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 CA000306007Gcu · burned out(CAN) PASSENGERS DEPLANED DUE TO HEAVY SMOKE SMELL EMANATING THROUGHOUT THE CIOCKPIT. FOUND COCKPIT GCU BURNED OUT, REPLACED. GCU CHECKED AND NOT AT FAULT AND REINSTALLED THREE DAYS LATER SAME PROBLEM. UNIT SENT TO MANUFACTURER FOR INVESTIGATION.SDR 2000UALA00098Harness · chafedRT GEN OFF'' EICAS AND LIGHT ILLUM WITH FIELD OFF LIGHT ON THELATERAL PANEL. APU UNAVAILABLE. DIVERTED TO MCI. *S/D* REPLACED RT IDG PER MM, NO LEAKS NOTED. REPLACED RT GENERATOR CONTROL BREAKER M903 PER MM. REPAIRED GENERATOR FEEDER CABLE CHAFING ON T1 SDR 20000417SH004Circuit Breaker · failedCIRCUIT BREAKER P/N 464-656 5 AMP TO LANDING GEAR SOLENOID FAILED INTERNALLY WHILE GEAR WAS IN TRANSIT STOPPING GEAR PARTIALLY EXTENDED. (X)SDR QXEA0000465Inverter · failedSEA- VERY NOTICABLE BURNING ELECTRICAL SMELL (NO SMOKE) IN COCKPIT. FOUND PRIMARY INVERTER TO BE VERY HOT. REMOVED AND REPLACED PRIMARY INVERTER, OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR USAASB00035Harness · chafedDTW - FLT 517 - INBOUND TO DTW FROM CLT, THE NR 1 GENERATOR BUS OFF LIGHT ILLUMINATED WITH LOSS OF ASSOCIATED SYSTEMS. THE AIRCRAFTS APU WAS ON MEL FOR NOT BEING ABLE TO START. THIS RESULTED IN THE AIRCRAFT BEING REDUCED TO ONE POWER SOURCE AVAILABLE. CAPT SDR CA000218007Csd · failed(CAN) NR 2 CSD LOW OIL LIGHT CAME ON DURING TAKEOFF ROLL. CSD DISCONNECTED AND OPERATED IN MEL, CSD TO BE REPLACED.SDR HEEA065905Relay · failedFAILED TO START THREE TIMES WITH NO START OR IGNITION LIGHT.SDR USAASB00019Transformer · failedBWI - FLT 549 - FLIGHT DEPARTED LGA WITH AN MEL ON THE APU FOR NOT STARTING. WHILE EN ROUTE TO CLT, THE NR 1 GENERATOR TRIPPED OFF LINE TWICE AND WAS ABLE TO BE RESET BOTH TIMES. GENERATOR THEN TRIPPED A THIRD TIME AND WOULD NOT RESET. AN EMERGENCY WAS DECLSDR AT0000036Gcu · inoperativeFOUND LEFT GENERATOR FAILED AFTER TAKEOFF. FLIGHT ATTENDANT REPORTED SMELL OF SMOKE IN CABIN AFTER TAKEOFF. REMOVED AND REPLACED GENERATOR CONTROL UNIT. RAN ENGINE PACKS, COULD NOT DUPLICATE SMOKE SMELL..SDR ASAA0040002Control Panel · smokePDX - FLT 603 - DURING FLIGHT, THE NR 2 GENERATOR BUS OFF LIGHT ILLUMINATED WITH ASSOCIATED SYSTEM LIGHTS. ODOR OF ELECTRICAL SMOKE WAS NOTED, THEN DISSIPATED. SMOKE WAS NOTED COMING FROM THE GCU. REMOVED POWER FROM NR 2 GEN BUS AND SMOKE CEASED. THE AIRCRSDR RAIA0001001Generator · failedFLT 7182 - STL - RIGHT ENGINE DC GENERATOR FAILED IN FLIGHT. MAINTENANCE REPLACED RIGHT ENGINE DC GENERATOR. (M)SDR PLGA991228Gcu · failedBOS/SYR - FLT 4705 - AFTER TAKEOFF, CREW