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 2007UALA00388Gcu · faultyCREW RECEIVED EICAS MSG FOR LEFT AC BUS TIE FAILED, AND STATUS MSG SHOWING BOTH LEFT AND RIGHT FAILED. *S/D* ELEC BUSS ISOLATION MSG L AND R EICAS. RIGHT BUSS TIE ISOLATION LIGHT ONLY OVERHEAD. RESTORED ELMS EU'S, RAN BOTH ENGINES AND TRANSFERRED PWR BETWESDR 148J020807Gcu · shortedRT ENGINE WOULD NOT START. STARTER WOULD NOT ROTATE ENGINE AND TRIP CIRCUIT BREAKER. FOUND GCU BAD.SDR QXEA200700143Unknown · unknownBOI FLIGHT NR 2391: R AC BUSS CAUTION LIGHT AFTER PUSHBACK. MAINTENANCE CYCLED NR 2 AC GENERATOR. FAULT EXTINGUISHED. ALL INDICATIONS NORMAL. NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.SDR AMTA200700057Generator · failedHMG WILL NOT PROVIDE ELECTRICAL POWER WHEN OPERATED. REMOVED AND REPLACED HMG IAW MM 24-25-02-4. HMG OPS GOOD. (K)SDR VNAA0702002Idg · failedCREW REPORTED AN IDG CAS MESSAGE ON TAKEOFF ROLL. CREW REJECTED TAKEOFF AND RETURNED TO GATE WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 IDG IN ACCORDANCE WITH THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.SDR XN0A1359Gcu · faultedNR 1 PITCH TRIM TRIPPED BEFORE TAXI. ALL COCKPIT LIGHTS STARTED FLASHING WITH POWER-UP FOR TAXI. LOST VSI INDICATORS TEMPORARILY. LOST TAWS INDICATIONS. FOUND NR 1 GCU CAUSING POWER INTERRUPTIONS. R/R NR 1 GCU AND DISCONNECTED NR 2 CSD, OPS CK GOOD IAW AMM SDR COMA0760087Idg · faultyFLIGHT 5117 - RECEIVED IDG NR 1 CAUTION DURING 2 TAKEOFF ATTEMPTS AT 85 PERCENT N1. REPLACED NR 1 IDG, NO FURTHER DEFECTS.SDR COMA0760064Idg · unknownFLIGHT 5690 - LEFT ENGINE IDG CAUTION MESSAGE ILLUMINATED ON TAKEOFF ROLL AT 40 KTS. TAKEOFF ABORTED AND RETURNED TO GATE. TRANSFERRED TO DMI LIST (24-11-01-1).SDR QXEA200700033Generator · warning lightSJC FLIGHT NR 2404: ABORTED TAKEOFF, NR 2 AC GEN CAUTION LIGHT ILLUMINATED ON TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED NR 2 AC GEN IAW HORIZON TASK CARD 6242101. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR VNAA0701005O-Ring · crackedCREW REPORTED THE NR 2 GENERATOR FAILED ON TAKEOFF ROLL. CREW ABORTED TAKEFOFF AND RETURNED TO GATE. MAINTENANCE INSPECTED THE NR 2 IDG AND FOUND CRACKED O-RINGS AND OIL LEAKING FROM THE STANDPIPE OVERFILL. MAINTENANCE REPLACED DAMAGED O-RINGS AND SERVICED SDR QXEA200700192Relay · malfunctionedPDX FLIGHT 2048 - NR 2 AC GENERATOR CAUTION ILLUMINATED DURING CLIMB-OUT. RAN EMERGENCY CHECKLIST AND NR 2 AC GENERATOR CAUTION LIGHT REMAINED ILLUMINATED. RETURNED TO FIELD. MAINTENANCE REPLACED RELAY 2421-K2 IN RIGHT CONTACTOR BOX. OPERATIONAL CHECK GOODSDR TSAA0724008Idg · failedNON-ETOPS FLIGHT 483 RNO-SNA. AFTER ENGINE START, CREW NOTED THE NR 1 ENGINE IDG DRIVE LIGHT ILLUMINATED. CREW DISCONNECTED THE NR 1 IDG AND RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE DEFERRED THE NR 1 IDG PER MEL 24-1-2 AND RELEASED THE AIRCRAFSDR AALA20070034Generator · inoperativePHX INFLIGHT T1782/07JAN SAN - DFW AT FLIGHT LEVEL 310, LEFT GENERATOR TRIPPED ON AND OFF SEVERAL TIMES. CONSTANT