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 AALA20170110023Circuit Breaker · faultyAIRCRAFT WAS GROUNDED. STRONG ELECTRICAL BURNING ODOR AT L1 DOOR WHICH DISSIPATED AFTER ENGINES WERE SHUT DOWN. REMOVED AND REPLACED LEFT GENERATOR CONTROL UNIT(AALA20170110021), LEFT GENERATOR CIRCUIT BREAKER C901(AALA20170110022) AND LEFT BUS TIE BREAKER C90SDR AALA20170110022Circuit Breaker · faultyAIRCRAFT WAS GROUNDED. STRONG ELECTRICAL BURNING ODOR AT L1 DOOR WHICH DISSIPATED AFTER ENGINES WERE SHUT DOWN. REMOVED AND REPLACED LEFT GENERATOR CONTROL UNIT(AALA20170110021), LEFT GENERATOR CIRCUIT BREAKER C901 AND LEFT BUS TIE BREAKER C902(AALA20170110023SDR SWAA2016121410499Panel · defectiveDIVERSION, SHORTLY AFTER LEVELING AT CRUISE, HEARD A POP FOLLOWED BY NR 1 FORWARD AND NR 2 AFT FUEL PUMP LOW PRESSURE LIGHTS ILLUMINATED, AS WELL AS FORWARD LEFT AND RIGHT SIDE WINDOW HEAT OVERHEAT LIGHTS ON. R&R PG1 PANEL PER AMM.SDR KCSA2016121305Static Inverter · failedSTANDBY POWER OFF. REMOVED AND REPLACED MAIN STATIC INVERTER, TESTS GOOD IAW AMM 24-29-01.SDR ASAA2016112218811Circuit Breaker · failedDURING PDC FOUND NR 1 TRANSFER BUS OFF LIGHT ON. NO POWER TO NR 1 BUSS. ACFT GROUNDED. PERFORMED TRANSFER BUSS OFF LIGHT ILLUMINATES FAULT ISOLATION IAW FIM 24-21 TASK 822. FOUND BTB FAULT ON NR 1 GEN CONTROL UNIT. PERFORMED BTB FAULT ISOLATION IAW FIM 24-21SDR ASAA2016101518338Circuit Breaker · failedACFT WILL NOT ACCEPT AC POWER TO TRANSFER BUSS. OFF LIGHT ILLUMINATED RIGHT SIDE. ALSO BATT DISCHARGE LIGHT ILLUMINATED WITH NOSE GEAR WARNING HORN SOUNDING. ACFT GROUNDED. VERIFIED DEFECT UNABLE TO APPLY APU OR EXT POWER ON NR 2 BUSS. NR 2 ENG GENERATOR OPS SDR ASAA2016082717820Electrical Sys · malfunctionedAPU WILL NOT TRANSFER POWER TO LEFT SIDE. A/C TRANSFER BUSS 1 ACCEPTS POWER FROM GP AND GENERATOR 1 WILL NOT ACCEPT POWER FROM APU, SOURCE OFF LIGHT ILLUMINATES. ACFT GROUNDED. T/S SYSTEM, FOUND AUXILIARY POWER BREAKER C803 INOPERATIVE. R & R AUXILIARY POWERSDR ASAA2016082117774Warning Light · false activationLEFT SOURCE OFF LIGHT ILLUMINATED WHEN ESTABLISHING ELECTRICS FROM APU. ACFT GROUNDED. PERFORMED FIM 24-21 TASK 801, NO FAULTS WERE LOGGED. RESTARTED APU. APU START WITH EXTERNAL POWER AND SWITCH CHECKED NORMAL IAW AMM 24-21-00.SDR 2016FA0000373Impeller · damagedDURING INSPECTION, ALTERNATOR IMPELLER RING DISLODGED, RIVETS SHEARED.SDR 9IRR20160808001Motor · leakingAIR TURBINE MOTOR WAS FOUND TO BE LEAKING OIL AT THE IMPELLER CASE DURING POST-INSTALLATION FUNCTIONAL CHECK. UNIT WAS PREVIOUSLY O/H AND RETURNED TO THE SUPPLIER ON A WARRANTY CLAIM FOR THE SAME DISCREPANCY.SDR ASAA2016080217596Circuit Breaker · tripped2 ATTEMPTS TO BRING