JASC 4960

Service difficulty reports · 383

Reports filed under 4960 · APU Controls, 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 = '4960'
  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 UIEA2019062704602Ecu · no testAPU ECU FAILS OPS CHECK WITH "ECU" MINI FLAG. REMOVED AND REPLACED ECU IAW B767 AMM 49-61-05.Jun 26, 2019 · N1399A · Boeing 767306SDR ASAA2019061752979Fault Light · false activationAPU FAULT LIGHT ILLUMINATED AFTER ATTEMPT TO START. GROUNDED - YES. COMPLIED WITH BITE CHECK ON APU SYSTEM. NO CURRENT FAULTS NOTED. FAULT HISTORY SHOWS FAULT CODE 49-21015 OVERTEMPERATURE SHUTDOWN. FAULT CODE IS NO LONGER ACTIVE. APU OPERATES NORMALLY. APU FAJun 15, 2019 · N433AS · Boeing 737990ERSDR UIEA2019061004450Ecu · malfunctionedFOUND APU NOT SUPPLYING DUCT PRESSURE WITH VALVE ON.(<P>REMOVED AND REPLACED THE ECU IAW AMM 49-61-05. OPS CHECK GOOD.Jun 7, 2019 · N1487A · Boeing 76731KSDR UIEA2019052804337Ecu · faultyAPU FAULT MSG SHOWS ON LOWER EICAS.(<P>REMOVED AND REPLACED APU ECU IAW B767 AMM 49-61-05. </P>)May 25, 2019 · N649GT · Boeing 767375SDR UIEA2019052304280Ecu · malfunctionedAFTER LANDING "APU FAULT" EICAS. APU FAILED TO START ON 2 ATTEMPT (EGT RISE BUT RPM HUNG).(<P>BIT APU BOX FOUND NO FAULTS. RE-RACKED APU ECU AND OPS CHECK OF APU IS GOOD AT THIS TIME IAW AMM 49-11-00. </P>)May 23, 2019 · N1499A · Boeing 767328SDR UIEA2019042904062Pressure Sensor · malfunctionedAPU INOP(<P>ITEM TRANSFER TO MDDR 110915 IAW DDG 49-11-01A CAT C DUE DATE 05-MAY-19.</P><P>LP 1033505 - M5: PERFORMED FIM 49-11 FAULT TREE 987 WMES WITH FAULT 16. CLEARED ECU AND CLEANED P2 SENSOR CONNECTOR AND CHECKED ALL LINES PER B767 AMM 49-61-04 NO FAULTSApr 29, 2019 · N1327A · Boeing 76737DSDR UIEA2019032703667Ecu · malfunctionedAPU FAULT ON LANDING TWO START ATTEMPTS, NO ROTATION OBSERVED(<P>REPLACED APU ECU IAW AMM 49-61-05. OPS CHECK NORMAL </P>)Mar 27, 2019 · N1229A · Boeing 767306SDR UIEA2019032903685Ecu · malfunctionedAPU RELIABILITY COLD START FAILED 3 ATTEMPTS ON FLT LEG RFD-SCK SAT-64, FL 380 *APU FAULT EICAS ILLUMINATED.(<P>PER FIM 49-11 F/T 993 BIT ECU ON ARRIVAL HAD NO LIGHT OFF RE-SET ECU APU OPERATES OK 0 FAULTS NOTES. THIS DMI REMAINS OPEN FOR RE-EVALUATION AND RE-Mar 26, 2019 · N1229A · Boeing 767306SDR UIEA2019031703574Control Unit · faultyAPU UNABLE TO REMAIN RUNNING (<P>TRANSFERRED TO MDDR 108863</P><P>LP 1026219: REMOVED AND REPLACED APU CONTROL UNIT IAW B767 AMM 49-61-25/401. OPS CHECK NORMAL. THIS CLEARS MDDR 108683 AND PLACARD REMOVED.<BR /></P>)Mar 14, 2019 · N662GT · Boeing 76731ASDR UIEA2019022803413Control Unit · malfunctionedAPU INOP (REF DMI 107762).