JASC 2421

Service difficulty reports · 4,277

Reports filed under 2421 · AC Generator-Alternator, 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 = '2421'
  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 UIEA2019021873241Warning Message · false activation" APU GEN OFF" EICAS MSG AND "APU FAULT " EICAS MESSAGE(<P>PERFORMED BITE TEST AND RESET, STARTED APU, OPS CHECK NORMAL ON APU GENERATOR IAW B767 AMM 49-11-00-815.</P>)Feb 17, 2019 · N1321A · Boeing 767306SDR UIEA2019021543219Oil System · lowAFTER ENGINE START R GEN DRIVE EICAS WITH R GEN DRIVE DISC LIGHT ILLUMINATED ON OVERHEAD PANEL. LIGHT REMAINED ON APPROXIMATELY 45 SEC THEN WENT OUT.(<P>PERFORMED FIM TASK 24-20 FT 801, FOUND IDG LOW IOL PRESSURE. SERVICED IDG PER 12-13-03-613-027 AND PERFORMEFeb 14, 2019 · N1427A · Boeing 767306SDR UIEA2019021103180Idg · overservicedAFTER ENGINE START RIGHT GENERATOR DRIVE EICAS WITH DRIVE LIGHT ILLUMINATED ON OVERHEAD PANEL. REMAIN ON FOR OVER 1 MINUTE THEN WENT OUT. (<P>FOUND IDG TO BE OVER SERVICED, PERFORMED IDG OPERATIONAL TEST IAW AMM 24-11-00-715-006. TEST PASS NO FURTHER DEFECTS NFeb 11, 2019 · N1427A · Boeing 767306SDR NI6R201902100052Generator · malfunctionedAIRCRAFT DEPARTING MBS ENROUTE BIS ON IFR FLIGHT PLAN IN VMC CONDITIONS, BEGAN EXPERIENCING ELECTRICAL ANOMALIES SHORTLY AFTER TAKEOFF. CANCELLED IFR AND RETURNED TO MBS FOR A VFR APPROACH AND LANDING.Feb 10, 2019 · N470NA · Bac 146200ASDR QXEA2019021100068Generator · malfunctionedNR 1 AC GEN ILLUMINATED. REMOVED FROM SERVICE. C/W FIM TASK 24-20-00-810-801. NO FAULTS FOUND. R&R NR 1 AC GEN IAW MTC 6242101. AC GEN OPS CHECK GOOD. RETURNED TO SERVICE.Feb 10, 2019 · N427QX · Bombdr DHC8402SDR UIEA2019021193172Idg · disconnected (LH IDG INOP) REF. DMI 107084(<P> PERFORMED BPCU BITE IAW FIM 24-20 TASK 804 FOUND IDG DISCONNECT MSG. RECONNECTED IDG IAW 24-11-01 AND RAN ENGINES FOR 10 MIN IAW 71-00-00 MSG DID NOT RETURN, LEFT GEN OUTPUT NORMAL NO FURTHER DEFECTS NOTED. .</P>)Feb 9, 2019 · N1093A · Boeing 76736NSDR UIEA2019021183164Valve · stuckRIGHT GENERATOR DRIVE EICAS MESSAGE. (<P>DUE TO ENGINE SHUTDOWN ANOMALY WITH RIGHT ENGINE SPAR VALVE STUCK IN THE OPEN POSITION EICAS MESSAGE PRODUCE IS SIMILAR TO FIRE T-HANDLE BEING PULLED PERFORMED FAIL P RESET IAW 26-11-00 MESSAGE CLEARED OPS CHECK NORMAL Feb 8, 2019 · N1361A · Boeing 76731BSDR UIEA2019020803156Generator · no testWHILE PERFORMING HMG OPS CHECK, HMG DID NOT DEVELOP A HIGH ENOUGH FREQUENCY, WORKING AT 391 CYCLES. SHOULD BE A MIN OF 395 CYCLES. (<P>REPLACED HMG CONTROL GENERATOR MOTOR IAW AMM 24-25-02. OPS CHECK NORMAL, 399 FREQUENCY. </P>)Feb 7, 2019 · N1399A · Boeing 767306SDR UIEA2019020803160Generator · trippedAPU GEN DROPPING OFF LINE. DROPPED OFF LINE 4 TIMES AT LEAST.