APU GENERATORS ON LINE, KICKED OFF GROUND POWER AND APU GENERATOR. GOOD VOLTS AND FREQ'S. ACFT GROUNDED. FOUND APU GENERATOR CONT CB ON P6-4 OUT. CHECKED BEHIND P6-4 PANEL FOR CONTAMINATION OR DEFECTS, NONE NOTED. RESET CB REF AMM 20-6SDR MASA201607111252Adg · unwanted deployADG SELF DEPLOYED, MX COMPLIED WITH INSPECTION IAW TASK CARD AND RESTOWED.SDR IPXA2016071305816Rccb · inoperativeBUSS R EMERGERNY AC OFF LEVEL 1 WARNING WITH ASSOCIATED LOSS OF SYSTEMS IN FLIGHT. EMERGENCY DECLARED. R & R RT EMERGENCY AC BUSS FEED RCCB IAW AMM 24-50-01-000-803 & 400-803. OPS TESTED IAW 24-50-01-700-802 & 01-700-802 B138. OPS CHECKED GOOD.SDR FDEA201607062295Unknown · malfunctionedON INITIAL TAKEOFF AT APPROXIMATELY 30 KTS, LT GENERATOR OFF, LT BUSS TIE IS LN. LEFT BUSS OFF, RETURNED TO GATE. RELEASED FOR SERVICE IAW MEL 24-00-01, CATEGORY B EXPIRATION, MEL 24-00-01, LT IDENTIFY LT OR RT, GENERATOR INOPERATIVE. ASSOCIATED IDG DISCONNSDR DALA2016040502665Csd · overservicedCREW NOTED THE LOSS OF ELECTRICAL POWER WHILE CLIMBING OUT. THE RT ENGINE GENERATOR TRIPPED OFF LINE AND WOULD NOT RESET AND THE APU GENERATOR WOULD NOT PICK UP POWER. THE FLIGHT WAS RETURNED. PERFORMED EMERGENCY LANDING AND ALTERNATE GEAR EXTEND. LEFT GENSDR BJNA20160114001Csd · low pressureA MASTER CAUTION WITH AN ELEC ANNUNCIATOR ILLUMINATED ON ROTATION. AS THE ONLY LIGHT THAT WAS ILLUMINATED WAS THE NR 1 CSD WHICH WAS ALREADY IN THE MEL I ELECTED TO WAIT UNTIL WE WERE AT A ALTITUDE A QRH FOR THE ILLUMINATED LIGHT, 2,000 FT. APPROXIMATELY 5 MISDR BJNA20160107001Csd · low pressureDURING CRUISE FLT FL240 NR 1 BUS OFF LIGHT ILLUMINATED. FEW MINUTES LATER CSD LOW OIL PRESSURE LIGHT ILLUMINATED. DISCONNECT CSD IAW QRH AND RETURNED TO DEPARTURE. DURING CRUISE, ENGINE WAS SHUTDOWN IN ERROR, AND RESTARTED AFTER 5 MINS. CSD WAS THEN DISCONNSDR A6WA201543396Control Panel · faultyADG DEPLOYED INFLIGHT ON TAKEOFF AT 2,000 FEET. ENG & APU GENERATORS OPERATED NORMALLY. PILOT REPORTED LANDING UNEVENTFUL, UNDER MAX LANDING WEIGHT & DID NOT DECLARE EMER. PERFORMED VISUAL INSPECTION OF ADG STRUT & HOUSING. REF LP 259734 1 FOR ADG MEL & LP SDR REXA2015120201163Control Panel · malfunctionedLOAD NOISE AFTER TAKEOFF, AFTER GEAR UP SELECTION ADG DEPLOYED, ALL OTHER INDICATIONS NORMAL. FLIGHT 4180 RETURNED TO LAND WITHOUT FURTHER INCIDENT. ATC TOWER DECLARED EMER FOR CREW. R & R AUTO CONTROL PANEL IAW AMM 24-23-15. PERFORMED ELEC WIRING CONTINUISDR HALA2015112200241Oil System · underservicedIDG 2 OIL SYS INOPERATIVE ON ECAM ,ACCOMPLISHED AMM 12-13-24, IDG SERVICING, OK FOR SERVICE.SDR 2015FA0000614Alternator · inoperativePILOTS REPORTED ALTERNATOR NR 2 INOPERATIVE WITH ASSOCIATED CAS WARNING