(<P>REMOVED AND REPLACED THE IGNITION EXCITER, APU CONTROL UNIT, AND APU IGNITION PLUG IAW AMM 49-61-05, 49-41-03, AND 49-41-04. OPS CHECK NORMAL, NO LEAKS NOTED.<BR /></P><P><BR DATA-MCE-BOGUS="1" /></P><P>APU EXCITER (OFF PART): S/NFeb 27, 2019 · N1381A · Boeing 767316SDR UIEA2019022603390Ecu · malfunctionedAPU INOP. NO DUCT PRESSURE.(<P>TRANSFERRED TO MDDR 107850</P><P>LP 1034331-M3 REMOVED AND REPLACED ECU IAW AMM 49-61-01 OPS CHECK AT THIS TIME DUCT PRESSURE AT 30 PSI TEST OK CLEARED MDDR 107850.</P>)Feb 25, 2019 · N1013A · Boeing 76736NSDR ASAA2019022818283Eec · failedAPU WOULD NOT SHUT DOWN AFTER ENGINE START. GROUNDED - YES. VERIFIED TERMINALS ON THE APU SWITCH ARE SECURE. ACCOMPLISHED APU BITE REF FIM 49-60 TASK 801. NO CURRENT FAULTS OR FAULTS IN HISTORY FOR APU SHUTDOWN. REMOVED & REPLACED ECU REF B737-800 AMM 49-61-12Feb 21, 2019 · N532AS · Boeing 737890SDR AALA201902189007Switch · failedTHE APU WILL NOT SHUTDOWN, CONTINUE RUNNING WITH THE MASTER SWITCH IN OFF. REMOVED AND REPLACED THE CENTRIFUGAL SWITCH ON THE APU IAW AMM 49-60-01. STARTED APU AND SHUT IT DOWN NORMALLY WITH COCKPIT APU SWITCH TWICE. BOTH TIMES APU SPOOLED DOWN APPROXIMATFeb 13, 2019 · N966TW · Doug MD83SDR UIEA2019012703037Unknown · malfunctionedINFO ONLY: APU ONLY PUTS OUT 25PSI ON START. VERY SLOW TO START (<P>PERFORMED BITE TEST ON APU CONTROLLER NO FAULTS NOTED. OPS CHECK OK CREW WILL NOTE APU PERFORMANCE NEXT LEG - REF AMM 49-61-05</P>)Jan 27, 2019 · N1321A · Boeing 767306SDR UIEA2019012603034Ecu · malfunctionedAPU WON'T STAY RUNNING(<P>T/S APU MINI FLAG 48 & 99 R&R APU ECU IAW AMM 49-61-05<BR />ALL CHECKS GOOD AT THIS TIME. <BR /></P>)Jan 26, 2019 · N1439A · Boeing 76733ASDR UIEA2019010400020Control Unit · malfunctionedAPU INOP(<P>TRANSFERRED TO MDDR 105306.</P><P>LOG PAGE 1032535 REMOVED AND REPLACED APU CONTROL UNIT IAW AMM 49-61-01 APU OPS NORMAL, MDDR 105306 CLOSED, ALSO REPLACED APU OIL SIGHT GLASS AS PER CMM 49-22-11 NO LEAKS NOTED P/N 2D2598 NSN </P>).Jan 1, 2019 · N1511A · Boeing 767383SDR UIEA2019010300008Monopole · warpedFOUND MONOPOLE TS8 TO BE WARPED. (<P>R&R MONOPOLE TS8 IAW AMM 49-61-02 OPS CHECK GOOD.<BR /></P>)Dec 31, 2018 · N1709A · Boeing 767375SDR UIEA2018122002886Ecu · unknownFOR BOTH ENGINE STARTS DUCT PRESS WAS AT MIN 21 PSI MAX MOTOR N2 LOWER THAN NORMAL STARTS OK.(<P>PERFORMED APU ECU MINIFLAG BITE PROCEDURES NO FAULT NOTED OPS NORMAL IAW AMM 49-61-05.