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 QXEA200500147Generator · inoperativeNR 1 AC GEN CAUTION LIGHT ON CLIMBOUT. RECYCLED NR 1 AC GEN SWITCH CAUTION LIGHT REMAINED ILLUMINATED. LEFT SWITCH IN OFF POSITION PER EMERGENCY CHECKLIST. MAINTENANCE INTERROGATED EPCU AND FOUND FAULT CODE 27. REPLACED NR 1 AC GCU, NO HELP. REPLACED NR 1Jan 31, 2005 · N403QX · Bombdr DHC8401SDR QXEA200500146Generator · inoperativeSMF - ON FLIGHT 2415, ON SHORT FINAL RECEIVED A -R AC BUS- AND -NR 2 AC GEN- CAUTION LIGHT, RAN CHECKLIST, UNABLE TO CORRECT THE NR 2 AC GEN CAUTION LIGHT BUT THE R AC BUS CAUTION LIGHT WENT OUT. MAINTENANCE REMOVED AND REPLACED THE NR 2 AC GEN. OPERATIONAL Jan 30, 2005 · N407QX · Bombdr DHC8401SDR ENHA0507Alternator · failedREMOVED DUE TO CB POPPING FREQUENTLY.Jan 27, 2005 · N8NZ · Cessna T207ASDR UIA0501Gcu · malfunctionedDURING TAKEOFF (R AC BUSS) CAUTION LIGHT ON, A/C ABORTED TAKEOFF. CHECK FOUND RT GCU MALFUNCTIONED, IAW AMM 24-21-01 REPLACED THE GCU AND ENG RUNUP CHECK AC SYSTEM BACK NORMAL.Jan 23, 2005 · N15225 · Dhav DHC8311SDR ENHA0508Alternator · inoperativeALTERNATOR INOPERATIVE.Jan 20, 2005 · N9973M · Cessna 207ASDR QXEA200500111Warning Light · illuminatedYYC - FLIGHT 2331 - AFTER ENGINE START, NR 2 AC GENERATOR CAUTION CAME ON. MAINTENANCE RESET AC GENERATOR IAW EMERGENCY AND ABNORMAL CHECKLIST. NR 2 AC GENERATOR CAUTION EXTINGUISHED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.Jan 18, 2005 · N405QX · Bombdr DHC8401SDR CA050115001Idg · inoperative(CAN) LOSS OF BOTH IDGS ON APPROACH FOLLOWED BY AN ADG DEPLOYMENT. NO PROBLEM WAS REPORTED WITH THE ADG. FLIGHT CREW DECIDED TO ABORT THE APPROACH. EMERGENCY WAS DECLARED. THE CREW DECIDED TO START DE APU TO POWER THE AIRCRAFT BUSES. THE AIRCRAFT LANDED. THJan 11, 2005 · Cndair CL6002B19SDR 2005UALA00049Csd · overservicedDIVERTED TO SLC DUE TO ELECTRICAL PROBLEMS. FOUND CSD OVERSERVICED WITH OIL. CHECKED CSD CHIP DETECTOR, ALL DIFF. PRESSURE INDICATORS, ALL OK. SERVICED OIL TO PROPER LEVEL. RAN ENGINE AT IDLE. RESIDUAL VOLTS=19, FREQS 400, 119 VOLTS ALL NORMAL. GENERATOR OPS.Jan 10, 2005 · N921UA · Boeing 737522SDR QXEA200500060Gcu · inoperativeMFR - NR 1 AC GENERATOR CAUTION LIGHT ILLUMINATED UNABLE TO RESET PER ABNORMAL CHECKLIST. MAINTENANCE REMOVED AND REPLACED NR 1 AC GCU AND GENERATOR. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.Jan 10, 2005 · N413QX · Bombdr DHC8401SDR WX0500005Csd · overservicedCUN - CREW REPORTED LEFT CSD OIL ANNUNCIATOR ILLUMINATED ON CLIMB-OUT WITH LEFT CSD INDICATOR AT RED LINE. CREW REDUCED THRUST, INDICATION DROPPED BETWEEN YELLOW ARCS, THEN RIGHT CSD OIL ANNUNCIATOR ILLUMINATED AND RIGHT CSD INDICATOR AT RED LINE. DURING DESJan 8, 2005 · N861GA · Doug DC983SDR ENHA0506Alternator · failedALTERNATOR FAILED.Dec 30, 2004 · N78GA · Piper PA31350SDR ENHA0505Alternator · damagedAMMETER SHOWS DISCHARGE, ALT INOP.Dec 27, 2004 · N4265Q · Cessna 172LSDR MWEA040222Pcdu · inoperativeAFTER BOTH ENGINES WERE STARTED AND AUXILIARY POWER UNIT WAS SHUT DOWN BOTH GENERATORS CAME OFF LINE. REMOVED AND REPLACED LEFT AND RIGHT POWER CONVERSION AND DISTRIBUTION UNIT.Dec 19, 2004 · N919ME · Boeing 717200SDR C8GA20040026Connector · looseFLT 737 FROM GDL TO MTY, ON TAKEOFF ROLL, NR 2 GENERATOR SHOWED UNDERVOLTAGE WITH ASSOCIATED THREE LIGHT TRIP. ABORTED TAKEOFF AND RETURNED TO GATE WITHOUT INCIDENT. DEFERRED NR 2 GENERATOR UNDER MEL 24-1. AIRCRAFT RETURNED TO SERVICE. TWO LEGS LATER IN TODec 14, 2004 · N286SC · Boeing 7272A1SDR RAIA00412014Gcu · malfunctionedSTL - RT GEN FELL OFF LINE. MAINTENANCE REMOVED AND REPLACED GENERATOR CONTROL UNIT.Dec 12, 2004 · N566HK · Jetair JETSTM4101SDR 2005FA0001298Alternator · failedOVERHAULED ALTERNATOR FAILED IN FLIGHT AFTER 351 HOURS IN SERVICE.Dec 9, 2004 · N732YK · Cessna T210MSDR DL777041079Case · crackedELEC GEN OFF RIGHT EICAS MESSAGE IN FLIGHT WITH GEN DRIVE RIGHT EICAS MESSAGE. FOUND RT IDG CASE SHATTERED AND ZERO OIL. REPLACED IDG AND RAN ENG PER PFHB TEST 1 AND 2. ALL NORMAL.Dec 4, 2004 · N865DA · Boeing 777232SDR S2YA04043Alternator · inoperativeDURING CLIMB OUT, THE CREW RECEIVED A LT ALTERNATOR FAIL CAS MESSAGE. THE CREW PERFORMED AN AIR-TURN-BACK. MX REPLACED THE LT AC ALTERNATOR. THE AC WAS RETURNED TO SERVICE WITH NO FURTHER DEFECTS. (K)Nov 23, 2004 · N356SK · Dorner DO328300SDR DL757041054Inverter · smokeFLT 1870 ATL-GSP REPORTED SMOKE/HAZE IN THE CABIN AND AT THE SAME TIME THE STBY INVERTER STATUS MSG DISPLAYED ON THE EICAS SYSTEM. UPON ARRIVAL GSP THE CONTRACT MECH CONFIRMED A STRONG ODOR IN THE FWD E/E COMPARTMENT AND NOTED THAT THE STBY INVERTER WAS DEFINNov 23, 2004 · N629DL · Boeing 757232SDR 0411002Csd · overtempDURING CLIMB, THE NR 1 CSD HIGH OIL TEMP LIGHT ILLUMINATED.Nov 18, 2004 · N737TW · Boeing 737230CSDR COE2004F00001Alternator · failedON CLIMB OUT, RT ALTERNATOR FAIL LIGHT CAME ON. AIRCRAFT RETURNED TO DEPARTURE. NO EMERGENCY WAS DECLARED. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED RT ALTERNATOR. AIRCRAFT WAS RETURNED TO SERIVCE.Nov 3, 2004 · N702FE · Fokker F27MK600SDR ENHA0504Alternator · damagedALTERNATOR HAS WEAK OUTPUT.Nov 1, 2004 · N417PM · Piper PA31350SDR ENHA0503Alternator · damagedCOOLING FINS LOOSE.Oct 31, 2004 · N4265Q · Cessna 172LSDR DL757040989Chip Detector · crackedEICAS MSG LEFT GENERATOR DRIVE DISPLAYED. SERVICED OIL. REPLACED CRACKED CHIP DETECTOR.Oct 25, 2004 · N607DL · Boeing 757232SDR COE2004F00002Relay · burnedENROUTE, PILOT REPORTED THE STANDBY ELECTRIC POWER (ON) AND (INOP) ANNUNCIATOR LIGHTS ILLUMINATED. STANDBY POWER SYSTEM WAS INOPERATIVE. PILOT REPORTED SMELLING SMOKE. NO EMERGENCY WAS DECLARED, HOWEVER, THE EMERGENCY EQUIPMENT RESPONDED. AIRCRAFT LANDED Oct 23, 2004 · N705FX · Cessna 208BSDR ENHA0502Alternator · failedLOW VOLTAGE LIGHT ON. NO AMP OUTPUT.Oct 22, 2004 · N207DF · Cessna 207ASDR MALA040616Generator · inoperativeLT AC GENERATOR INOPERATIVE. AIR RETURNED. MAINTENANCE REPLACED LT AC GEN PN ON OFF 31342-003 SN OFF 99042 SN ON 99041 IAW JOB CARD 242102 NO FIX. REMOVED AND REPLACED LT AC GCU PN ON OFF 51634-002, SN OFF 514 SN ON 490 IAW AMM 24-21-01. OPS CHECKS GOOD.Oct 16, 2004 · N442XJ · Saab 340BSDR 2008FA0000714V-Belt · departedPILOT REPORTED LOSS OF ELECTRICAL POWER IN CRUISE FLIGHT DURING NIGHT VFR. V-BELT OBSERVED MISSING FROM ACCESSORY CASE ABSENT FROM ALTERNATOR PULLEY. V-BELT APPARENTLY LOST IN FLIGHT THROUGH OPENING IN LOWER COWLING. OWNER REPORTS THAT ONLY 25-30 HOURS WAS PUTOct 9, 2004 · N55FL · Beech 35C33SDR AMTA200401269Gcu · failedLEFT GEN OFF, FOR T/S SWAPPED APU GCU P/N 734284F, S/N 6094 WITH LEFT ENGINE GCU P/N 734284F S/N 5859 BY EMPLOYEE NR 120887. PRESENT POSITION APU GCU S/N 5859, L ENGINE GCU S/N 6094. (M)Oct 9, 2004 · N552TZ · Boeing 75733NSDR 2004UALA00926Idg · vibrationDIVERTED WHEN LEFT ENGINE INDICATED IDLE FUEL FLOW AND IDLE THRUST. SHOP FOUND LOG PISTON FAILURE ON REMOVED LT IDG. CORRESPONDENCE BETWEEN COMPONENTS ENGINEERING, POWER PLANT ENGINEERING, SUNDSTRAND, AND PWA, INDICATES THERE IS A POTENTIAL ANOMALY FOR A WOROct 8, 2004 · N657UA · Boeing 767322SDR RO12004F00000Brushes · misinstalledTHIS IS THE 3RD OCCURRENCE OF ALTERNATOR FAILURE IN NEW MFG ALTERNATORS. EACH TIME ONE OF THE FIELD BRUSHES WAS FOUND INSTALLED WITH THE WIRE TOWARD THE SLIP RING (BACKWARDS). THIS IS THE 2ND M AND D REPORT SUBMITTED REGARDING THIS SAME INCIDENT. NEED TO INOct 4, 2004 · N3555L · Cessna 172SSDR P5CA0401228Gcu · malfunctionedAFTER SWITCHING FROM APU TO SHIPS POWER RECEIVED EICAS MSG (ELEC GEN OFF 1), (ELEC GEN OFF 2), (ELEC GEN OFF 3). SWAPPED NR 