(<P>PERFORMED OPERATIONAL TEST ON APU GEN IAW AMM 49-00-00. OPS CHK NORMAL.</P>)Feb 6, 2019 · N1487A · Boeing 76731KSDR UIEA2019020603143Socket · dirtyL IDG VALVE STATUS. CLEANED IDG SOCKET PER FIM 24-20 FT 802, WHICH CLEARED MSG.Feb 6, 2019 · N1619A · Boeing 7673Y0SDR UIEA2019020653123Gcu · inoperativeAPU GEN INOP. FREQ LOW, AIR OK(<P>TRANSFERRED TO MDDR # 106940 AS PER MEL 49-11-01A CAT C </P><P>LP 1053779-3 (RIV) - PFMD BPCU BITE IAW FIM 24-20 FT 801 FOUND APU GENERATOR CONTROL UNIT FAULTING. REMOVED AND REPLACED APU GCU IAW AMM 24-22-02 OPS CHECK GOOD NFeb 5, 2019 · N1487A · Boeing 76731KSDR CALA2019020400207Idg · inoperativeON T/O GEN 2 FAULT ALSO TR2 FAULT ABLE TO GET GEN 2 BACK ON LINE AFTER GEAR DOWN LOST GEN PER AMM 24-21-51-000-010-A, STARTED REMOVAL OF NR 2 ENGINE IDG UP TO STEP 4C. REMOVED AND REPLACED THE NR 2 ENGINE GENERATOR IAW AMM 24-21-51 OPS AND LEAK CHK GOOD ITEM RFeb 4, 2019 · N853UA · Airbus A319131SDR UIEA2019020503122Wire · missingPRE-FLIGHT INSP FOUND R IDG SWITCH COVER SHEER WIRE MISSING , ALSO FOUNF R GEN FIELD LIGHT(<P>RECONNECTED R IDG PER AMM 24-11-01 OPS TEST OK FIELD LIGHT OUT </P>)Feb 2, 2019 · N1427A · Boeing 767306SDR UIEA2019020103060Idg · malfunctionedL GEN DRIVE EICAS MSG IN CRUISE. COMPLETED QRH PROCEDURE(<P>PLACED THE LEFT IDG ON DEFERRAL IAW MEL 24-00-01-02 CAT B. MDDR 106655. DUE 02FEB2019. MAINT PROCEDURES C/W. AIRCRAFT RELEASED ETOPS 120 RESTRICTED. DISP DP @ 15:55Z.</P><P>REF LOG PAGE 1053043; REMOVJan 30, 2019 · N1511A · Boeing 767383SDR UIEA2019020103055Idg · malfunctionedEICAS MESSAGE LEFT GEN OFF AFTER BLOCK OUT AND ENGINE START(<P>TRANSFER TO MDDR 106580 IAW MEL 24-00-01-01</P><P>LOG PAGE 1045563 ITEM M7; REMOVED AND REPLACED LEFT ENGINE IDG IAW AMM 24-11-01-004-001-024, OPS/LEAK CHECK IAW AMM 24-11-00-715-005. OPS CHECK GOOJan 29, 2019 · N1997A · Boeing 76733ASDR UIEA2019012803045Generator · lowLT GEN DRIVE (<P>INSPECTED AND FOUND LT GEN DRIVE /GENERATOR OIL LEVEL LOW SERVICED NR 1 ENG GENERATOR AS REQUIRED PER AMM 24-00-00</P>)Jan 28, 2019 · N1499A · Boeing 767328SDR AALA201901289024Idg · failedDURING