SPEED DRIVE OIL TEMPERATURE OVER RED LINE. UNABLE TO START APU. TURNED LEFT GENERATOR SWITCH OFF. CONSTANT SPEED DRIVE OIL TEMPERATURE COOLEDSDR HALA0700010Idg · malfunctionedETOPS SIGNIFICANT SYSTEM, LEFT GENERATOR CONTROL OFF LIGHT OVERHEAD PANEL AND EICAS MESSAGE CAME ON WHILE TAXING INTO GATE. REMOVED AND REPLACED NR 1 IDG PER MM 24-11-01 AND INSTALLED PER AMM 24 11, ALSO CW HAL W/C 767-3-405001 BPCU FAULTS CONT TO SCROLL FROMSDR SB07002Transformer · faultyRDU - FLT849 EN ROUTE FROM CLT TO RDU, CREW REPORTED AN ELECTRICAL BURNING SMELL THROUGHOUT THE CABIN. SMELL APPEARED STRONGEST AROUND ROW 14. MAINTENANCE FOUND THE CEILING LIGHTS AT ROWS 11/12, RIGHT-HAND SIDE, HAD FAILED. SUSPECT BALLAST HAD FAILED. AIRCSDR 07FDEA00007Gcu · failedNR 2 GEN FAILED ON T/O ROLL. AFTER T/O PWR SET WOULD NOT RESET. REMOVED AND REPLACED NR 2 GEN CONTROL UNIT. OPS CK GOOD PER MM A300 24-22-12-4 PREMATURE REMOVAL/INSTALLATION.SDR BMAC06013Csd · overspeedAN ELECTRICAL MALFUNCTION OCCURRED CAUSED BY THE NR 1 AC GEN ISOLATED THE (3) BUS TIES AND DISCONNECTED THE NR 1 CSD. ALSO, NOTED ALL (8) BOOST PUMP CB'S HAD OPENED. MAINT DEFERRED THE NR 1 GEN AND CSD. LATER REPLACED NR 1 AC GEN AND CSD, OPS CHECKED GOOSDR QXEA200603290Generator · failedSEA FLIGHT NR 2350: NR 2 AC GEN FAIL AND WOULD NOT RESET. MAINTENANCE REMOVED AND REPLACED THE NR 2 AC GENERATOR. C/W NR 2 MAIN AND SCAVENGE FILTERS INSPECTION IAW HORIZON EC 6-05-21. ALL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR HALA0600917Relay · unknownNR 1 AND NR 2 GEN TRIPPED OFF, ONE RESET, TRIPPED OFF AGAIN. REPLACED LT AND RT GENERATOR RELAY, AND LT AND RT PCDU, CONTINUITY TEST OF MAG PICKUP WIRING OK IAW WDM 24-21-01. OPS CHECK OK IAW FIM 24-20 TASK 801 AND 802. SDR VNAA0612010Idg · lowCREW REPORTED A NR 1 IDG CAUTION MESSAGE ON TAKEOFF ROLL. CREW ABORTED TAKEOFF AND RETURNED TO GATE SAFELY. MAINTENANCE INSPECTED THE NR 1 IDG AND FOUND THE OIL LEVEL LOW. MAINTENANCE PROPERLY SERVICED THE OIL LEVEL AND PERFORMED OPERATIONAL CHECKS. AIRCRASDR KPVA200626Generator · warning light(PIREP) NR 2 AC GEN LIGHT WITH NR 2 AC GEN OFF, LAC BUS AND L TRU LIGHT CAME ON AND STAYED ON. (MX) REMOVED AND REPLACED NR 2 AC GEN IAW DHC PSM 1-8-2 PG 201-205. OPS CHECK PASS.SDR DLM90061026Generator · odorELECTRICAL SMELL/SMOKE IN THE CABIN ON ROTATION FROM SJC. CREW ELECTED TO RETURN TO SJC. INFLIGHT EMERGENCY WAS DECLARED. ODOR DISSIPATED PRIOR TO LANDING. NO EMERGENCY DOOR SLIDES WERE BLOWN AND NO INJURIES REPORTED. REPLACED CONVERTER ELECTRONICS UNIT ASDR COMA0660691Idg · faultyFLIGHT 5680 - REJECTED TAKEOFF DUE TO NR 2 IDG CAUTION MESSAGE. PERFORMED RTO INSPECTION PART 1 AND REPLACED NR 2 IDG. NO FURTHER DEFECTS.SDR DLM90060984Generator · malfunctionedON DEPARTURE FROM BNA, AIRCRAFT SUFFERED COMPLETE ELECTRICAL POWER LOSS. FLIGHT CREW WAS ABLE TO START THE APU AND RECOVER THE RIGHT BUSS BUT NEVER THE LEFT. LT GEN DISCREPS FWD TO ITEM 5 THIS LOG. FOUND NUMEROUS FAULT LOGGED FOR RT GEN. GEN APPEARS NOT TOSDR COMA0660642Idg · underservicedFLIGHT 4969 - DURING TAKEOFF ROLL RECEIVED A NR 2 IDG CAUTION MESSAGE, ABORTED TAKEOFF AND RETURNED TO THE GATE. SERVICED THE NR 2 IDG WITH OIL.SDR DL76L060922Generator · trippedRTO/RTB - LEFT ENG GENERATOR TRIPPED AT TAKEOFF RUN AT 20KTSA/C TAXIED BACK TO GATE. EICAS MSG T/R UNIT DISPLAYED IAW FIM 24-32-00 PAGE BLOCK 101 FIG 103 SYSTEM TEST OK. ENG RUN CARRIED OUT, NO FAULTS FOUND.SDR QXEA200602761Generator · malfunctionedPDX FLIGHT NR 2147 ON TAXI OUT F/O NOTED AC LOAD OF .35 ON PHASE A WITH NR 2 PROP OUT OF FEATHER AND NR 1 PROP IN FEATHER. TURNED WINDSHIELD HEAT OFF AND NOTED AC LOAD ON PHASE A DROPPED TO .33, BUT PHASE C LOAD WAS AT .36. MAINTENANCE REPLACED THE NR 1 AC GENSDR QXEA200602704Generator · malfunctionedSJC FLIGHT NR 2452: NR 1 AC GEN CAUTION LIGHT ILLUMINATED AFTER ENGINE STARTED WITH BOTH PROPELLERS OUT OF FEATHER AND ALL PITOT STATIC SWITCHES ON. AIRCRAFT RETURNED TO GATE. MAINTENANCE SWAPPED NR 1 AND NR 2 AC GEN GCU IAW AMM TASK 24-21-06-000-801 AND 24-SDR AWXA200601731Generator · leakingPHX - DURING OVERNIGHT MAINTENANCE IT WAS DISCOVERED THAT THE EMERGENCY GENERATOR WAS LEAKING. MAINTENANCE REPLACED THE EMERGENCY GENERATOR IAW AMM 24-24-51.SDR A6WA200640357Adg · unwanted deployAIR DRIVEN GENERATOR AUTO DEPLOYED IN FLIGHT. NO ADVERSE ELECTRICAL MESSAGES. NOTED ADG HANDLE STOWED. FLIGHT LEVEL 370. RESTOWED AIR DRIVEN GENERATOR IAW CRJ AMM 24-23-01 AS REQUIRED. UPLOCK FUNCTIONS NORMALLY. (M)SDR TSAA0624085Idg · malfunctionedETOPS FLT 482 HNLSNA. IN CRUSE FLIGHT, CREW NOTED THE NR 2 GENERATOR (DRIVE) WARNING LIGHT ILLUMINATED. CREW DISCONNECTED THE NR 2 IDG AND COMPLETED THE FLIGHT TO SNA WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 2 IDG IAW MAINTENANCE TASDR QXEA200602602Inverter · inoperativeSEA FLIGHT NR 2214, SECONDARY INVERTER INOP. MAINTENANCE RESET CIRCUIT BREAKER. OPERATIONAL CHECK GOOD AIRCRAFT RETURNED TO SERVICE.SDR ASMF200609007Csd · failedAIRCRAFT RETURNED, DUE TO APU GENERATOR FAILED AT 6,000 FT AND LT ENGINE CSD WAS PREVIOUSLY DEFERRED IAW MEL 24-1-1. APU GENERATOR, LT ENGINE CSD, LT GENERATOR AND LT HEAT EXCHANGER WERE REPLACED IAW MM 20-20-02, 24-10-01, 24-20-00 AND 24-10-03, TESTED CORRECTSDR 2006UALA01801Generator · unknownRETURNED TO IAD DUE TO NR 2 GENERATOR PROBLEM. FOUND OVERFILL PRESSURE FITTING LEAKING OIL. REPLACED FITTING AND SERVICED TO FULL.SDR 2006FA0000991Alternator · inoperativeALTERNATOR CEASED OPERATION WITH ONLY 109 HOURS ON IT IN LIKE NEW CONDITION. (K)SDR 2006FA0000990Brush Holder · wornDURING AC OPERATION, ALTERNATION CEASED PUTTING OUT POWER. UPON INSPECTION AFTER REMOVAL, FOUND FIELD BRUSHES PREMATURELY WORN, AND COCKED OVER IN BRUSH HOLDER. (K)SDR DL76G060730Idg · failedRT AC BUSS FAILURE WITH RT BUSS TIE ISLN LIGHT ILLUMINATED. THIS OCCURRED 5 MIN AFTER RT ENG STARTED. REPLACED NR 2 ENG IDG AND FLUSHED LINES. SERVICED IDG. RAN ENG PER PFHB, VOLTS AND FREQS NORMAL. ISOLATION NORMAL. DISCONNECTED AND RECONNECTED IDG. OPSDR KPVA200617Generator · malfunctioned(PIREP) L