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 02541Alternator · openDURING DESCENT INTO KPDK FROM KJZI, WITH ONE PASSENGER THE NR 1 ALT WARNING LIGHT COME ON. TRIED RESETTING THE SYSTEM DID NOT HELP. PERFORMED LOAD SHEDDING AND LANDED WITHOUT INCIDENT. FOUND NR 1 ALT HAD AN OPEN FIELD IN THE ALTERNATOR ITSELF.Jul 23, 2007 · N675CD · Cirrus SR22SDR QXEA200701212Generator · inoperativeSEA - RIGHT STALL WARNING CAUTION LIGHT FOLLOWED 5 SECONDS LATER BY NR 2 AC GENERATOR CAUTION LIGHT. RAN CHECKLIST, ALL CAUTION LIGHTS OUT. SHORTLY THEREAFTER RIGHT STALL WARNING CAUTION LIGHT FOLLOWED BY NR 2 AC GENERATOR CAUTION. NR 2 AC GENERATOR SWITCH Jul 22, 2007 · N368PH · Dhav DHC8202SDR QXEA200701211Unknown · unknownPSC - DURING INITIAL CLIMB NR 1 AC GENERATOR CAUTION ILLUMINATED. FOLLOWING THE CHECKLIST, THE LIGHT EXTINGUSHED. 90 SECONDS LATER, THE LIGHT RE-ILLUMINATED. A SECOND RESET WAS NOT ATTEMPTED. NR 2 AC GENERATOR LOADS WERE MONITORED AND NO LIMITATIONS WERE EXJul 21, 2007 · N350PH · Dhav DHC8202SDR QXEA200701210Gcu · malfunctionedSEA FLIGHT: NR 1 AC GEN CAUTION ILLUMINATED. RAN ABNORMAL CHECKLIST. LIGHT REMAINED ILLUMINATED. MAINTENANCE REMOVED AND REPLACED NR 1 AC GCU IAW AMM 24-21-06 PAGES 401-405. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Jul 21, 2007 · N408QX · Bombdr DHC8402SDR QXEA200701207Gcu · malfunctionedSEA FLIGHT NR 2348: NR 2 AC GEN WOULD NOT COME ON LINE AFTER START. AIRCRAFT RETURNED TO BLOCK. MAINTENANCE PERFORMED RETRIEVAL OF DATA FROM EPCU. FOUND CODE 28 2AC GCU. REMOVED AND INSTALLED SERVICEABLE NR 2 AC GEN GCU IAW Q400 AMM 24-21-06-000-801 AND 24Jul 21, 2007 · N430QX · Bombdr DHC8402SDR VNAA0707011Adg · damagedCREW REPORTED THE ADG DEPLOYED IN FLIGHT WITH NO CAUSE. MAINTENANCE REMOVED AND REPLACED THE ADG IAW THE AIRCRAFT MM. OPERATIONAL CHECKS WERE PERFORMED AND CHECKED GOOD. AIRCRAFT WAS RELEASED FOR SERVICE.Jul 19, 2007 · N253PS · Cndair CL6002B19SDR COMA0760477Idg · malfunctionedFLIGHT 5609 - DURING TAKEOFF ROLL RECEIVED AN IDG NR 1 CAUTION. ABORTED TAKEOFF AND RETURNED TO THE GATE. DEFERRED NR 1 IDG PER MEL 24-11-01-1.Jul 15, 2007 · N811CA · Cndair CL6002B19SDR HALA0700286Fitting · leakingETOPS SIGNIFICANT SYSTEM, R GEN DRIVE LIGHT CAME ON APPROACH, TURNED ON APU. PERFOMED BPCU BITE PER FIM 24-20-00. ALL ELECTRICAL SYSTEMS CHECK GOOD. NO FAULTS. FOUND IDG OVERFLOW SERVICE FITTING LEAKING. REPLACED SERVICE AND OVERFLOW SERVICE ADAPTERS PER Jul 14, 2007 · N582HA · Boeing 76733ASDR HALA0700284Idg · inoperativeETOPS SIGNIFICANT SYSTEM, RIGHT IDG OUT AND RISE TEMPERATURES VARY RAPIDLY AND ERRATICALLY FROM 0 TO 140. SERVICED RT IDG TO PROPER LEVEL. NO MSG ON BPCU. RAN ENG, OPS NML PER FIM 24-20-00.Jul 14, 2007 · N581HA · Boeing 76733ASDR CA070709002Generator · inoperative(CAN) AT THE END OF EXTENSIVE POST BLOCK CHECK GROUND RUNS; THE NR 2 ENG GEN FELL OFF LINE AND NR 1 TRU AND AC BUS FELL OFF LINE; TRIED TO POWER BACK AND RESET IT WAS NOTICED THAT THE AC GEN CAUTION LIGHT WAS NOT SHOWING. SO THE AIRCRAFT WAS SHUTDOWN AND AFTERJul 7, 2007 · Dhav DHC8301SDR DL76L070885Housing · crackedAPU A/C GENERATOR HOUSING CRACKED, LEAKING OIL FROM 12 O`CLOCK POS. REPLACED APU A/C GEN PER MM, SYSTEM TEST OK PER MM MFG P/N727810B.Jul 6, 2007 · N176DN · Boeing 767332SDR AALA20071241Gcu · faultedJFK - LEFT GENERATOR FAILED IN FLIGHT. AUXILLIARY POWER UNIT WOULD NOT START. LANDED JFK WITHOUT INCIDENT. FLIGHT WAS OVERWEIGHT. REPLACED GENERATOR CONTROL UNIT. SYSTEM GROUND CHECKED NORMAL OPERATION.Jul 5, 2007 · N11060 · Airbus A300B4605RSDR 2007UALA02417Idg · malfunctionedEICAS MSG LT GEN DRIVE DISPLAYED. GEN DRIVE LIGHT ILLUM. GEN DRIVE DISCONNECTED. [08-08-07] RED DPI POPPED ON IDG. APU OIL SVC'D TO FULL. REPLACED NR 1 ENG IDG.Jul 4, 2007 · N538UA · Boeing 757222SDR 2007UALA02361Module · brokenA-C FAILS STANDBY POWER TEST WHEN SWITCH PLACED FROM OFF TO AUTO POSITION. REPLACED P5-5 MODULE, GEN DRIVE AND STBY PWR MODULE.Jul 2, 2007 · N370UA · Boeing 737322SDR 2007FA0000635Alternator · failedUPON RECEIPT OF CURRENT ALTERNATOR, NOTICED THAT SLIP-RING HOUSING WAS CLOCKED 180 DEGREES OUT OF ALIGNMENT OUT OF THE BOX. THIS PLANE HAS HAD SEVERAL REPAIRED ALTERNATORS INSTALLED ON IT. THE MOST RECENT ALTERNATOR HAD ONLY 131.1 HOURS BEFORE IT FAILED AND Jun 29, 2007 · N769PC · Cirrus SR22SDR 2007FA0000691Alternator · failedAC ARRIVED AT 1R4 WITH A FAILED ALTERNATOR. SYSTEM WAS TESTED TO CONFIRM THAT THE ALTERNATOR WAS THE PROBLEM. ON 6/25/07 THE ALTERNATOR IN QUESTION WAS REMOVED FROM THE AC. UPON REMOVING THE ALTERNATOR THE TECHNICAN FOUND THE SAFETY LOCK WIRE FOR THE ALTERNJun 25, 2007 · N232AF · Cessna 182TSDR QXEA200701037Generator · intermittentSEA FLIGHT 2332: THE NR 2 AC GENERATOR LIGHT COMES ON INTERMITTENTLY. AIRCRAFT RETURNED TO BLOCK. MAINTENANCE REMOVED AND REPLACED THE NR 2 AC GENERATOR IAW Q400 TASK CARD 6242101. SYSTEM OPS CHECK GOOD IAW Q400 AMM 24-21-00-710-801. AIRCRAFT RETURNED TO SJun 24, 2007 · N400QX · Bombdr DHC8402SDR 2007UALA02069Idg · inoperativeNR 