TAKEOFF, RECEIVED A NR 2 IDG OIL LOW PRESSURE FAULT. REJECTED TAKE OFF AT 90 KNOTS. RETURNED TO GATE. THE AIRCRAFT WAS GROUNDED. REPLACED THE NR 2 ENGINE INTEGRATED DRIVE GENERATOR IAW AMM 24-21-51. OPS AND LEAK CHECKED GOOD.Jan 27, 2019 · N181UW · Airbus A321211SDR UIEA2019012703035Idg · failedRIGHT IDG INOP. (<P>TRANSFER TO MDDR # 106390 IAW DDG 24-00-01-01- CAT B DUE DATE 28-JAN-19</P><P>LP 1040367-M3 REMOVED AND REPLACED RT IDG IAW AMM 24-11-01 PERFORMED OPS CHECK IAW AMM 24-11-00 OPS CHECK GOOD THIS CLEARED MDDR 106390.</P>)Jan 25, 2019 · N1181A · Boeing 7673Y0SDR UIEA2019011400080Light · inoperativeRIGHT GEN DRIVE DISC LIGHT INOP(<P>TRANSFERRED TO DMI 105873 PER MEL 24-01-01.RIGHT GEN DRIVE DISC GUARDED SWITCH PREVIOUSLY RE-LAMP ENG RUN AND OPS CHECK OF DISC / SWITCH ACCOMPLISHED IAW AMM 24-11-01 OPS CHECK GOOD THIS CLEARS DMI 105873 MCC / NOTIFIED PLACAJan 13, 2019 · N1217A · Boeing 767375SDR FDEA201901090070Idg · malfunctionedPDIS 166 24-50 0296 09JAN19 MEM LOST L AND R UTILITY BUS DURING APPROACH TO MEM. THEN LOST R GENERATOR. LOST AUTOPILOT, AUTO THROTTLES, GEAR INDICATIONS. EXECUTED MID ALTITUDE GO AROUND. COULD NOT RAISE GEAR OR FLAPS. RAN QRH FOR R GEN, CYCLED UTILITY BUSSES WJan 9, 2019 · N166FE · Boeing 7673S2FSDR HALA2019010800015Idg · unknownATB - ETOPS SIGNIFICANT SYSTEM - ECAM ELEC IDG (1) OIL LO PRES. REMOVED AND REPLACED NR 1 ENGINE IDG PER AMM 24-21-51. OPS CHECK OK. NO LEAKS NOTED.Jan 7, 2019 · N395HA · Airbus A330243SDR RJEF20190107002Warning System · false activationDURING TAXIING OF FLIGHT TA372 FROM CTG TO SAL, THE AIRCRAFT RETURNED TO THE GATE DUE TO PILOT REPORT "IDG 1 OIL, IDG 1 BUS OFF", IDG 2 IS PREVIOUSLY DEFERRED. MAINTENANCE PERSONNEL PERFORMED FAULT ANALYSIS IN ACCORDANCE WITH FIM 24-21-00-810-868-A SUB TASK 81Jan 3, 2019 · N935TA · Emb ERJ190100IGWSDR CALA2019010600017Idg · lowLEFT GEN LT CAME ON ON TAKEOFF. LOW SPEED REJECT AT APPROX 75 KTS COMPLIED WITH QRH. EICAS MESSAGE LOW IDG OIL SHOWN FOR NR 1 ENGINE. SERVICED NR 1 ENGINE IDG PER AMM CH 12-13-03. CREW PERFORMED ENGINE RUN FOR MX. GENERATOR ONLINE AND ALL INDICATIONS NORMAL. IJan 3, 2019 · N597UA · Boeing 757222SDR UIEA2018123102965Oil System · lowON T/O ROLL " LH GEN DRIVE" "LH GEN OFF" "LH UTILITY BUS OFF" RT UTILITY BUS OFF" ON CLIMB "L GEN DRIVE" CLEARED. COMPLIED WITH QRH FOR "GEN OFF" ALL MESSAGES CLEARED(<P>FOUND LH IDG LOW, SERVICED 1.5 QT IAW 12-13-03 OPS CHECKED L IDG IAW AMM 