JASC 4940
Service difficulty reports · 1,424
Reports filed under 4940 · APU Start/Ignition 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 = '4940' 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 = '4940' 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 UIEA2019041093839Apu · faultedAPU FAULT AFTER LANDING. 2 ATTEMPTS MADE, BOTH UNSUCCESSFUL STARTS. (<P>PERFORMED FIM 49-11 FT 987 APU BITE PROCEDURE, "START ABORTED" FAULT, CLEARED MESSAGE. PERFORMED OPS CHECK OF APU IAW AMM 49-11-00. OPS CHECK GOOD. NO MESSAGE PRESENT, RAN FOR 15 MINUTES 2SDR AALA2019041189001Starter · failedAIRCRAFT WAS GROUNDED: MAINTENANCE REPORTS AFTER APU OIL SERVICING ON ARRIVAL, APU WOULD NOT START-FAILED. SMOKE EVIDENT. APU WAS SHUTDOWN FROM NLG POSITION. MAINTENANCE REMOVED AND REPLACED APU STARTER IAW AMM 49-41-01. ON 3RD START ATTEMPT ON THE NEW STARTERSDR ASAA2019040858914Apu · malfunctionedAPU FAILED TO START ON FIRST ATTEMPT. GROUNDED - YES. CHECKED AND RELEASED PER MEL 4-1B. APU INOP FAILED TO START ON FIRST ATTEMPT. SHOWED TWO MAINT MSG 49-41254 AND 49-61145. COMPLIED WITH MAINT PROCEDURES. APU OPERATIONAL TEST REF B737-900 AMM 49-11-00, OPS SDR UIEA2019040423758Apu · malfunctionedAPU WOULD NOT START AFTER LANDING(<DIV>PERFORMED APU BITE PROC. IAW AMM 49-11-03-958 FIM. PERFORMED MINI-FLAG INTERROGATION PROC. REF. HONEYWELL AMM 31-15671 NO DEFECT NOTED. NO MINI-FLAGS RECORDED. STARTED APU 4 TIMES SUCCESSFULLY, OPS CHECK OK. </DIV>)SDR ASAA201904018828Exciter · faultedAFTER LANDING, APU FAILED TO START, FAULT LIGHT ILLMUMINATED. GROUNDED - YES. PERFORMED APU BITE AND GOT FAULT CODE 49-41011. REF B737-900 FIM 49-40 TASK 802 REMOVED & REPLACED IGNITION UNIT REF B737-900 AMM 49-41-31. OPS CHECK GOOD REF AMM 49-11-00 W/ NO FAULSDR UIEA2019032703666Starter · malfunctionedAPU INOP.(<P>APU DEFERRED PER MDDR #109271.<BR /></P><P>REMOVED AND REPLACED APU STARTER IAW AMM 49-41-01 JL @ 16:07Z</P>)SDR ASAA2019032228754Ignition Unit · inoperativeAPU FAULT ON START ILLUMINATED AFTER 5 MIN, FAULT LITE EXTINGUISHED. UPON RESTART APU LOW OIL PRESSURE ILLUMINATED. GROUNDED - YES. VERIFIED DISCREPANCY. ACCOMPLISHED FIM 49-40 TASK 805. FOUND IGNITION UNIT INOP. REMOVED AND REPLACED IGNITION UNIT REF AMM 49-4SDR UIEA2019032203610Igniter · not reportedREPLACE APU IGNITER PLUGS AS PER WORK CARD. (<P>REMOVED AND REPLACED APU IGNITER PLUGS. PER AMM 49-41-02. OPS CHECK SATISFACTORY REF: AMM 49-11-00.</P>)SDR UIEA2019032103596Starter · defectiveAPU FAILED TO START. (<P>FOUND APU STARTER NOT MAKING CORRECT RPM. REMOVED AND REPLACED APU STARTER AS PER AMM 49-41-01. APU START SUCCESSFUL, OPS CHECK GOOD AT THIS TIME. </P>)SDR UIEA2019031503553Unknown · malfunctioned"INFO ONLY": APU FAILED TO START ON TWO ATTEMPTS. FL 390, TEMP -42 @ 1150Z. APU STARTED OKAY ON THE GROUND.(<P>NOTED BY MAINTENANCE- INSPECTED FOR CODES ECU STATUS "START ABORTED"- NO CODES PRESENT. OPS CHECKS GOOD PER AMM 49-11-00</P>)SDR UIEA2019031503560Relay · failedAPU RELIABILITY COLD START ACCOMPLISHED ON THIS LEG ONT-RFD SAT -38 FL370 - START UNSUCCESSFUL.