NOTED THE LEFT AC GENERATOR HAD FAILED AND WOULD NOT RESET. THE AIRCRAFT DIVERTED BACK TO BOS AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT AC GENERATOR AND GENERATOR CONTROL UNIT AND PERFORMSDR CA991229053Gcu · failed(CAN) PILOT REPORTED THAT DURING THE BOARDING PROCESS. A HEAVY SMOKE SMELL FROM THE MAIN CABIN CB PANEL WAS EMANATING THROUGH THE COCKPIT. THE CREW WRE UNABLE TO PINPOINT THE SOURCE. THE AIRCARAFT WAS SHUTDOWN AND THE PASSENGERS WERE DEPLANED WITHOUT INCIDENTSDR CA000110095Wire · overheated(CAN) AIRCRAFT HAD A HISTORY OF RT HYD INDICATION FLUCTUATIONS. TWO RT GEN FEEDER CABLES BADLY OVERHEATED CAUSING SOME OF ITS INSULATION TO MELT AND ALSO INSULATION ON ADJACENT WIRE BUNDLES. ALL DAMAGED CABLES REPAIRED.SDR P2EA99349Transformer · failedFLT 612 - MCI - NR 1 GENERATOR AND ASSOCIATED BUS DROPPED OFF LINE DURING TAKEOFF. TAKEOFF ABORTED AT APPROX 50 KTS.. RETURNED TO GATE. DEFERRED NR 1 GENERATOR PER MEL 24-1. REMOVED AND REPLACED CURRENT TRANSFORMER PER MM. OPERATION NORMAL. (M)SDR HEEA065349Relay · intermittentINTERMITTENT NO START LIGHT AND NO IGNITER ON START.SDR 99FDEA00498Generator · inopDURING CLIMB LOST NR 1 GEN AND BUS ACCOMPLISHED ELECTRICAL SYS MALFUNCTION CKLIST AND GENERATOR FIELD/GENERATOR BREAKER TRIP CK LIST AND CSD DISC. REMOVED AND REPLACED NR 1 GENERATOR CONTROL UNIT AND VOLTAGE REGULATOR. REMOVED AND REPLACED NR 2 VOLTAGE REGULSDR CA991231020Gcu · failed(CAN) AIRCRAFT OPERATING ON MEL WITH FAILED RT IDG. APU SHUTDOWN INFLIGHT CAUSING A LOSS OF ELECTRICAL POWER. AIRARAFT LANDED AND NR 2 ENGINE GCU AND IDG REPLACED.SDR HALA9900250Ram Air Turb · inoperativeHNL - FLT 512 -(RTR) RAT AND TRI INOPERATIVE. PLACARDED TRI INOPERABLE ALL MPCW. REF: OPERATOR CONTROL NR 99ZZZX90. (X)SDR CA991208016Terminal Block · loose(CAN) CREW REPORTED AN INTERMITTENT NR 2 AC GENERATOR FAIL SNAG. WHILE TROUBLESHOOTING, A PIN WAS FOUND TO BE NOT LOCKED IN TERMINAL BLOCK 2422-TB2. THE TERMINAL BLOCK WAS REPLACED.SDR HALA9900234Gcu · malfunctionedNR 2 AC BUS TIE ISOL LIGHT CAME ON IN FLIGHT PERFORMED PROCEDURES IN FCOM, LIGHT REMAINED ON. REMOVED AND REPLACED NR 2 GCU AND BCU. GROUND RUN CHECK OK. (M)SDR TWAA9915801Wire · damagedDURING CLIMB, THE RT GENERATOR FAILED WITH AC CROSSTIE LOCKOUT LIGHT ON. CREW NOTICED ELECTRICAL ODOR IN COCKPIT. FLT RETURNED TO SEA. THE RT GENERATOR FEEDER CABLE WAS FOUND DAMAGED AT STA 237. ISOLATED DAMAGED WIRING AND MAINTENANCE FERRIED THE AIRCRAFT SDR 99ZZZX4418Terminal End · failedPILOT REPORTED THAT LEFT GENERATOR FAILED IN-FLIGHT. RE-SETTING LEFT GENERATOR CAUSED RIGHT