1 IDG INOP, AND APU AUTO SHUT DOWN AT DEPARTURE. REPLACED FUEL/OIL HEAT EXCHANGER FOR IDG NR 1 AND ALSO REPLACED IDG NR 1 AS A PRECAUTION. NO APU HISTORY.Jun 15, 2007 · N418UA · Airbus A320232SDR HALA0700256Alternator · malfunctionedETOPS SIGNIFICANT SYSTEM, L ENG CONT EICAS MSG AFTER ENGINE START SHUT DOWN AND RE-STARTED ENGINE AND MESSAGE DID NOT RE-APPEAR. RESEATED L ENG N2 SPEED CARD PER MM 77-12-01-004. TESTED OK, RAN ENG, L ENG EEC MODE MSG APPEARED WITH CORRESPONDING L ENG ALTN CJun 15, 2007 · N580HA · Boeing 767300SDR 2007FA0000526Terminal · loose217 HOURS AFTER OVERHAUL, THE OUTPUT TERMINAL BECAME LOOSE IN THE BUSS STRAP INSIDE THE ALTERNATOR, CAUSING COMPLETE FAILURE. LIKELY THIS FIT (NORMALLY A PRESS FIT) WAS NOT AS TIGHT AS IT NEEDED TO BE WHEN THIS UNIT LEFT KELLY.Jun 15, 2007 · Piper PA28180SDR QXEA200700900Gcu · malfunctionedSEA FLIGHT NR 2396: NR 2 AC GEN LIGHT ILLUMINATED. AIRCRAFT RETURNED TO FIELD. MAINTENANCE REMOVED AND REPLACED THE AC GENERATOR (PN 28B555-1, S/N 071C0358) IAW Q400 AMM 24-21-01, PAGES 401-410. NO HELP NOTED. REMOVED AND REPLACED AC GENERATOR GCU IAW Q40Jun 7, 2007 · N424QX · Bombdr DHC8402SDR 2007UALA01790Idg · faultedELEC GEN DRIVE L LEFT IDG FAULT. [07-06-07] REPLACED IDG PER MM 24-11- 01, SUBSEQUENT VERIFICATION FLIGHT CONFIRMED CORRECTION OF PREVIOUS PROBLEM. AIRPLANE OK FOR ETOPS.Jun 2, 2007 · N211UA · Boeing 777222SDR CA070601002Adg · deployed(CAN) ADG DEPLOYED AS THE LANDING GEAR WAS SELECTED UP. THE FLIGHT RETURNED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOOTING WAS CARRIED OUT AND THE ADG AUTO DEPLOY CONTROLLER WAS REPLACED AND TESTED SERVICEABLE. THE ADG WAS INSPECTED VISUALLY IAW MFG AND IS TOMay 31, 2007 · Cndair CL6002B19SDR 2007UALA01744Generator · failedFLIGHT DIVERTED DUE TO LOSS OF NR 2 GENERATOR. [08-07-07] RT GENERATOR DRIVE DISC LIGHT ILLUMINATED WITH EICAS MSG. REPLACED RIGHT GCU. RESET DRIVE DISC AND SERVICED IDG AS PRECAUTIONARY.May 31, 2007 · N596UA · Boeing 757222SDR 07FDEA02005Control Unit · failedAT APPROX 00:00Z GOT A MASTER WARNING LT W/A LEVEL 1 EMERGENCY POWER ON ALERT. COMPLIED W/QRH. SELECTED EMERGENCY POWER SWITCH TO OFF. GOT LVL 1 L EMERGENCY AC BUSS ALERT. SELECTED EMERGENCY POWER SWITCH BACK TO ARM , STILL HAD EMERGENCY POWER ON LEVEL ONMay 25, 2007 · N605FE · Doug MD11SDR QXEA200700832Generator · malfunctionedSEA FLIGHT NR 2104, AFTER PUSHBACK AC GENERATOR CAUTION LIGHT ILLUMINATED. RAN CHECKLIST. STILL LOAD 0 BUT SHOWED OUTPUT ON PANEL OF 113 