(<P>TRANSFERRED TO MDDR 108673 MEL 49-11-01, DUE DATE 24 MAR MAR 19 PLACARD INSTALLED<BR /></P><P>LOGPAGE 1069059: PERFORMED FIM 49-11 F/T 991. REMOVED AND REPLACED SDR UIEA2019031203525Control Unit · faultyAPU RELIABILITY COLD START ATTEMPIED ON FLIGHT LEG SCK -BDL SAT -58 FL 370 3 ATTEMPTS UNSUCCESSFUL (<P>APU TRANSFERED TO MDDR 108569 IAW MEL 49-11-01A CAT C DUE 22MAR19 </P><P>REF LOG PAGE 1058279 REMOVED AND REPLACED APU CONTROL UNIT IAW AMM 49-61-05 AND OPSDR HALA2019030600091Unknown · malfunctionedETOPS SIGNIFICANT SYSTEM - APU FAULT ON START ATTEMPTS, 2 ATTEMPTS TO START MADE. T/S PER TSM 49-00-00-810-829-A REF POST FLIGHT REPORT "IGNITER PLUG(59KA31)/IGNITION EXCITER (59KA10)" PERFORMED APU TEST, TESTED OK. PERFORMED OPS TEST AMM 49-00. APU STARTED NOSDR UIEA2019030503483Igniter · wornAPU IGNITER PLUG WORN OUT.(<P>REMOVED AND REPLACED APU IGNITER PLUGS OPS CHECK NORMAL REF: AMM 49-41-02</P>)SDR UIEA2019030403433Starter · faultedAPU FAULT AFTER LANDING AND ATTEMPTING TO START APU .(<P>TRANSFERRED TO MDDR # 108134 AS PER MEL 49-11-01A CAT C. REMOVED AND REPLACED STARTER MOTOR IAW AMM 49-41-01 OPS CKS NORMAL.</P>)SDR ASAA2019030128415Exciter · failedAPU AUTO SHUT DOWN GROUNDED - YES. REMOVED AND REPLACED IGNITION EXCITER IAW 49-41-38 OPS CHECK TRANSFER TO LOG PAGE 8038548 ITEM 3.SDR UIEA2019022753383Ecu · faultedAPU FAULT 3 START ATTEMPTS. R & R ECU IAW B767 AMM 49-61-05, IGNITION UNIT REPLACED IAW B767 AMM 49-41-03, P/N OFF: 3888058-7, S/N OFF: 96139744, OPS CHECK OK. NO LEAKS. CLEARED MDDR 107762. PLACARD REMOVED.</P>)SDR UIEA201902263383Apu · faultedAPU FAULT 3 START ATTEMPTS.SDR UIEA2019030103424Igniter Box · defectiveAPU WILL NOT START(<P>REMOVED AND REPLACED APU EXCITER IGNITION BOX IAW AMM 49-41-03. OPS CHECK NORMAL. <BR /></P>)SDR UIEA2019022083249Igniter · damagedAPU FAULT. APU FAILED TO START @ FL 270 SAT -24(<P>NO FAULTS FOUND, APU OPS CHECK GOOD IAW AMM 49-00-00.</P><P>LP 1054556-M4: R/R APU IGNITER IAW B767 AMM 49-41-02. OPS CHECK TESTED OK. </P>)SDR UIEA2019021503229Igniter Box · inoperativeAPU FAULT ON 3 START ATTEMPTS, APU WILL NOT START.(<P>R&R IGNITER BOX AND IGNITER IAW 767 AMM 49-41-03-401-010.<BR /></P>)SDR AALA201902129002Starter · leakingOIL ODOR FROM AIR CONDITIONING VENTS WITH APU BLEED AND PACKS ON. THE AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND APU TO BE SOURCE OF ODOR, FOUND STARTER MOTOR LEAKING ON THE APU, REPLACED THE STARTER MOTOR IAW AMM 49-42-51-0401.SDR UIEA2019020803157Apu · faultedAPU FAULT WHEN ATTEMPTING START.(<P>TRANSFER TO MDDR # 107038 PER MEL 49-11-01A. PLACARD INSTALLED. MCC NOTIFIED, CAT C EXP 17FEB19, TI: ST@ 1916Z.</P><P>LP 1041293-M1: BITE CHECKED ECU, CLEARED FAULTS. <SPAN>PERFORMED MULTIPLE APU START UPS & SHUT DOWNS WITH SDR UIEA2019020803158Igniter · wornAPU IGNITER PLUG AND IGNITION LEAD ARE WORN.(<P>REMOVED AND REPLACED APU IGNITER PLUG IAW AMM 49-41-02 AND IGNITION LEAD IAW AMM 49-41-02. BOTH OPS CHECK NORMAL. </P>)SDR UIEA2019020803154Brushes · wornAPU STARTER MOTOR BRUSHES ARE WORN.