</P>)Dec 20, 2018 · N1321A · Boeing 767306SDR UIEA2018121982879Control Unit · not reportedPER COMPANY CONVENIENCE REQUEST - REMOVE AND REPLACE APU CONTROL UNIT (<P>REMOVED AND REPLACED APU CONTROL UNIT IAW B767 AMM 49-61-05 OPS CHECK NORMAL AT THIS TIME</P><P>(NOTE: DUE 02 EVENTS ON GND APU AUTO-SHUTDOWN - TS POINTED TO APU ECU)</P><P>(NOTE2: DDGDec 18, 2018 · N640GT · Boeing 7673S1SDR UIEA2018122172853Ecu · malfunctionedAPU FAULT LIGHT UPON LANDING(<P>TRANSFER TO MDDR 104658 IAW MEL49-11-01A CATC PLACARD INSTALLED</P><TABLE WIDTH="721" CLASS="MCE-ITEM-TABLE" STYLE="HEIGHT: 57PX; BORDER-COLLAPSE: COLLAPSE;" BORDER="0" CELLSPACING="0" CELLPADDING="0" DATA-LEFT="2" DATA-MCE-SELEDec 17, 2018 · N1709A · Boeing 767375SDR UIEA2018120802803Control Unit · faultyAPU EGT OVERTEMP. REMOVED AND REPLACE APU CONTROL UNIT IAW AMM 49-61-05. OPS CHECK GOOD.Dec 9, 2018 · N1487A · Boeing 76731KSDR ASAA2018120627267Ecu · noiseFA'S REPORT ABNORMAL NOISE COMING FROM AFT (GALLEY) AREA OF AIRCRAFT . GROUNDED - YES. REVIEWED HISTORY. ACCOMPLISHED FIM 49-55-808 NO CURRENT FAULTS. MAX APU EGT DURING MES WAS 475 DEGREES. NO OTHER DEFECTS NOTED. ACCOMPLISHED FIM 36-10-806. NO FAULTS WITH INDec 6, 2018 · N464AS · Boeing 737990ERSDR ASAA2018113097157Control Unit · failedFLT CREW REPORTS NO DUCT PRESSURE FROM APU BLEED. GROUNDED - YES. REMOVED AND REPLACED APU ECU. PERFORMED APU START AND BITE TEST; BOTH GOOD. NO FAULTS. DUCT PRESSURES FROM APU BLEED GOOD. REF B737-800 AMM 49-61-12.Nov 29, 2018 · N594AS · Boeing 737890SDR UIEA2018112632682Gcu · malfunctioned APU WILL NOT SUPPLY ELECTRICAL POWER.(<P>PLACED ON MDDR 103295,REMOVED AND REPLACED APU GCU IAW AMM 24-22-02 OPS CHECK NORMAL ,THIS CLEARS MDDR 103295.</P>)Nov 23, 2018 · N1427A · Boeing 767306SDR UIEA2018123002961Sensor · malfunctionedAPU DID NOT START ON FIRST ATTEMPT (<P>PERFORMED BITE TEST OF APU AT ECU PREVIOUS START STOPPED ABORTED START FOR SPED SENSOR / # 2 SPEED SENSOR MEMORY CLEARED ECU BITE TEST NORMAL IAW FIM 49-11 FT 987 NORMAL 2 OPERATIONAL TEST NORMAL IAW 49-11-00/501 </P>)Nov 19, 2018 · N1409A · Boeing 767306SDR UIEA2018111902650Ecu · failedAPU WOULD NOT START AFTER LANDING (<P>REMOVED AND REPLACED ECU IAW AMM 49-61-05. OPS CK NORMAL.</P>)Nov 17, 2018 · N1361A · Boeing 76731BSDR ASAA2018111126823Ecu · faultyAPU SURGES WITH A PNEUMATIC LOAD APPLIED. NO SURGE WITH BLEED AIR SWITCH ON, BEGINS SURGING WITH LEFT OR RIGHT PACKS TURNED ON. GROUNDED - YES. ACCOMPLISHED FIM 49-55 TASK 808, STEPS A-E, F (1)-(2). NO FAULTS FOUND AT THIS TIME. REMOVED AND REPLACED APU ECU. ONov 11, 2018 · N486AS · Boeing 737990ERSDR HALA2018110500362Switch · malfunctionedETOPS SIGNIFICANT SYSTEM - AT 3000' ON DESCENT APU FAILED TO START "AUTO SHUT DOWN." AFTER LANDING 2ND START ATTEMPT FAILED ALSO.