MESSAGE. TROUBLESHOOTING BY MAINTENANCE REVEALED HIGH RESISTANCE OF THE FIELD CIRCUIT OF THE ALTERNATOR WHEN ROTATED, SEEMED ACCEPTABLE WHEN STATIC. PERFORMED FULL FIELD CHECK OF ALTERNATOSDR ASAA2015111613736Valve · failedNR 2 IDG FREQUENT SERVICING, ACFT GROUNDED. PERFORMED IDG STATIC LEAK CHECK, CHECK GOOD, REF MM 24-11-00. BAGGED IDG DRAIN AND RUN ENGINE AT IDLE FOR 10 MIN FOUND NO OIL IN THE BAG FROM THE DRAIN. CHECK FOR LEAKS FROM ALL IDG CONNECTIONS PLUMBING LUBE LINES,SDR ASAA2015111213762Circuit Breaker · failedON ENGINE SHUTDOWN THE NR 1 TRANSFER BUS OFF LIGHT CAME ON. ACFT GROUNDED. ISOLATED TO FAULTY BUS TIE BREAKER C804. R & R C804 BUS TIE BREAKER NR 1 IAW MM 24-21-41. TESTS GOOD IAW SAME. NR 1 GCU CHECKS GOOD IAW INSTRUMENT TEST MM 24-21-81.SDR ASAA2015110913714Circuit Breaker · failedRIGHT TRANSFER BUS OFF, LIGHT ILLUMINATED. RIGHT BUS NOT POWERED. ACFT GROUNDED. R & R BUS TIE BREAKER 2, C805. OPS CK GOOD, REF WDM 24-23-21.SDR ASAA2015110413644Module · failedAIRCRAFT DOES NOT ACCEPT EXTERNAL POWER. ACFT GROUNDED. CONFIRMED FAULT, ACFT WILL NOT ACCEPT EXTERNAL POWER. ACCOMPLISHED FIM 24-41, TASK 804, TROUBLESHOT TO DEFECTIVE "AC SYSTEM GENERATOR & APU MODULE" P5-4 PANEL. R & R P5-4 PANEL REF AMM TASK 24-21-51, GSDR VNAA2015102100014Control Panel · failedCREW REPORTED AIR DRIVEN GENERATOR INADVERTENTLY DEPLOYED DURING TAKEOFF ROTATION. CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, R & R AIR DRIVEN GENERATOR AUTO DEPLOYMENT CONTROL PANEL AND PERFORMED CHECKS IAW AMM. ACFT RELEASDR QMLA2015101015095Knob · inoperativeDEPARTED BASE, APPROX 5 NM FROM HOSPITAL NOTICED THAT THE BACK LIGHTING FOR ALL THE INSTRUMENTS WAS DIMMING. TRIED TO INCREASE THE LIGHTING BUT WAS UNABLE. THE NEXT THING TO HAPPEN WAS THE RADAR ALT. WAS INDICATING 0 FEET & WARNING LIGHT ILLUMINATING, WAS AISDR FDEA201509202901Unknown · malfunctionedDURING CLIMB, LOST DU 1, 2, 3, 4, 6 & HAD NUMEROUS ALERTS, AUTOPILOT & AUTO THROTTLE DISCONNECT & NOT AVAILABLE. EMERGENCY POWER CAME ON. ACFT SEEMED TO BE POWERED BY EMERGENCY POWER ONLY, GEN 2 & 3 OPERATIONAL. GEN 1 DISCONNECTED. STARTED APU WITH NO CHANSDR DALA2015081905027Idg · failedACFT 680, ON TAKEOFF ROLL, NR 2 IDG DROPPED OFF LINE. ABORTED TAKEOFF. PERFORMED BITE OF BPCU IAW FIM 24-20-00-810-802. FAULTS RIGHT IDG. REPLACED RT IDG IAW AMM 24-11-01. TESTS GOOD AND NO LEAKS IAW AMM 71-00 AND 24-11.SDR DALA2015081805029Gcu · odorFUMES AFTER STARTING LT ENGINE START CREW NOTED EICAS RT AC BUS OFF WITH CIRCUIT BREAKER ON P6-1 PANEL ROW G5 POPPED. F/A ALSO SMELLED AN ELECTRICAL ODOR IN AFT CABIN. AFTER APU WAS RESTARTED THE RT AC BUS CAME BACK ON LINE. RETURNED TO THE GATE. REPLACED SDR