TRU AND NR 1 AC GEN LIGHT ILLUMINATED ON TAKEOFF ROLL. (MX) REMOVED AND REPLACED NR 1 AC GENERATOR IAW MM 24-21-00 PG. 201-203. OPS CHECK NORMAL IAW MM 24-21-00 PG. 203.SDR COMA0660530Idg · warning lightFLIGHT 5304 - DURING TAKEOFF ROLL, RECEIVED AN IDG NR 1 CAUTION, ABORTED TAKEOFF AND FLIGHT RETURNED TO THE GATE. SERVICED THE NR 1 IDG.SDR QXEA200602388Generator · malfunctionedRDD FLIGHT NR 2309: NR 1 AC GEN FAIL LIGHT ILLUMINATED. CONDUCTED EMERGENCY CHECKLIST ITEMS. LIGHT REMAINED ILLUMINATED. NO LOAD OBSERVED ON NR 1 AC GEN. MAINTENANCE INTERROGATED CDS AND FOUND AC GEN CHIP DETECTOR FLAGGED AND PERFORMED THE ENGINE INSPECTION ASDR AALA20060619Control Panel · inoperativeSTL IN FLIGHT LOST LT AC BUSS AND LT GENERATOR. HAD ASSOCIATED AC CROSS TIE LOCKOUT. LT SIDE WAS NOT PICKED UP BY THE RT SIDE. SERVICED LT CONSTANT SPEED DRIVE TO PROPER LEVEL AND CHANGED LT BUSS CONTROL PANEL. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSEDSDR GYN2006F00000Alternator · damagedREMOVED ALTERNATOR PN 1100715, SN 5050822, FOR REPLACEMENT DUE TO NO VOLTAGE OUTPUT, INSPECTED ALTERNATOR AND CRANKSHAFT GEARS BEFORE INSTALLING ANOTHER SERVICEABLE ALTERNATOR. FOUND TEETH ON BOTH GEARS DAMAGED BEYOND SERVICEABLE LIMITS. PITTING/FLAKING. THISDR COMA0660494Idg · lack of lubeFLIGHT 5587 - ON TAKEOFF ROLL RECEIVED GEN 2 OFF CAUTION MESSAGE. FOUND NR 2 IDG OIL LOW, SERVICED OIL. NO FURTHER DEFECTS.SDR 2006UALA01575Idg · failedLEFT GENERATOR OFF MESSAGE WITH NO DRIVE LIGHT ILLUMINATED. THIS DISCREPANCY IS ATTRIBUTED TO A FAILED IDG. WHEN APU STARTED EQUIP COOLING FANS FAILED TO COME ON. REPLACED IDG.SDR KPVA200614Generator · inoperativeNR 1 AC GEN LIGHT ILLUMINATED PRIOR TO TAKEOFF. DISCONTINUED AND TAXIED BACK TO TERMINAL. COMPLETED ABNORMAL CHECKLIST, NR 1 AC GEN LIGHT CONTINUED TO ILLUMINATE. (MX) REMOVED AND REPLACED NR 1 AC GENERATOR IAW DH DASH 8 MM 24-12-00 PARAGRAPHS 1A-B, 2A-B, PAGESDR 2006UALA01490Generator · malfunctionedRETURNED TO SFO DUE TO LOSS OF NR 1 GENERATOR. REPLACED CSD. REPLACED THE I/P O/P SEALS/FILTER. NO FAULT FOUND.SDR SIMA200620201Generator · failedORD - FLT 4462 - NR 3 GEN VOLTS WENT TO ZERO. RESET GEN 3 AND THE NR 2 AND 4 GENS WENT OFF LINE. RETURNED TO ORD. (M)SDR QXEA200601841Generator · inoperativeYVR FLIGHT 2143 BOTH AC GENERATORS DROPPED OFF LINE ON TAKEOFF ROLL. FOUND CIRCUIT BREAKER TRIPPED. RESET CIRCUIT BREAKER. COMPLIED WITH FUNCTIONAL CHECKS. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.SDR SB06068Receptacle · burnedDURING CRUISE, EN ROUTE FROM MCO TO PHL, CAPTAIN REPORTED THE LOSS OF BOTH TRANSFORMER RECTIFIERS. THE NR 2 AND NR 3 TRANSFORMER RECTIFIER CIRCUIT BREAKERS WERE TRIPPED. FLIGHT DIVERTED TO CLT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE DUPLICATED FAILSDR QXEA200601751Generator · malfunctionedBOI FLIGHT 2204 NR 2 AC GENERATOR CAUTION. MAINTENANCE REPLACED NR 2 AC GENERATOR AND GCU. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
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