VOLTS. REPLACED NR 2 AC VARIABLE FREQUENCY GENERATOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.May 23, 2007 · N364PH · Dhav DHC8202SDR QXEA200700821Generator · malfunctionedPDX FLIGHT NR 2149 - DURING TAKEOFF, NR 1 AC GENERATOR CAUTION ILLUMINATED AFTER CYCLING NR 1 AC GENERATOR PER CHECK LIST NR 1 STALL WARNING CAUTION ILLUMINATED THEN WENT OUT. THEN NR 1 AC GENERATOR CAUTION ILLUMINATED AGAIN. MAINTENANCE REPLACED THE NR 1 ACMay 19, 2007 · N353PH · Dhav DHC8202SDR CA070514031Transformer · open(CAN) DURING CRUISE, THE LT AC BUS FAILED WITH THE LOSS OF ASSOCIATED SYSTEMS. THE CONCERN WAS BEING ABLE TO START THE APU. FLIGHT DECLARED A PAN-PAN WITH ATC AND BEGAN DIVERSION. AT FL 350, 2 APU START ATTEMPTS, BUT START WAS ACHIEVED ONLY AT FL150. IAW CMay 12, 2007 · Boeing 767233SDR 2007UALA01463Idg · failedCREW REPORTS RIGHT GENERATOR FAILURE. APU BEING USED & APU INLET DOOR OPEN. APU AUTO SHUTDOWN AT 16500 FT 310K & AGAIN AT 14500 FT 250K IDLE POWER. [SUP 06-06-07] NR 2 ENGINE IDG WAS REPLACED, BUT CAUSE OF W-U WAS APU AUTO SHUTDOWN. AFTER TROUBLESHOOTING,May 10, 2007 · N209UA · Boeing 777222SDR HNAA0700086Inverter · unknownSECONDARY INVERTER CAUTION LIGHT AND RIGHT 26VOLT CAUTION LIGHT ILLUMINATED ASSOCIATED WITH SMOKE IN COCKPIT. MEL INVERTERS. REPLACED SECONDARY INVERTER, OPS CHECK GOOD.May 9, 2007 · N804EX · Dhav DHC8102SDR HALA0700203Gcu · malfunctionedATB-EICAS MSG, LT GEN OFF DISPLAYED LT GEN OFF LIGHT ILLUMINATED. GENERATOR SWITCH RESET DID NOT CORRECT CONDITION. ACCOMPLISHED BIT IAW 24-20-00 BPCU FAULTED IDG OUT BULB WIRING AND DP TRIP/MAIN BUSS OVERLAP ZONE. REMOVED AND REPLACED LEFT GCU. IDG OUT MSMay 8, 2007 · N594HA · Boeing 767332SDR SWIA200718223Shunt · overheatedFIRST OFFICERS RELAY PANEL IS TOO HOT TO TOUCH, ALONG WITH A BURNING ODOR ON FLIGHT DECK. FOUND APU GENERATOR SHUNT/RELAY TO BE OVERHEATING. FOUND BOTH TERMINALS ON RELAY TO BE LOOSE. SECURED TERMINALS. OPS CHECK GOOD.May 5, 2007 · N293SW · Emb EMB120ERSDR QXEA200700649Circuit Board · inoperativeSEA FLIGHT NR 2044 ON TAXI OUT AUX INVERTER LIGHT ON (INVERTER INOP). MAINTENANCE REPLACED THE AUX INVERTER CONTROL CIRCUIT BREAKER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Apr 21, 2007 · N348PH · Dhav DHC8202SDR 2007UALA01240Transformer · shortedELECTRICAL POWER PROBS CAUSED RTFL. REPLACED CURRENT TRANSFORMER T9000. REF WDM25-31-12, WDM25-31-13, WDM33-31-13 & WDM33-27-12. RELUGGED WIRE (32-16) AT C9010 W12 DUE TO HEAT DAMAGE. PERFORMED LOAD TEST AND LOAD