24-11-00 OPS CHDec 30, 2018 · N1499A · Boeing 767328SDR UIEA201812312959Generator · malfunctionedL GEN OFF ON CLIMB OUT RESET L GEN CONT AS PER CHECK LIST L GEN FUNCTIONAL NORMALLY(<P>NOTE BY MX COULD NOT DUPLICATED ON GROUND RUN IAW AMM 71-00-00</P>)Dec 29, 2018 · N1499A · Boeing 767328SDR HALA2018123100682Fault Message · false activationETOPS SIGNIFICANT SYSTEM - ELEC IDG 1 OIL SYS FAULT.// RESET ACFT ELEC SYS PER TSM 24-20-00. OPS NORMAL.Dec 28, 2018 · N381HA · Airbus A330243SDR UIEA2018122802951Gcu · faultedAPU AC GENERATOR FAULTS WHEN LOAD EXCEEDS .70(<P>PERFORMED FIM 24-21 , FOUND GCU FAULT , REMOVED AND INSTALLED SERVICEABLE APU GCU I.A.W AMM 24-22-02 OPS CHECK GOOD </P>)Dec 26, 2018 · N1229A · Boeing 767306SDR HALA2018122740679Switch · closedETOPS SIGNIFICANT SYSTEM - APU AUTO SHUTDOWN ON GROUND.// PERFORMED APU BITE CHECK. FAULT CODE 499141 & 499114. PERFORMED TSM TASK 49-00-81-810-849-A. MINUTE PARTICLES FOUND IN GEN SCAV FILTER. REMOVED AND REPLACED APU GEN PER AMM 24-23-51. CONDITION SAME. PERDec 26, 2018 · N214HA · Airbus A321271NSDR DALA2018122707421Generator · failedWITH RIGHT ENGINE GENERATOR ON DEFERRAL, APPROACHING IND, RT BUS LOST POWER, WITH APU RUNNING. RESET APU ON SHORT FINAL AND REGAINED POWER TO RT BUS. AIRPLANE NOT SUITABLE FOR MC FLIGHT. APPROACH WAS SISUAL ONLY WITH AIRSPEED SETTING KNOB NOR RESPONSIVE UNTIL Dec 26, 2018 · N965DL · Doug MD88SDR ASAA20181227577Idg · faultedCOULD NOT GET GENERATOR ON #2 ENGINE ON-LINE AFTER ENGINE START. GROUNDED - YES. PERFORMED A #2 GCU BITE PER B737-800 FIM 24-21 TASK 801. FOUND IDG FAULT, AND RESET IT. STARTED #2 ENGINE AND HAD 0 VOLTS/AMPS. SHUTDOWN AND FOUND #2 GCU WITH IDG FAULT ILLUMINATEDec 25, 2018 · N532AS · Boeing 737890SDR ASAA2018122417518Idg · inoperativeDRIVE LIGHT ILLUMINATED. DISCONNECTED DRIVE. GROUNDED - YES. REMOVED/REPLACED/TESTED #1 ENGINE IDG PER B737-800 AMM 24-11-11-000/400-801, 71-00-00-800-811-F00. GROUND VERIFICATION REPAIR CONFIRMATION SUCCESSFUL PER FIM 24-11-801. LIBERATION OF VALVE CAP LIKELYDec 21, 2018 · N563AS · Boeing 737890SDR UIEA2018122102893Warning Light · illuminatedAPU GEN OFF EICAS AFTER APU WAS SHUT DOWN ON THE GROUND AFTER ENGINE START, (<P>PERFORMED APU GEN TEST IAW AMM 24-21-00, OPS CHECK NORMAL </P>)Dec 21, 2018 · N1229A · Boeing 767306SDR ASAA2018122407494Oil Cooler · leakingREF TSR 702557, FOUND #1 IDG AIR/OIL COOLER LEAKING. GROUNDED - YES. REMOVED AND REPLACED #1 (IDG) AIR/OIL COOLER PER B737-900 AMM 24-11-21. PERFORMED IDLE LEAK CHECK, GROUND VERIFICATION SUCCESFULL.Dec 20, 2018 · N472AS · Boeing 737990ERSDR ASAA2018122027481Idg · malfunctioned#1 IDG FREQUENT SERVICING. GROUNDED - YES. REPLACED THE #1 IDG PER B737-800 AMM 24-11-11.Dec 20, 2018 · N534AS · Boeing 737890SDR ASAA2018121527428Oil Cooler · leakingFOLLOW-UP TO NR 1 IDG FREQUENT SERVICING. GROUNDED - YES. FOUND EVIDENCE OF THE IDG AIR/OIL COOLER LEAKING. REPLACED THE IDG AIR/OIL COOLER REF AMM 24-11-21. LEAK CHECK GOOD. COMPLETED STEP 1 IDG STATIC LEAK CHECK NO OTHER LEAKS NOTED.Dec 15, 2018 · N536AS · Boeing 737890SDR UIEA2018121402833Switch · malfunctionedRT GENERATOR DRIVE LIGHT INOP. EXERCISED LEFT GENERATOR DISCONNECT SWITCH AND PERFORMED ENGINE RUNS. OPS CHECK GOOD IAW AMM 24-22-01. NO DEFECTS NOTED AT THIS TIME.Dec 14, 2018 · N1997A · Boeing 76733ASDR P5CA2018121430382Idg · failedAFTER SECOND ENGINE START ( LEFT ) " LEFT GENERATOR OFF" EICAS MESSAGE APPEARED. CLEARED AFTER CYCLING LEFT GENERATOR CONTROL(<P>TRANSFERRED TO MDDR 104408 AS PER DDG 24-00-01-01 CAT "B" </P><P>REFERENCE LOG PAGE 1030483 ITEM M4; REMOVED AND REPLACED LEFT ENGIDec 13, 2018 · N644GT · Boeing 7673JHFSDR UIEA2018121302831Generator · inoperativeLEFT HMG INOPERATIVE. ACCOMPLISHED MAINTENANCE PROCEDURE. PLACARD INSTALLED. R&R LEFT HYDRAULIC MOTOR GENERATOR IAW AMM 24-25-01.Dec 12, 2018 · N1049A · Boeing 76736NSDR HALA2018121340649Fault Message · false activationETOPS SIGNIFICANT SYSTEM - ELEC GEN 2 FAULT,ACCOMPLISHED ECAM AND GEN 2 RESET.// PERFORMED TSM 24-00-00-810-820-A NO FAULTS DETECTED. PERFORMED #2 ENG RUN AND CYCLED #2 ENG GENERATOR, ALL TEST PASS, NO FAULTS NOTED. OK TO CONTINUE.Dec 12, 2018 · N202HA · Airbus A321271NSDR P5CA2018121100377Gcu · malfunctionedAFTER LH ENGINE START EICAS DISPLAY " LH GEN OFF" CYCLED GEN CONT SWITCH PER QRH & CONT NORMAL(<P>FOUND IDG OIL LEVEL LOW. SUPPLIED OIL 1 QT I.A.W. A.M.M 12-13-03/301 ALSO IDG OIL LEVEL EXTERNAL LEAK CHECKED OK WITH ENG DRY MOTORING I.A.W. A.M.M. 71-00-00/5Dec 11, 2018 · N644GT · Boeing 7673JHFSDR DALA2018121107131Gcu · failedSHIP 3361 - ATB - CREW AND DISPATCH MADE OPERATIONAL DECISION TO RETURN TO ATL DUE TO A #1 ENGINE IDG OIL FAULT. CORRECTIVE ACTION: REPLACED NBR 1 GCU. LP 5039303Dec 10, 2018 · N861NW · Airbus A330223SDR P5CA2018121110375Fault Message · false activationAFTER START "L GEN OFF" ADVISORY MESSAGE DISPLAYED. ONE RESET