GENERATOR TO FAIL. PILOT COULD USE EITHER GENERATOR ALONE, BUT NOT BOTH AT THE SAME TIME. MAINTENANCE FOUND A BAD TERMINAL END CONNECTING WIRE NR P7A12 TO TERMINAL DSDR HEEA065145Gcu · failedUNDERVOLT WILL NOT TEST.SDR CA991208018Gcu · failed(CAN) DURING TAXI, THE CREW NOTED THAT THE NR 1 GENERATOR CAUTION LIGHT CAME ON. AN ELECTRICAL SMELL WAS ALSO EVIDENT IN THE COCKPIT AND CABIN. MAINTENANCE REPLACED A DEFECTIVE GCU.SDR MWEA99825Relay · failedMCI - FLT 580 - SMELLED ELECTRICAL SMOKE IN COCKPIT PRIOR TO DEPARTURE. MTC DEFERRED APU AND REMOVED AND REPLACED LEFT APU POWER RELAY. (X)SDR 9904781151Feeder Lins · shortedAFTER TAKEOFF, LOST NR 2 GENERATOR. RESET AND VOLTS AND FREQUENCIES WERE NORMAL. FIVE MINUTES LATER, FLIGHT ATTENDANTS NOTED HAZY SMOKE IN AFT GALLEY AREA AND GENERATOR OFF LIGHT ILLUMINATED AGAIN. FLIGHT DIVERTED TO GEG AND LANDED WITHOUT INCIDENT. FOUND SDR HEEA064971Relay · malfunctionedRELAY CAUSES HORN TO GO OFF WITH BATTERY OFF.SDR HEEA064961Relay · failedRELAY WILL NOT ILLUMINATE START LIGHT EVERY TIME.SDR CA991231001Ram Air Turb · failed(CAN) DURING PRODUCTION FLT. ADG WOULD NOT DEPLOY IN FLIGHT. BLADES WERE FOUND STUCK BETWEEN THE FUSELAGE AND ADG DOOR. NOT PROPERLY STOWED.SDR USAASB99255unknownGSO - FLT 2660 - UPON PUSHBACK, THE NR 1 TRU C/B TRIPPED. THE NR 1 ENG GEN READ ZERO AMPS AND ZERO VOLTS. CREW RESET THE NR 1 TRU C/B ALONG WITH THE NORMAL EQUIP BLOWER C/B'S THAT HAD ALSO TRIPPED AND THE NR 1 GEN CAME ON LINE. HOWEVER, EN ROUTE FROM ATL TOSDR USAASB99245Harness · failedORD - FLT 1817 - EN ROUTE FROM PHL/MSP, CAPTAIN REPORTED THE NR 2 AND NR 3 TRANSFORMER RECTIFIERS HAD TRIPPED AND THE CAPTAIN'S WINDOW OVERHEAT LIGHT WAS ON. CAPTAIN RESET T/R'S, BUT THEY BOTH TRIPPED AGAIN. LOSS OF ELECTRIC TRIM, AUTOSPEED BRAKE AND RIGHT SDR HEEA064704Relay · stickingRELAY STICKING.SDR 9904099959Generator · trippedAC CROSSTIE WITH LEFT AC BUS OFF, DC BUS OFF, AND LEFT GENERATOR OFF LIGHTS ILLUMINATED ON APPROACH INTO CLT. FLIGHT CREW DECLARED AN EMERGENCY AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE RESET LEFT GENERATOR AND CROSSTIE. OPERATIONAL CHECK NORMAL, AISDR CA991008017Carbon Seal · failed(CAN) INTEGRATED DRIVE GENERATOR CARBON SEAL FAILED CAUSING LOSS OF ENGINE OIL.SDR CA990927069Contactor Box · shorted(CAN) DOUBLE AC GENERATOR FAILURE IN CRUISE FLIGHT. MAINTENANCE TRACED THE PROBLEM TO SHORTED PINS E AND F ON THE LEFT AC CONTACTOR BOX - 2421-P15/J15. SUBMITTER STATES, THIS EFFECTIVELY SHORTS GCU NR 1/2 PIN D ON EACH (PHASE C) RESULTING IN BOTH GENERATORS TSDR HEEA064307Relay · malfunctionedRELAY