(<P>REMOVED AND REPLACED APU STARTER IAW AMM 49-41-01. OPS CHECK GOOD. </P><P><BR DATA-MCE-BOGUS="1" /></P><P ><SPAN></SPAN></P>)SDR DXTR2019020601Pcb · failedAPU FAILED TO START. REMOVED AND REPLACED APU STARTER/GEN. AS REQUIRED REF. CE-680A MM.M. 80-10-25. REMOVED AND REPLACED APU ECU IAW CE-680A MM 49-60-05-4. INITIALLY APU STARTER/GEN. PASSED CHECKS. UPON ENG SHUTDOWN APU DID NOT PICK UP LOAD. RESET APU GEN. IT SDR UIEA2019020403102Apu · malfunctionedAPU FAULT.(<P>SUSPECT APU COLD SOAKED ALLOWED SUFFICENT GROUND TIME PERFORMED 3 SUCCESSFUL STARTS NO FAULTS OK FOR SERVICE IAW AMM 49-11-00.<BR /></P><P><BR /></P>)SDR SIMA201902041001Mount · corrodedREF AML 4372209 MEL 01-936DM-C APU FAILS TO CRANK "TRANSFERRED TO NRWC 612-ABI-02544" MAJOR REPAIR-C/A-ACCOMPLISHED ERS-EM-53MR-3643 PART A REAR FUSELAGE II FRAME 80 APU SHUNT MOUNT CORROSION AND BURN AREAS PERMANENT REPAIR. APU OPERATION TEST GOOD. MEL 01-936SDR UIEA2019020103081Starter · inoperativeAPU WONT START. (<P>TRANSFERRED TO MDDR 106752 IAW DDG 49-11-01A CAT "C" </P><P>LP 1031066 -M2 REMOVED AND REPLACED STARTER ASSY MOTOR IAW AMM 49-41-01 OPS CHECK GOODSDR UIEA2019020103080Apu · faultedAPU FAULT (<P>PERFORMED ECU BITE CHECK PER AMM 49-61-05, FAULT START ABORTED AC START CIRCUIT NOTED. SYSTEM RESET. START NORMAL, NO NEW FAULTS NOTED AND OPS CHECK GOOD.</P>)SDR UIEA2019020133051Relay · malfunctionedAPU FAULT FAILED TO START(<P>TRANSFER TO MDDR 106611 IAW MEL 49-11-01A.</P><P>ACCOMPLISHED OPERATIONAL TEST OF THE APU. WHEN TRU BREAKER IS PULLED, APU STARTS NORMALLY. SUSPECT TRU MIGHT BE FAILING IAW B767 AMM 49-40-00 AND 49-61-00. REPLACED K615 APU START RESDR UIEA2019012403022Unknown · malfunctionedAFTER LANDING, APU FAILED TO START FIRST ATTEMPT APU RPM 30% HANGING, THEN APU FAULT EICAS MSG , SUCCESSFUL START ON SECOND ATTEMPT (<P>PERFORMED BITE OF PAU ECU NO FAULTS NOTED , APU STARTED NORMALLY BITE IAW AMM 49-61-05</P>)SDR UIEA2019012403019Starter · wornAPU STARTER MOTOR BRUSHES ARE WORN, STARTER NEEDS TO BE REPLACED (REF WORK CARD NUMBER A-49-062-01).(<P>R/R APU STARTER IAW AMM 49-41-01. PERFORMED SATISFACTORY OPS CHECK IAW AMM 49-41-01. NO DEFECTS NOTED.</P>)SDR UIEA2019012303003Starter · wornAPU STARTER MOTOR BRUSHES ARE WORN STARTER NEEDS TO BE REPLACED (REF. W/C #A-49-062-01)(<P>REMOVED AND REPLACED APU STARTER IAW AMM 49-41-01. PERFORMED SATISFACTORY OP CHECK IAW AMM 49-41-01 (NO DEFECTS NOTED).</P>)SDR ASAA2019011827873Unknown · malfunctionedAPU FAILED TO START AFTER LANDING W/ "APU FAULT" LIGHT ILLUMINATED. GROUNDED - YES. MAINTENANCE MESSAGE 49-41012 NO APU ROTATION SHUTDOWN SHOWS ON LAST TWO START ATTEMPTS WITH NO CURRENT FAILURES. FOUND FAULTS TO BE INTERMITTENT REF FIM 49-40 TASK 803 AND FIM SDR ASAA2019011127775Unknown · malfunctionedAPU FAIL TO START. GROUNDED - YES. ATTEMPTED TO START APU. 3RD TIME STARTED NORMAL REF AMM 49-11-00.SDR DALA2019011400253Starter · damagedAT GATE ARRIVAL DURING DEPLANING WE NOTICED A SLIGHT ELECTRICAL SMELL IN COCKPIT AND FOUND CABIN, TURNED OFF PACK AND SMELL DISCIPATED, SHUT DOWN APU- TRIED