1 AND NR 2 GCU, RECYCLED C/B'S, ENGINE START NORMAL IAW AMM 71-00-00.Sep 22, 2004 · N454PA · Boeing 74746NFSDR SB04129Relay · unreliableCLT - FLT 1183 - FLIGHT DEPARTED CLT WITH THE NR 1 GENERATOR ON MEL 24-1. ON CLIMB-OUT, EN ROUTE TO MYR, CREW REPORTED, LOST THE LEFT TRANSFER BUSS. CREW ACCOMPLISHED QUICK REFERENCE HANDBOOK PROCEDURES AND RETURNED TO FIELD AT CLT. TRANSFER BUSS CAME BACK Sep 20, 2004 · N440US · Boeing 7374B7SDR MASA200400521Idg · leakingASH 6311 SBP-PHX - ABORTED TAKEOFF DUE TO GEN 1 OFF LINE AND IDG CAUTION MESSAGE. MX FOUND THE IDG LOW ON OIL AND DISCONNECTED IT AND PLACED IT ON MEL. 9/13/04 MAINTENANCE REMOVED AND REPLACED THE IDG.Sep 11, 2004 · N37228 · Cndair CL6002B19SDR ENHA0501Alternator · failedFIELD OPEN. UNIT FAILED.Sep 10, 2004 · N9651M · Cessna 207ASDR VNAA0408015Gcu · failedDURING TAKEOFF, THE CREW RECEIVED A LT GENERATOR FAIL INDICATION AND ABORTED TAKEOFF. MAINTENANCE INSPECTED AND REPLACED THE LT GENERATOR CONROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-31-03. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAug 29, 2004 · N424JS · Dorner DO328100SDR A6WA200440120Generator · failedNR 2 GENERATOR FAILED DURNG TAKEOFF. SERVICED NR 2 IDG IAW AMM 12-13-24. RAN ENGINE TO POWER. OPS CHECK GOOD. (M)Aug 26, 2004 · N404AW · Cndair CL6002B19SDR 2004UALA00782Generator · malfunctionedAPU GEN ON LINE, FOUND VOLTAGE TO INDICATE 127VAC, WITH COCKPIT PANEL LIGHTS DIM, E&E LIGHTS VERY DIM AND FLUCTUATING, EXHAUST FAN NORMAL CB POPS. APU POWER IS NO GOOD. APU GEN C-B (C899) CONTACT B2 TERMINAL LUG & 3EA WIRES INSULATION BURNT 8 INCHES FROM B2 LAug 8, 2004 · N362UA · Boeing 737322SDR 2004UALA00733Csd · failedRETURNED TO ORD DUE TO A NR 1 ENGINE GENERATOR DRIVE LIGHT. NR 1 CSD FAILED. OIL LOSS EVIDENT ON COWL, CSD EXTREMELY HOT ON ARRIVAL, SUSPECT INTERNAL FAILURE. REPLACED THE NR 1 CSD, EXCESSIVE METAL FOUND ON CHIP DETECTOR. SHOP FOUND EXTENSIVE INTERNAL CSD FAILAug 7, 2004 · N352UA · Boeing 737322SDR 2004F00282Drive Assy · failedNR 2 GENERATOR CAME OFF LINE ON TO ROLL OUT OF SBM. TAKEOFF WAS ABORTED BETWEEN 65-75 KTS. GENERATOR RESET WAS SUCCESSFUL ON TAXI BACK. PROCEEDED TO TAKEOFF AND WAS UNEVENTFUL. AFTER REACHING CRUISE GEN NR 2 CAME OFF LINE AGAIN. GENERATOR REMAINED OFF. CAug 4, 2004 · N601VH · Cndair CL6002B16SDR CA040729002Generator · failedDURING A ROUTINE POST MAJOR MAINTENANCE FLIGHT CHECK OF THE AIR DRIVEN TURBINE GENERATOR SYSTEM, THE SYSTEM FAILED TO TAKE THE ELECTRICAL LOAD, AS INDICATED BY THE AMMETER AND THE