CAUSES FADEC DEGRADE LIGHT. REFERENCE: DMR NR 686288.SDR 99ZZZX3561Volt Regulator · intermittentVOLTAGE REGULATOR INTERMITTENT. REMOVED AND REPLACED.SDR CALA9901043Wire Harness · failedLT GEN TRIPPED OFF LINE ON T/O FROM ORF. QRH PROCEDURE WAS RUN AND GEN RESET NORM. APPROX 3 MINS LATER CREW WAS NOTIFIED OF LIGHT SMOKE IN FWD PART OF CABIN. THE A/C RETURNED TO ORF. MX FOUND NR 1 TRANSFORMER RECTIFIER C/B POPPED AND NR 1 ENG FIREWALL DISCSDR CA990907054Connector · corroded(CAN) NR 2 AC GENERATOR DROPPED OFF-LINE DURING TAXI. CORROSION WAS FOUND ON CANNON PLUG AND ONE PIN FROM THE GCU WAS STUCK IN THE PLUG RECEPTACLE. PLUG AND GCU WERE REPLACED.SDR CA990907074Gcu · tripped(CAN) DURING CLIMB AT 23,000 FEET, NR 1 GENERATOR TRIPPED OFFLINE, NR 1 GCU REPLACED.SDR DLM90991706Convertor · failedL AC PWR FAULT AND L GEN OFF MSG ON OAP. APU IS ON MCO/PLAC. PER EPCU BITE, REPLACED LEFT A/C CONVERTER. OPS CKS NORMAL.SDR DL72S991438Switch · failedAFTER TAKEOFF APPROX 3000 FT, GEN NR 2 BKR AND FIELD LIGHT ON. RAN POM PROCEDURES AND RETURNED TO BOS. REPLACED NR 2 ENG GEN RESIDUAL VOLTAGE SWITCH.SDR P2EA99199Connector · looseDEN - FLT 305 - EMERGENCY DECLARED (APU PREVIOUSLY DEFERRED) LANDING UNEVENTFUL AT SCHEDULED DESTINATION. LEFT ENGINE DRIVEN GENERATOR DROPPED OFF LINE IN FLIGHT AND WOULD NOT RESET. SWAPPED APU GCU WITH NR 1 ENGINE GCU. RAN NR 1 ENGINE. GENERATOR OPS CHECSDR CA990603034Gcu · failed(CAN) NR 2 GENERATOR CAME OFF-LINE DURING TAKEOFF. TAKEOFF ABORTED AT 70 KNOTS. NR 2 GENERATOR CONTROL UNIT REPLACED.SDR DL76L991050Switch · failedSTRONG ELECTRICAL SMELL IN AREA OF FWD COAT CLOSET WITH VIDEO ENTERTAINMENT GEAR. FOUND FAULTY RT GENERATOR DRIVE LIGHT SWITCH. REPLACED GENERATOR POWER PANEL. SYSTEM OPS CHECK NORMAL.SDR 99UAL900255Ram Air Turb · failedRAT FAILED AUX HYD SYS OPS TEST. *S/D* DURING FUNCTIONAL CHECK OF RAT USING GROUND TEST UNIT, RAM AIR TURBINE FAILED CHECK. REPLACED RAT PER AMM AND OPS CHECKED NORMAL.SDR UPS99829464Wire · chafedNR 3 UNPARELLED LIGHT CAME ON AFTER LANDING. TOTAL ELECTRICAL FAILURE APPROX 1-2 MIN. THEN DETECTED SMOKE IN COCKPIT, EVACUATED A/C. REF L/P 183785 ITEM 2. FOUND WIRE W103-T1-5X2 (WDM 24-20-03) INSIDE NR 3 GEN CURRENT X-FORMER CHAFFING WITH COVER MOUNTING SDR UF6A990309Tru · failedORD - FLT 5712 - NR 1 TRU AND INVERTER FAILED IN FLIGHT. MAINTENANCE PERFORMED OPS CHECK OF SYSTEM. SYSTEM OPS CHECKED GOOD. (M)SDR CA990323017Gcu · arcing(CAN) NR 1 GENERATOR'S CIRCUIT BREAKER TRIPPED, GCU RECEPTACLE ARCING. RECEPTACLE AND GCU REPLACED.
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