SHED TEST OPS CHECKS NORMAL REF GNMM02-0-21Apr 20, 2007 · N662UA · Boeing 767322SDR 2007FA0000361Coupling · wornALTERNATOR DRIVE COUPLING WAS WORN AND SEVERELY LOOSE WITH EXCESSIVE PLAY DUE TO SOFT, UNDERCUT BUSHINGS PN 632050. IN ADDITION, THE DRIVE HUB KEY WAY WAS SEVERELY WORN CAUSING EXCESSIVE PLAY OF THE HUB ON THE SHAFT. CONTINUED OPERATION WOULD RESULT IN DRIVEApr 19, 2007 · N63332 · Cessna 150MSDR QXEA200700640Inverter · malfunctionedYVR FLIGHT NR 2127 - AUX INVERTER POWER CIRCUIT BREAKER ACCOMPANIED BY ELECTRICAL ODOR IN COCKPIT. MAINTENANCE REPLACED AUX INVERTER IAW AMM. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.Apr 18, 2007 · N357PH · Dhav DHC8202SDR DL76G070336Idg · malfunctionedWHEN PUSHING UP THROTTLES FOR T/O LEFT GEN DROPPED OFF, LT BUSS ISOLATION AND TRU MESSAGE. RETURNED TO BLOCKS. MTC IN PROGRESS. SWAPPED TO 1601. MEGGED FEEDER CABLES CKD OK. CHANGED IDG. RAN ENG UP TO 90 PCT N1. LOADED GEN TO 75 PCT LOAD. ALL OPS NORMAApr 17, 2007 · N173DZ · Boeing 767332SDR QXEA200700519Generator · failedPDX FLIGHT NR 2356: AFTER PUSHBACK AND CONDITION LEVER AT 1020, NO LOAD ON NR 2 AC GEN. NR 2 AC GEN LIGHT STAYED ILLUMINATED. MAINTENANCE REMOVED AND INSTALLED FROM STOCK NR 2 POSITION AG GENERATOR IAW MTC 6242101. OPS CHECKED GOOD. LEAK CHECK WAS GOOD. AApr 5, 2007 · N409QX · Bombdr DHC8402SDR P5CA0701521Idg · failedELEC BUSS ISLN 4, NO LAND 3, ENG 2&3 REV, ELEC GEN 2, NR 1 CDU INTERMITTENT. REPLACED NR 2 IDG PER MM 24-11-01 AND REPLACED NR 2 GCU PER MM 24-23-01. OPS CHECK NORMAL. IT IS BELIEVED THAT NR 2 GEN WAS CAUSING ALL OTHER INDICATIONS TO FLUCTUATE. GCU P/N 746Apr 3, 2007 · N454PA · Boeing 74746NFSDR DLM88070277Generator · malfunctionedAT 1000 FT AGL BOTH ENG GENERATORS WERE PROVIDING INTERMIT POWER. BOTH SIDES PFD AND ND WERE FLASHING ON AND OFF WITH THE PWR CYLING. THIS WAS HAPPENING EVERY 1-2 SECS. CAPTS SIDE SWITCHED TO STBY PWR TO REGAIN INST. THE F/O SIDE CONTINUED TO FLICKER AFTERMar 31, 2007 · N992DL · Doug MD88SDR SWAA071667Generator · faultedDIVERSION, EQUIPMENT COOLING OFF LIGHT ILLUMINATED AT FL 350, SWITCHED TO ALTERNATE PER QRH. F/A REPORTED HOT ELECTRICAL ODOR, NO SMOKE IN CABIN. NR 1 GEN SHOWING LOW VOLTS AND FREQS, PUT APU ON BUSS NR 1 SIDE. REMOVED AND REPLACED NR 1 GEN AND EQUIPMENT COMar 31, 2007 · N373SW · Boeing 7373H4SDR ASTAR20070017Generator · failedNR 4 GEN HAD TO BE RESET AFTER ENG START BEFORE IT CAME ON LINE. WITHIN 2 MIN OF PARALLELING GENS, AND PULLING OUT OF THE BLOCKS, NR 4 GEN