENCY AND DIVERTED TO RIC. FLIGHT LANDED WITHOUT INCIDENT AND TAXSDR HEEA0015977Relay · failedRELAY CAUSING GENERATOR TO DROP OFF LINE IN-FLIGHT.SDR USAAD98154Csd · failedPHL-TPA - FLT 433 - EN ROUTE THE RIGHT ENGINE DRIVEN GENERATOR BECAME INOPERATIVE. THE FLIGHT CREW STARTED THE APU TO USE THE APU GENERATOR. ABOUT 20 MINUTES LATER THE APU HIGH OIL TEMP LIGHT ILLUMINATED. THE APU WAS SHUTDOWN AND THE FLIGHT DIVERTED TO ORF.SDR 98ZZZM771Generator · failedPHL-TPA - FLT 433 - EN ROUTE THE RIGHT ENGINE DRIVEN GENERATOR BECAME INOPERATIVE. THE FLIGHT CREW STARTED THE APU TO USE THE APU GENERATOR. ABOUT 20 MINUTES LATER THE APU HIGH OIL TEMP LIGHT ILLUMINATED. THE APU WAS SHUTDOWN AND THE FLIGHT DIVERTED TO ORF.SDR SIMA982412Generator · failedTXK - FLT 5008 - RIGHT AC GENERATOR AND INLET LIGHT ILLUMINATED. SHORTLY AFTER THE RIGHT ENGINE OIL PRESSURE WARNING LIGHT ILLUMINATED ON THE CWP. RIGHT PROP GEARBOX OIL PRESSURE WAS SEEN TO BE DECREASING WHILE THE OIL TEMP WAS INCREASING. OIL WAS SEEN STRESDR HEEA0015892Control Unit · malfunctionedAC GENERATOR DROPS OFF LINE WHEN AIR CONDITIONER IS TURNED ON.SDR 98FDEA00522Connector · burnedAFTER T/O ALL INSTR PWR BY NR 2 ENG GEN SYS START SPIKING, LIGHT FLICKER. NR 2 FUEL FLOW IND AND NR 2 N2 FLUCT. FUEL PUMPS FAIL. A/C DIVERTED TO ATL. MX FOUND BURNED PIN ON NR 2 ENG GEN FEEDER HARNESS CONNECTOR VC4955P. REPLACED THE NR 2 GEN LINE. MX FOUSDR HEEA0015493Shunt · failedGENERATOR DROPS OFF LINE WITH HIGH VOLTAGE.SDR USAAD98140Control · failedPIT - FLT 400 - DESCENDING THROUGH 5000 FEET, THE LEFT GENERATOR DROPPED OFF LINE. WHEN THE CREW TRIED A RESET, THE GENERATOR AGAIN TRIPPED OFF LINE AND THE CROSS-TIE RELAY TRIPPED. THE CREW WAS WITHOUT AC POWER. THE APU WAS STARTED AND POWER RESTORED. MAISDR CALA9801391Connector · failedTHE NR 2 AND NR 3 TRANSFORMER RECTIFIER CIRCUIT BREAKERS POPPED ACCOMPANIED BY AN ELECTRICAL SMELL IN THE CABIN DURING CRUISE AT FL 310. THE AIRCRAFT LANDED AT CLE WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 2 GENERATOR D410 FIREWALL CANNON PLUG BURNT. THE DSDR 98ZZZM607Gcu · failedTYS - FLT 1633 - ON APPROACH TO TYS DESCENDING THROUGH 4000 FEET, WHEN SPEEDBRAKES WERE DEPLOYED THE APU FIRE WARNING ANNUNCIATED. THE APU AUTOMATICALLY SHUT DOWN AND THE FIRE BOTTLE DISCHARGED. THE APU WAS BEING RUN BECAUSE THE NR 1 GENERATOR WAS ON MEL. FSDR HEEA0015357Regulator · failedGENERATOR DROPPING OFF LINE.SDR CA980810004Resistor · wrong part(CAN) GCU RESISTOR FOR THE RESET CIRCUIT WAS FOUND TO BE UNAPPROVED.SDR 98ZZZX2828Wire · wornTHE LT GENERATOR TRIPPED OFF AND THERE WAS A LOSS OF LT HYDRAULIC SYSTEM FLUID. FLT 249 MADE AN UNSCHEDULED LANDING AT MCI. FOUND GENERATOR FEEDER CABLE RUBBED AN ELEVATOR RETURN HYDRAULIC LINE