WAS ACCOMPLISHED IAW QRH. CONTINUED NORMAL OPERATIONS. RESET WAS SUCCESSFUL(<P>L GCU HAS NO FAULT. RESET GEN CONT SW, OPS CHK IS OK , ALSO BPCU BITE TEST PASSED PER AMM 24-22-00</P>)Dec 10, 2018 · N644GT · Boeing 7673JHFSDR CALA2018120702536Generator · inoperativeELEC GEN OFF L1 ADVISORY L1 ENGINE DRIVEN GENERATOR IS OFFLINE. SEE L.P. 8420658. LEFT ENGINE L1 VFSG ON MEL. SEE 8421241 REPLACED L1 VFSG REF. AMM DMC-B787-24-21-09-00B-720A-A. OPS & LK CHECK GOODDec 7, 2018 · N28912 · Boeing 7878SDR ANCF201812270402Unknown · warning messageDURING TAXI AND PERFORMING ONE ENGINE TAXI DEPATURE PROCEDURE WITH ENGINE AVAIL MESSAGE ON ECAM:ELEC GEN 2 FAULT.PERFORMED ECAM PROCEDURE UNSUCCESFULL // CORRECTIVE ACTION: DEC 4. THIS REPORT IS DEFERRED TO DMI WO 1822567 LOG PAGE RED BOOK 18495. N593EL-CNMCC-Dec 4, 2018 · N593EL · Airbus A318111SDR ASAA2018120127178Fitting · looseON WALK AROUND FOUND THE NR 2 IDG OIL LEVEL ALMOST OUT OF SIGHT GLASS. GROUNDED - YES. CLEANED AREA UNDER FAN COWL, IDG OIL LINES AND FITTINGS. RAN THE NR 2 ENGINE FOR 5 MINS AND FOUND TWO OIL LEAKS AT "OIL IN" UNION AT THE IDG AIR/OIL COOLER AND IDG PLUMBING Dec 1, 2018 · N453AS · Boeing 737990ERSDR UIEA2018113002742Idg · malfunctionedWHILE OPENING UP A/C FOUND LT ENG GEN DRIVE LIGHT OUT. RAI LT IDG IAW 24-11-01. OPS AND LEAK CHECKS GOOD AT THIS TIME.Nov 30, 2018 · N1709A · Boeing 767375SDR UIEA2018120402774Idg · abnormalLEFT GEN FIELD LIGHT OFF A/C LOST AC POWER WHILE PARKING W/ENGINES RUNNING. REMOVED AND REPLACED NR 1 ENGINE IDG IAW AMM 24-11-01. OPS CHECKED GOOD.Nov 30, 2018 · N1093A · Boeing 76736NSDR CALA2018120202462Idg · faultedGEN 1 FAULT REF TSM TASK 24-20-00-810-803-A, STEP 4 A . INSPECTED POWER FEEDER CONNECTOR AT FIREWALL. NO BURNING/ARCING DAMAGE OR CORROSION. RECONNECTED POWER FEEDER CONNECTOR. VERIFIED NO BURNING/ARCING OR SIGNS OF CORROSION ON POWER FEEDER CONNECTOR AT PYLONNov 29, 2018 · N405UA · Airbus A320232SDR FDEA2018112983385Gcu · damagedMDIS 686 05-50 8095 28NOV18 CDG OPEN U REPEAT:FOUND WATER IN AVIONICS COMPARTMENT,CAUSES BOTH GENERATORS FAILURES .SEE MM 05-50-01-00 PDIS 686 24-20 8094 28NOV18 CDG OPEN LOGPAGES:3020421 Nov 28, 2018 · N686FE · Airbus A300F4605RSDR UIEA2018112802735Idg · malfunctionedLEFT IDG & DRIVE LIGHT OFF WITH ENGINE OFF, WILL TEST. REMOVED AND REPLACED LEFT ENGINE IDG IAW AMM 24-11-01. OPS CHECK NORMAL NO LEAKS NOTED.Nov 25, 2018 · N1499A · Boeing 767328
Back to JASC 2421