// FOUND APU OUT OF SEQUENCE (APU INLET OPEN WHEN MASTER SWITCH WAS OFF) CYCLED APU FIRE P/B SWITCH TO CLOSE INLET. APU STARTED FIRNov 4, 2018 · N382HA · Airbus A330243SDR ASAA2018101726532Sensor · intermittentAT THE GATE WITH APU POWERING BUSES, THE APU ELECTRICAL DISCONNECTED FROM BOTH BUSES. AFTER 10 SECONDS THE APU BLUE LIGHT CAME BACK ON AND WE POWERED BOTH BUSES WITH THE APU. GROUNDED - YES. REMOVED & REPLACED APU INLET PRESSURE SENSOR REF AMM 49-52-31, REPLACOct 17, 2018 · N538AS · Boeing 737890SDR ASAA2018101526468Sensor · faultyAT GATE ENG SHUTDOWN APU OPERATING ELECT & AIR, APU OVERSPEED LITE ILUM, APU SHUTDOWN. GROUNDED - YES. CK'D SPEED SENSOR YAAT007. CONNECTOR P12 IN GOOD CONDITION. SENSOR RES AT PIN 1+2 WAS 16 OHMS AND 3+4 WAS 26 OHMS. REMOVED AND REPLACED SPEED SENSOR YAAT007 Oct 13, 2018 · N468AS · Boeing 737990ERSDR UIEA2018101602273Transducer · faultyAPU INOP. REMOVED AND REPLACED TRANSDUCER MOTIONAL MONOPOLE, APU OPS CHECK NORMAL IAW AMM 49-61-02.Oct 10, 2018 · N1427A · Boeing 767306SDR UIEA2018101702280Ecu · faultedAPU RELIABILITY COLD SOAK FAILED AFTER 3 ATTEMPTS. PERFORMED BITE OF APU ECU IAW AMM 49-11-01, FOUND 2 MESSAGES ON PREVIOUS ATART ATTEMPTS, "START ABORTED TWICE". CLEARED APU ECU.Oct 10, 2018 · N1361A · Boeing 76731BSDR UIEA2018101002217Ecu · malfunctionedAPU INOP. REMOVED AND REPLACED APU ECU IAW AMM 49-61-05 OPERATIONAL CHECK NORMAL.Oct 10, 2018 · N1427A · Boeing 767306SDR ASAA2018101026435Unknown · malfunctionedAPU OVERSPEED LT ILLUMINATED DURING APU START APU FAILED TO START LT WENT OUT AFTER 5 MINUTES. GROUNDED - YES. STARTED APU, NO DEFECTS NOTED. NO HISTORY WITHIN 30 DAYS. BITE APU. FAULT CODE 49-31014. A/C OK FOR SERVICE.Oct 8, 2018 · N468AS · Boeing 737990ERSDR UIEA2018100802206Sensor · faultyAPU SHUTDOWN ON TAXI IN. REMOVED AND REPLACED CPRS INLET TEMP SENSOR IAW AMM 49-61-03. APU OPERATES NORMAL AT THIS TIME.Oct 7, 2018 · N640GT · Boeing 7673S1SDR UIEA2018101102237Ecu · malfunctionedAPU INOP. REPLACED ECU PER AMM 49-61-05 OPS CHECKS GOOD. TESTED APU, CYCLED APU BLEED VALVE 4 TIMES, OPS CHECKED GOOD.Oct 6, 2018 · N1181A · Boeing 7673Y0SDR ASAA2018100626413Sensor · failedFAULT LIGHT ILLUMINATED ON APU CSS AT FL380. GROUNDED - YES. CHECKED MAG PLUG PER FIM 49-60 TASK 817 STEP 4. NO DEFECTS NOTED. REPLACED SPEED SENSOR PER FIM 49-60 TASK 817 STEP 8 AND AMM 49-61-21. OPS CK GOOD, LK CK GOOD. NO FAULTS FOUND. STARTED APU SEVERAL TOct 6, 2018 · N590AS · Boeing 737890SDR UIEA2018100202165Ecu · faultyAPU INOP. R&R APU ECU IAW 49-61-05 OPS GOOD.Oct 2, 2018 · N1427A · Boeing 767306SDR UIEA2018092502055Sensor · defectiveAPU AUTO SHUT DOWN. REMOVED AND REPLACED INLET COMPRESSOR SENSOR IAW AMM 49-61-03. OPS CHECK NORMAL.Sep 25, 2018 · N1013A · Boeing 76736NSDR UIEA2018092402047Ecu · faultyAPU SHUTDOWN PAC SENSOR MESSAGE NO DUCT PRESSURE. REMOVED AND REPLACED APU ECU IAW AMM 49-60-01, TEST OK.Sep 24, 2018 · N1013A · Boeing 76736NSDR UIEA2018091301959Ecu · malfunctionedAPU WOULD NOT START AFTER LANDING, TRIED TWICE. EICAS "APU FAULT BOTH TIMES". REMOVED AND REPLACED ECU IAW AMM 49-61-05, PERFORMED BITE OF BOX IAW AMM 49-61-05 PERFORMED OPS. NO FAULTS NOTED.Sep 13, 2018 · N1373A · Boeing 76731KSDR UIEA2018090901931Ecu · malfunctionedAPU FAULT ON START. PERFORMED APU BITE PROCEDURE IAW FIM 49-11. CLEARED FAULTS, RE- RACKED ECU IAW AMM 49-01-05. OPS CHECK GOOD.Sep 9, 2018 · N1373A · Boeing 76731KSDR UIEA2018090401884Circuit Card · faultyAPU PNEU INOP. R&R SPEED CARD.Sep 4, 2018 · N1511A · Boeing 767383SDR ASAA2018082825932Probe · malfunctionedAPU WAS EXPERIENCING MULTIPLE ISSUES. HIGH CT5ATP AND FAULT CODE 49-71149, AND WAS SURGING DURING ENGINE START. ACFT GROUNDED. REPLACED THE APU ENGINE HARNESS IAW AMM 49-11-01/401. ACCOMPLISHED FIM 49-40/825 D. 7, 8. FOUND EGT PROBE NR 1 CASE TO TERMINALAug 28, 2018 · N459AS · Boeing 737990ERSDR UIEA2018082101759Sensor · faultyAPU AUTO SHUT DOWN. BITE CODE "REVERSE FLOW". T/S IAW FIM 49-11 FT 987. R&R LC TT SENSOR IAW AMM 49-61-03. APU OPS CHK GOOD PER 49-00-00. ERASED ECU PER FIM 49-11 FT 987. NO DEFECTS AT THIS TIME.Aug 20, 2018 · N1427A · Boeing 767306SDR HALA2018072300331Controller · faultyETOPS SIGNIFICANT SYSTEM, APU AUTO SHUT DOWN. REMOVED AND REPLACED APU CONTROLLER PER AMM 44-61-05. OPS CHECK NORMAL.Jul 21, 2018 · N583HA · Boeing 76733ASDR UIEA2018071201449Ecu · faultyAPU AUTO SHUTDOWN SEVERAL TIMES, TROUBLESHOOT. REMOVED AND REPLACED APU ECU IAW AMM 49-61-05. OPS AND BITE TEST GOOD.Jul 10, 2018 · N641GT · Boeing 76738ESDR UIEA2018070901406Ecu · malfunctionedAPU AUTO SHUT DOWN. REMOVED AND REPLACED APU ECU IAW AMM 49-61-05 OPS AND BITE TEST GOOD.Jul 10, 2018 · N641GT · Boeing 76738ESDR UIEA2018070301327Control Unit · malfunctionedAPU INOP. REMOVED AND REPLACED APU CONTROL UNIT IAW MM 49-61-05. APU PNEUMATIC CHECK GOOD.Jul 3, 2018 · N1229A · Boeing 767306SDR UIEA2018070101299Ecu · faultyAPU AUTO SHUT DOWN MULTIPLE TIMES. REMOVED AND REPLACED ECU IAW AMM 49-61-05. OPS CHECK SATISFACTORY.Jul 1, 2018 · N649GT · Boeing 767375
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