CALA2015081394215Unknown · malfunctionedELEC BACKUP SYS A FAILURE IN THE BACKUP ELECTRICAL SYSTEM HAS OCCURRED THAT CANNOT BE ATTRIBUTED TO A BACKUP GEN. SATUS MSG 01 LATCHED CRUISE MODE DEPENDENT, BACKUP GEN RT VOLTAGE IS LOW. BACKUP CONVERTER MSG 02 LATCHED CRUISE MODE DEPENDENT, BACKUP GEN LT VSDR ASAA2015072812620Warning Light · false activationSTARTED APU, HAD BLUE LIGHT "APU GEN OFF BUSS" LIGHT UP BUT NO VOLTS OR FREQUENCIES. ACFT GROUNDED. UNABLE TO DUPLICATE DEFECT. STARTED APU, BLUE GENERATOR OFF BUSS LIGHT ON WITH GOOD VOLTS AND FREQUENCIES. GROUND VERIFICATION TEST PASSED IAW MM 24-21-00. SDR CA150724006Relay · failed(CAN) ON TAKEOFF, THE CREW HAD THE NR 2 AC BUS FAIL IN FLIGHT. THE CREW ELECTED TO RETURN TO DEPARTURE WHERE MAINTENANCE COULD ASSESS THE ISSUE. THE ACFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE DISCOVERED DURING TROUBLESHOOTING THAT THE NR 2 INVERTER PSDR AALA20150714003Idg · malfunctionedDURING CRUISE ALL ITEMS ON RT ELEC BUSS FLUCTUATED OFF & ON. EICAS ELEC PAGE SHOWED RT IDG VOLT & FREQUENCY FLUCTUATED RAPIDLY FROM 0 TO 110V. EICAS IDG OVERHEAT MESSAGE THEN CAME ON SCREEN. RT IDG SWITCHED OFF. EMERGENCY DECLARED AND DIVERTED. R & R NRSDR G1IA20150708001Pcb · arcedTHE INST INV WARNING ANNUNCIATOR ILLUMINATED ON SHORT FINAL. TIME OF THIS EVENT WAS APPROX 1445L. APPLIED THE MEMORY ITEM FOR THIS WARNING LIGHT. THE WARNING LIGHT EXTINGUISHED MOMENTARILY THEN REAPPEARED. CONTINUED THE APPROACH & LANDED. THE MEDICS ADVISSDR CA150618003Control Panel · failed(CAN) RETURNED TO THE FIELD. WHEN WEIGHT OFF WHEELS THE ADG DROPPED.SDR AALA20150617011Buss · defectiveAIR INTERRUPT, DIVERTED, NO EMER WAS DECLARED, LANDING WAS UNEVENTFUL & ACFT WAS NOT OVERWEIGHT. NR 2 SOURCE OFF LIGHT ILLUMINATED IN FLIGHT. PRIOR TO SOURCE OFF LIGHT THE NR 1 TR UNIT AMPS WERE FLUCTUATING BETWEEN 5 - 0. THE TR UNIT LIGHT ILLUMINATED INTERSDR JIKA2015061001Diode · defectiveAFTER TAKEOFF, PILOT NOTICED THE LT GEN ANNUNCIATOR ILLUMINATED, PILOT TRIED TO RESET GEN TWO TIMES WITH NO EFFECT. DECIDED TO RETURN AFTER VECTORING BACK PILOT NOTICED A BURNING SMELL. TURNED OFF THE LT GEN SWITCH & LANDED WITHOUT FURTHER INCIDENT. TROUBLSDR CALA2015060493854Contactor · faultyLOSS OF ELEC ESSENTIAL POWER BUSS ON CLIMB OUT. REPLACED 15XE CONTACTOR IAW WD 24-24-06 AS PRECAUTION IAW AMM 24-24-55-401. WIRES CHECKED IAW TSM 24-50-00-810-814-A & BOTH 15XC ,16XC RELAYS REPLACED.SDR ASAA2015052211822Module · malfunctionedBOTH GENERATOR DRIVE ANNUNCIATOR LIGHTS ON OVERHEAD PANEL INOPERATIVE. WILL NOT COME ON WHEN PUSHED TO TEST OR WITH LIGHTS TEST SWITCH. ACFT GROUNDED. UNABLE TO DUPLICATE, VERIFIED 3 DIFFERENT SOURCES OF GROUND & 2 DIFFERENT