IN THE TAIL COMPARTMENT CAUSING FAILURE OF BOTH SYSTEMS. REPLACSDR ARWA980796Gcu · failedSJU - FLT 508 - PREFERENTIAL SYSTEM INOP ON PUSH BACK. REMOVED AND REPLACED NR 3 GENERATOR GCU. OPS CHECKED NORMAL IAW MM 24-20-0. (M)SDR SWAA981335Circuit Breaker · failedDURING ENGINE START SMOKE STARTED COMING OUT OF THE CIRCUIT BREAKER PANEL IN THE VICINITY OF THE G1 GENERATOR CONTROL UNIT. REMOVED AND REPLACED PER BOEING MM.SDR VJ9800217Control Panel · repairableNR 2 GENERATOR WENT OFF LINE EN ROUTE TO PHL FROM ATL. VOLTS AND FREQUENCY CHECKED NORMAL; GENERATOR WOULD NOT RESET. TAIL COMPARTMENT HI LIGHT ILLUMINATED AFTER APU STARTED AS BACK UP FOR ELECTRICAL POWER. AS PRECAUTIONARY MEASURE, FLIGHT CREW ELECTED TO RESDR USAASB98161Harness · failedSAV - FLT 2238 - SHORTLY AFTER TAKEOFF, THE NR 2 ENGINE GENERATOR DROPPED OFF LINE. AFTER LEVELING OFF, THE CREW TRIED TO PUT THE GENERATOR BACK ON LINE BUT WAS NOT SUCCESSFUL. THE NR 1 ENGINE CSD WAS ALREADY ON MEL AND WITH THE APU BEING THE ONLY SOURCE OF SDR 98UAL900264Lug · meltedELECTRICAL SMELL AND LOST THE LEFT GENERATOR. *S/D* B-PHASE LUG OVERHEATED ON THE NR 1 GENERATOR CONTROL BREAKER. THE LUG WAS REPLACED, AS WAS THE BREAKER.SDR PLGA980612BAc Gcu · failedALB - FLT 4520 - DURING FLIGHT YOW TO LGA, THE LEFT AC GENERATOR FAILED. AIRCRAFT DIVERTED TO ALB DUE TO WEATHER. MAINTENANCE REMOVED AND REPLACED THE LEFT AC GENERATOR AND AC GCU. ALL CHECKS SATISFACTORY. AC GEN, P/N 31342-001, S/N 678. (M)SDR TAOA059816Transformer · shortedREPEATER ITEM, DIFFERENTIAL FAULT ON GENERATOR NR 2. TRIPPED FIELD AND GENERATOR BREAKER ALSO DIFFERENTIAL FAULT ON SECOND OFFICERS PANEL. FOUND WIRE FROM GENERATOR CURRENT TRANSFORMERS TO GROUND W200-456-4 (T6) SHORTING TO SENSE LINE ON PRESSURIZATION BLEEDSDR 9807591225Control · failedNR 1 GENERATOR OFF LIGHT ILLUMINATED AND NR 1 GENERATOR DROPPED OFF LINE. ON TAKEOFF ROLL, THE NR 1 GENERATOR OFF LIGHT ILLUMINATED AGAIN. RETURNED TO THE GATE. MAINTENANCE REPLACED THE NR 1 GENERATOR CONTROL, OPERATIONAL CHECK NORMAL.SDR 9807129969Control Panel · malfunctionedSHORTLY AFTER TAKEOFF, THE RIGHT GENERATOR CYCLED ON AND OFF FOUR TIMES THEN DROPPED OFF LINE. FLIGHT WAS RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT GENERATOR CONTROL PANEL, VOLTAGE REGULATOR, GENERATOR, AND CSD. OPERATIONALSDR AALA980841Gcu · malfunctionedRTY - FLT 2101 - AT 330, 1 HR IN-FLIGHT, RT GEN CONTACTOR R-BUS. R-BUS TIE ISO AND UTILITY BUS LIGHTS ILLUMINATED. CYCLED RT GEN AND RESTORED BUS, BUT ISO LIGHT AND UTILITY BUS LIGHTS REMAINED ON. HELP FROM TECH SUPPORT, ISOLATED THE PROB TO THE GALLEY. PUSDR HEEA0013816Generator Contro · failedA/C GENERATOR WOULD NOT COME ON BY ITSELF.
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