UNPARALLELED LIGHT ILLUM. ABNORMAL PROC WAS COMPLETED, RESTORING NR 4 GEN TO THE PARALLELED STATUS. WITHIN 2 MIN OF REMar 24, 2007 · N805DH · Doug DC873SDR AALA20070521Gcu · inoperativeON APPROACH INDICATION SHOWED OIL PRESSURE FOR NUMBER ONE ENGINE DROPPING. CREW SHUT LEFT ENGINE DOWN AT ABOUT 16 POUNDS PER SQUARE INCH. LANDED TUL WITHOUT INCIDENT. SINGLE ENGINE TIME APPROXIMATELY THREE MINUTES. REPLACED BLEED VALVE CONTROL UNIT AND BOTMar 21, 2007 · N606AA · Boeing 757223SDR 2007UALA00791Idg · leakingRTFL DUE TO A IDG LOW OIL PRESSURE PROBLEM. [SUP 06-01-07] REPLACED NR 1 IDG. AT OVERHAUL, FOUND A LEAKING SEAL THAT WAS ALLOWING FLUID TO ESCAPE THE SYSTEM.Mar 16, 2007 · N401UA · Airbus A320232SDR QXEA200700375Generator · inoperativeSEA FLIGHT NR 2348: NR 1 AC GEN, AFTER START, COULD NOT RESET. MAINTENANCE REMOVED AND REPLACED NR 1 AC GEN IAW MTC 6242101. OPS CHECK GOOD. LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Mar 14, 2007 · N400QX · Bombdr DHC8402SDR COMA0760238Idg · underservicedFLIGHT 5576 - GEN NR 2 DROPPED OFF LINE AS AIRCRAFT BEGAN TAKEOFF ROLL, ABORTED TAKEOFF. SERVICED NR 2 IDG, OPS CHECK GOOD.Mar 8, 2007 · N927CA · Cndair CL6002B19SDR VNAA0703003Oil System · lowCREW REPORTED A NR 2 IDG CAS MESSAGE ON TAKEOFF ROLL. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND THE IDG NR 2 OIL LEVEL LOW. MAINTENANCE PROPERLY SERVICED THE OIL LEVEL IAW MM. AIRCRAFT WAS RELEASED FOR Mar 4, 2007 · N251PS · Cndair CL6002B19SDR UIEA200700091Csd · leakingDIVERSION TO JFK WHILE AIRCRAFT WAS EN ROUTE TO PIK FROM CHS. AT LEVEL OFF AT FL 33.0 #3 ENGINE OIL QTY DROPPED TO 2 GALLONS. 15 MIN LATER DROPPED TO 0.5 GALLONS. ENGINE POWER REDUCED TO IDLE. REINSTALLED PREVIOUSLY DEFERRED GENERATOR AND REPLACED THE CSD.Feb 26, 2007 · N523MC · Boeing 7472D7BSDR CA070312009Alternator · failed(CAN) LT ALTERNATOR FAILED AT CRUISE, FAULT-FIELD POWER FUSE BLOWER. RT ALTERNATOR FAILED/NOT ON LINE, FAULT, BAD ALTERNATOR MASTER SWITCH OR NOT ON. RT INOP ALTERNATOR SWITCH/RELAY FAILED SO NO COCKPIT INOP LIGHT. AC CONTINUED FLIGHT ON BATTERY POWER TO DEFeb 20, 2007 · Piper PA31350SDR ASMF200702006Unknown · unknownCAPTAIN REPORTED THAT A GEN LOW AND TAIL COMP TEMP HIGH LIGHTS TURNED ON. DURING MAINTENANCE CHECK, THE TAIL CONE COMPARTMENT WAS DETECTED WITH HIGH TEMPERATURE AND THE FIRE EXTINGUISHER CONTAINER ACTIVATED. AIRCRAFT WAS SENT TO THE HANGAR AND RT FIRE EXTINGUIFeb 15, 2007 · N803ML · Doug DC987
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