POWER SOURCES FOR GENERATOR DRIVESDR UIEA2015050500255Relay · faultyLEFT CDU INTERMITTENT UPPER EICAS BLANK. R & R STDBY POWER TRANSFORMER RELAY R7227 IAW AMM 24-29-03 401. OPERATIONS CHECKED OK.SDR EVGR20150427001Switch · brokenTHE BATON OR TOGGLE OF THE ELEC FUEL PUMP SWITCH BROKE OFF IN FLIGHT WHEN THE PILOT ATTEMPTED TO SWITCH IT ON. THE SWITCH FAILED IN THE OFF POSITION. THANKFULLY, THE ENG DRIVEN FUEL PUMP CONTINUED TO RUN & THE ACFT RETURNED TO HOME BASE SAFELY.SDR QMLA2015040915027Generator · malfunctionedDURING REVENUE FLIGHT, PILOT EXPERIENCED GEN FAILURE LIGHT. AFTER VERIFYING SYS WAS INOPERATIVE BY CYCLING GEN SWITCH FROM ON TO OFF, TO ON & NO CHANGE. THEN CHECKED BATTERY LEVEL, ENOUGH VOLTAGE EXISTED TO MAKE THE LAST FEW MINUTES TO THE INTENDED LOCATION SDR 7C7A201503050015Gcu · defectiveDURING CLIMBOUT, THE RT AC BUSS FAILED. CAUTION LIGHTS RT AC, RT TRU, RT ELEVATOR HORN HEAT AND RIGHT STALL WARNING ILLUMINATED. REMOVED AND REPLACED NR 2 ENGINE GCU PERFORMED OPS CHECK OF SYSTEM IAW MM 24-21-01 OPS CHECKED GOOD, OK FOR SERVICE.SDR CA150223028Relay · overheated(CAN) ON FINAL THE "RT RECTIFIER OFF" CAUTION LIGHT ILLUMINATED. ONCE ON THE GROUND, THE MAINTENANCE CREW OPENED THE RT RECTIFIER INSPECTION HATCH, BELOW RT COCKPIT DOOR, A STRONG SMELL ALONG WITH A VERY HOT REVERSE CURRENT RELAY WAS FOUND. THE FAILED REVERSSDR CA150121004Sump · ruptured(CAN) LEFT ENGINE VFG FAILURE IN FLIGHT ASSOCIATED WITH LOST OF ENGINE OIL PRESSURE DOWN TO 25 PSI. CREW FOLLOWED QRH PROCEDURE AND PROCEEDED WITH LEFT ENGINE SHUTDOWN IN FLIGHT. AIRCRAFT LANDED SAFELY. WALK AROUND REVEALED THAT THE GENERATOR OIL SUMP HAD RUPTSDR BQVA20150109001Converter · faultyLEFT AC & LEFT DC POWER FAIL INDICATORS ILLUMINATED.SDR COEA2014102709803Contactor · faultedSHORTLY AFTER TAKEOFF THE NR 1 ACW GEN FAULTED & WOULD NOT RESET. DUE TO ICING CONDITIONS, THE ACFT WAS RETURNED, NO EMER WAS DECLARED. AFTER TROUBLESHOOTING, MAINTENANCE WAS ABLE TO GET THE GEN BACK ONLINE BY REPLACING THE NR 1 ACW CONTACTOR. OPERATIONS CHESDR SWIA201439675Adg · unwanted deployADG DEPLOYED ON WEIGHT OFF WHEELS. ALL OTHER SYSTEMS NORMAL. COMPLIED WITH INSPECTION AFTER ADG - INFLIGHT DEPLOYMENT IAW AMM. INSPECTION CK GOOD. ADG AUTO DEPLOYMENT PANEL FAILED OPS CK. R & R ADG AUTO DEPLOYMENT CONTROL PANEL IAW AMM. OPS CK OF ADG AUTSDR SIMA20141023002Unknown · malfunctionedDURING CLIMB OUT WE HEARD A LOUD CLICKING OF RELAYS BEHIND THE FIRST OFFICER`S SEAT. GEN 2 VOLTAGE SHOWED 27.9, AMPS WERE 0. EMER PILOT LIGHT ON FLIGHT ATTENDANT AUDIO PANEL WAS FLASHING ALONG WITH FLASHLIGHT BLINKING. WE DESELECTED GEN 2 & CLICKING STOPPED.
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