VOLTMETER, WHEN THE TURBINE WAS MANUALLY DEPLOYED. MAINTENANCE FINDINGS:- ADG OJul 27, 2004 · Cndair CL6012A12SDR COMA0460430Idg · lack of lubeFLIGHT 5829 NR 1 IDG CAUTION AND GENERATOR CAUTION. SERVICE IDG OIL TO PROPER LEVEL.Jul 27, 2004 · N934CA · Cndair CL6002B19SDR CA040728008Relay · failedDURING CRUISE, THE RT GENERATOR DID NOT POWER THE BUSS. APU STARTED BUT HAD TO SHUT DOWN DUE TO HIGH OIL TEMP. AIRCRAFT HAD TO DIVERTED TO XXX. MAINTENANCE FOUND THE RT GEN POWER RELAY IN FAULT. RELAY REPLACED AND GENERATOR POWER CHECKED SERVICEABLE. THE AJul 24, 2004 · Doug DC983SDR G1I2004F00002Belt · displacedAIRCRAFT LOST ELECTRICAL POWER. FOUND RT ENGINE ALTERNATOR BELT NOT ON THE PULLEY SYSTEM. REINSTALLED AND CORRECTLY TENSIONED ALTERNATOR BELT, OPS CHECK OF ELECTRICAL SYSTEM GOOD. PROBABLE CAUSE IS IDLER PULLEY BECAME LOOSE ALLOWING THE ALTERNATOR BELT TO JJul 22, 2004 · N254SW · Piper PA31SDR AALA20040747Bearing · failedSJC - INFLIGHT T0073/17 LEFT ENGINE N2 ALTERNATOR DRIVE BEARINGS FAILED ON CLIMBOUT. REPLACED NUMBER 1 ENGINE PER SPECIAL ITEM CARDS 71-93-01 AND 71-95-22. SYSTEM GROUND CHECKED NORMAL OPERATION.Jul 17, 2004 · N347AN · Boeing 767323SDR QXEA200400535Generator · failedGEG - FLIGHT 2393 NR 2 AC CAUTION DURING TAKEOFF AT 60 KTS. NR 2 AC GENERATOR WOULD NOT RESET PER CHECKLIST. REMOVED AND REPLACED AC GENERATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Jul 15, 2004 · N410QX · Bombdr DHC8401SDR QXEA200400508Generator · inoperativeSEA - ON FLIGHT NUMBER 2102, THE NR 2 AC GENERATOR LIGHT ILLUMINATED AFTER DEPARTURE. FOLLOWED CHECKLIST PROCEDURES AND WAS UNABLE TO RESET. REMOVED AND REPLACED NR 2 AC GENERATOR. PERFORMED FUNCTIONAL TEST OF AC GENERATOR SYSTEM. NO LEAKS OR FAULTS NOTED.Jul 6, 2004 · N367PH · Dhav DHC8202SDR 2004UALA00638Idg · failedLEFT GENERATOR DRIVE LIGHT ILLUMINATED. LEFT AC INTEGRATED DRIVE GENERATOR (IDG) FAILED. REPLACED LEFT IDG. SHOP FINDINGS: HYDRAULIC MOTOR/PUMP GEAR FAILURE.Jul 2, 2004 · N582UA · Boeing 757222SDR TRK2004F00000Pulley · separatedTHE ALTERNATOR WAS REPLACED AND THE NUT FOR THE PULLEY WHICH IS PART OF THE STC WAS TORQUED IAW THE STC. APPROXIMATELY 10 HOURS LATER THE PULLEY CAME OFF THE ALTERNATOR. THERE IS NO WOODRUFF KEY, TAPERED PULLEY SHAFT OR ANY TYPE OF SAFETY USED DURING THE INSJul 1, 2004 · N210TS · Cessna P210NSDR Z3M2004F00001Alternator · faultyALTERNATOR FAILED WITHOUT ANY PREVIOUS INDICATIONS. REPLACED ALTERNATOR.Jun 28, 2004 · N7036J · Robsin R44
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