TO RESTART APU AND NO START WITH APU FAULT. FOUND STRONG ELEC. SMELL WHEN OPENING APU COMP. WITH HEAT DSDR DALA2019011400252Starter · fireAPU WILL NOT START NO ROTATION. FOUND STARTER ON FIRE, PUT FIRE OUT W/EXTINGUISHER. SUSPECT STARTER RELAY HUNG. R/R R2-63, R2-792 & SHIP BATTERIES. REPLACED STARTER NEG/POS HARNESS P/N 790793-9407-501. R/R APU. OPS CK GOOD. (LP# 5329530)SDR UIEA2018122302911Igniter · failedAPU FAILED TO START (<P>REMOVED AND REPLACED APU EXCITER IAW 49-41-03 OPS CKD OK REMOVED AND REPLACED IGNITOR IAW AMM 49-41-02 OPS GOOD</P>)SDR UIEA2018122422904Apu · malfunctionedAPU INOP TWO START ATTEMPS(<P>C/W FIM49-11 FT 958 BITE TEST MSG CLEARED APU STARTED THIRD ATTEMP AND OPS NORMAL<BR /></P>)SDR UIEA2018122082880Ecu · malfunctionedAPU WOULD NOT START AFTER LANDING. CHECKED WIRING FROM ECU TO MANIFOLD T58 &T59. ALL OK CHECKED WIRES FOR APU AT FIREWALL, RERACKED ECU PER AMM 49-61-05 APU STARTED NORMAL. HOLDS ELECT AND PNEUMATIC LOADS 25% N2 ON ENG MOTORING.SDR HALA2018121700662Not Reported · malfunctionedETOPS SIGNIFICANT SYSTEM - APU DID NOT START AFTER 3 TRIES. C/W TSM 49-62-00-810-838A. NO FAULTS NOTED. STARTED APU TWICE ON GROUND WITH NO FAULTS. DUE TO LACK OF HISTORY. OK FOR CONTINUED SERVICE.SDR HALA2018121700659Exciter · malfunctionedETOPS SIGNIFICANT SYSTEM - BRAKE RIDER REPORTS APU WON’T START. REMOVED AND REPLACED IGNITER PLUGS. NO HELP PER AMM 49-41-41. TROUBLESHOT PER TSM 49-41-00-810-804-A 'APU AUTO SHUT DOWN NO FLAME IGNITION EXCITER FAULT'. REMOVED AND REPLACED APU EXCITER BOX PER SDR UIEA2018121902882Not Reported · malfunctionedAPU FAULT AFTER LANDING WOULD NOT START. OPS CHECKED IAW FIM AD AMM 49-11-00. OPS CHECKED GOOD.SDR HALA2018121340652Apu · unknownETOPS SIGNIFICANT SYSTEM - UNABLE TO START APU.// PERFORMED TSM 49-62-00-810-836-A. NO FAULTS NOTED. OPS CHECK GOOD. OK FOR SVC.SDR UIEA2018121002812Starter · faultyAPU INOP. FAULT FOUND WITH STARTER MOTOR. REMOVED AND REPLACED STARTER IAW AMM 49-11-01, OPS CHECK NORMAL.SDR HALA2018121100646Ignition Unit · inoperativeETOPS SIGNIFICANT SYSTEM - UNABLE TO START APU 2 ATTEMPTS.// PERFORMED BITE CHECK OF APU AND FOUND IGNITION UNIT FAULTED. REMOVED AND REPLACED APU IGNITION UNIT PER AMM 49-41-03-404-010 OPS CHECK GOOD.SDR HALA2018121100645Apu · malfunctionedETOPS SIGNIFICANT SYSTEM - INFO TO MX APU DID NOT START BETWEEN 7000' - 3000' TWICE. STARTED SUCCESSFULLY ON GROUND AT 3RD ATTEMPT. // NOTED BY MAINTENANCE PERFORMED TROUBLESHOOTING OF APU AUTO SHUT DOWN PER TSM TASK 49-62-00-810-838-A. PERFORMED FAULT CONFIRMSDR UIEA2018120402778Unknown · malfunctionedAPU WOULD NOT START 2 ATTEMPTS. PERFORMED APU START OF APU, NO FAULTS DETECTED AT THIS TIME AMM 49-40-00.SDR ASAA2018120327185Exciter · failedAFTER LANDING WHEN STARTING APU THE FAULT LIGHT ILLUMINATED. RAN QRH AND ATTEMPTED RESTART. ON RESTART FAULT LIGHT ILLUMINATED AGAIN. AFTER APU SWITCH WAS TURNED OFF THE FAULT LIGHT ILLUMINATED AGAIN. GROUNDED - YES. REMOVED AND REPLACED IGNITION UNIT REF B737
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