JASC 7497
Service difficulty reports · 97
Reports filed under 7497 · Ignition System Wiring, 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 = '7497' 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 = '7497' 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 2026FA0000309Contact · mismanufacturedPARTS NEW OUT OF THE BAG WILL NOT CLOSE LIKE THEY ARE SUPPOSED TO. THESE ARE MAGNETO CONTACT POINTS AND SHOULD FIRMLY CLOSE/CONTACT NEW OUT OF THE BAG. WE HAVE THE MAJORITY OF THESE NEW PARTS THAT ARE NOT CORRECT OUT OF THE BAG. P/N: AB-382622; SOUTHERN CROSS SDR 2026FA0000040Ignition Lead · openDURING ENGINE RUN UP PRE MAINTENANCE MECHANIC NOTICED AN EXCESSIVE MAG DROP ON RT ENGINE LT MAG. CHECKED PLUGS AND MAG TIMING NO ISSUES NOTED. INSPECTED IGNITION LEADS AND FOUND B4 LEAD OPEN. IGNITION LEAD PHYSICAL INSPECTION IS GOOD. FAILED INTERNALLY AT 243.SDR NACA2025101000004Cable · crackedNR 2 ENG LOWER IGNITION EXCITER CABLE BUSHING UNDER CERAMIC SLEEVE CRACKED. DOT 048200. REMOVED AND REPLACED NR 2 ENG LOWER IGNITION EXCITER CABLE IAW B767 AMM 74-21-01-004-001-N00. TEST OK. PO # GYR10300795. TW ID T100360-1 D/D 8/12/26. MECH: ALD025 10/06/SDR YENA2025090500912Ignition Lead · damagedFLT#1621, LHR-BOS. (ETOPS) L1 TSI - ENG 1 IGN A FAULT, APPROVAL REQUIRED FOR RESOLUTION, DUE TO PREVIOUS ENGINE 1 IGNITION A FAULT IN LHR AND THE INABILITY TO MEL SYSTEM A ON THE ETOPS FLEET PLEASE REPLACE ENG#1 SYSTEM A EXCITER, IGNITER AND LEAD REF AMM 74-1SDR 2025FA0000512Wire Harness · failed inspPILOT OBSERVED #4 CYLINDER TEMPERATURE INDICATING IN THE RED. MADE AN UNSCHEDULED LANDING AT KBOI. LOCAL FBO PERFORMED TROUBLESHOOTING. LOGBOOK ENTRY; "TESTED PROBES WITH SATISFACTORY RESULTS. PERFORMED ENGINE RUN. FOUND LH MAG TO HAVE EXCESSIVE DROP (OVER 900SDR NACA2025051100001Feeder Cable · damagedFOUND TOP EXCITER TO IGNITER CABLE ON #1 ENGINE IGNITER END DAMAGED. REPLACED #1 ENGINE EXCITER TO IGNITER PLUG CABLE IAW AMM 74-21-01 OPS TEST GOOD.SDR HNAA2024032800235Wire Harness · damaged#2 ENG HUNG START WITH HEAVY FUEL SMELL (ONLY 0N FADEC 2A). MEL 28MAR24 06:10 RIC B08803 74-1 IGNITION SYSTEM CHANNELS. FOUND DAMAGED/BENT PIN ON PMA A PLUG PIN A. R+R PIN A IAW RR MM 74-11-15. R+R W11 BLUE EXTERNAL HARNESS IAW RR MM 76-11-20. LEAK CK.SDR HALA20240205033Ignition Lead · arcedETOPS - WHILE WORKING TSI FOR ENG 2 IGN FAULT SAW ARCING AT 4002EH2 IGNITION LEAD. REMOVED IGNITION LEAD PER AMM 74-21-52-000-801-A. INSTALLED IGNITION LEAD PER AMM 74-21-52. OPS TEST GOOD. OK FOR SVCSDR 2023F00282Wire · brokenRIGHT HAND MAGNETO OFF LIGHT ILLUMINATED ON RIGHT HAND MVP-50P ENGINE INSTRUMENT DISPLAY. PILOT RETURNED TO AIRPORT, LANDED NORMALLY. MAINTENANCE DISCOVERED BROKEN WIRE AT RPM SENSOR AT RIGHT HAND ENGINE RIGHT HAND MAGNETO. (MAGNETO STILL OPERATED NORMALLY)SDR ASAA2023091245121Ignition Lead · unknown#1 ENGINE HAD NO IGNITION, OTHER INDICATIONS NORMAL. GROUNDED - YES. (RESOLVED ON W/O: 1968107 TASKCARD: N/R-00002 ) REPLACED #1 ENG L/H IGNITION LEAD SNAP CK GOOD. REF AMM 74-21-01THIS CLEARS MEL 74-1C PLACARDS REMOVED SEAMC SCOTT NOTIFIED.SDR ASAA2023012841711Lead · inoperativeDURING START OF ENGINE #2, HAD NO LIGHTOFF, SECURED ENGINE PER QRC/QRH. RAMP REPORTED SMALL FUEL PUDDLE UNDER #2 COWL. START ATTEMPT WITH RH IGNITER. GROUNDED - YES. REMOVED AND REPLACED #2 ENG R/H IGINITION LEAD REF B737-800 AMM 74-21-01/ 401 MEL 74-1E MAINT.SDR ABXA20221001106Lead · faulted2 FAILED START ATTEMPTS ON LEFT ENGINE W/IGNITION IN BOTH. 3RD ATTEMPT STARTED L ENGINE USING #1 IGNITION. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE. RESET IGNITER LEAD #1, RUN #1 ENG OPS CK OK. A/C RETURNED TO SERVICE.SDR ASAA2021082635794Lead · damaged#2 ENGINE, LEFT IGNITION LEAD, BRAIDED CONDUIT DAMAGED, BRAID DAMAGED. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE LEFT IGNITION LEAD PER MM 74-21-01.SDR 9JLA2021082017373Relay · failedTHE FLIGHT CREW REPORTED THE LEFT ENGINE IGNITORS WOULD NOT TURN OFF. THE MAINTENANCE TEAM DETERMINED THAT THE KZ051 RELAY CONTROLLING THE SYSTEM WAS AT FAULT. THE RELAY WAS REPLACED WITH A NEW UNIT AND OPERATIONAL CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS RESDR UIEA2021032100666Lead · damagedENG #2 UPPER HI TENSION LEAD DAMAGED(<P>REMOVED AND REPLACED #2 ENG UPPER HI TENSION LEAD IAW B767-300 AMM 74-21-01 NOTE. OPS CHK GOOD.</P>)SDR UIEA2021031200526Cable · damagedLEFT ENGINE #2 IGNITION INOP ( IGNITION SYSTEMS, EXCEPT ER OPERATIONS (NOTIFY DISPATCH) (R60) )(<P>PARTS NOT TO BE RECEIVED IN TIME. ITEM TRANSFERED TO DMI# 143687 PER MEL 24-00-01B. CAT E. DUE DATE 21MAR21. P/N REQ: 10-609660-7. MCC NOTIFIED. NO MTX ACTION RESDR I5PA2021010375701Lead · burnedREF NRC CARD NO 001. FOUND ON A8 CHECK RIGHT ENGINE UPPER IGNITER LEAD CERAMIC BURNT OR MELTED. REMOVED AND REPLACED RIGHT ENGINE UPPER IGNITER LEAD. OPERATIONS CHECK OK, REF. AMM 74-21-01.SDR ASAA2020091833196Connector · meltedNR 1 ENG NO START AFTER 2 ATTEMPTS ON RT IGNITION. GOOD ROTATION, GOOD FF, NO IGNITION. GROUNDED-YES. PERFORMED IGNITION SYSTEM TEST, PER B737-800 AMM 74-00-00. RIGHT IGNITER BITE TEST SHOWS FAULT 74-30981, RT EXCITOR IS OUT OF RANGE. REMOVED & REPLACED NSDR ASAA2020022852299Connector · out of positionENGINE 1 IGN A FAULT DURING START GROUNDED - YES. CW IGN TEST IAW AMM 74-00-00-710-803-A, BOTH CHAN A/B TEST OK #1 ENG .VERIFIED IGN EXCITER CONN IN CORRECT POSITION. REF TSM74-21-00-810-809-A AND TECH OPS BRIEF (LEAP 1A DELAYED LIGHT OFF) NO MAINT ACTION IS NSDR UIEA2020012200109Wire · damagedRIGHT ENGINE IGNITOR 1 WAS INOPERATIVE. REMOVED AND REPLACED THE IGNITER PLUG NR 1 IAW AMM 74-21-02, NO HELP. REMOVED AND REPLACED RH ENGINE IGNITION EXCITER IAW AMM 74-11-01, NO HELP. FOUND BAD WIRE ON P37 AT RELAY K1231 (WDM 74-31-21). REPAIRED WIRE IAW SWPSDR ASAA201912091510Wire Harness · faultedENGINE #1 IGN A FAULT DURING START UP. AFTER THIRD START ATTEMPT ITS STARTED BUT DISPLAYED ENG 1 START FAULT AND ENG 1 IGN FAIL. GROUNDED - YES. DEFERRED. VERIFIED ENG 1 IGN A FAULT, ITEM RELEASED PER MEL 74-31-01-01-C, MX PROCEDURE C/W SWAPPED OF IGN SYS HARSDR KY7A201912052001Wire · brokenPILOT REPORTED PARTIAL POWER LOSS IN FLIGHT, PILOT ACTIVATED CONTINUOUS IGNITION WHICH RESTORED POWER. AUTO IGNITION DID NOT OPERATE PROPERLY. MX PERFORMED NTS GROUND CHECK IAW TPE331 MM CHAPTER 72-00-00 TROUBLE-SHOT SYSTEM AUTO IGNITION SWITCH NOT EXTINGUISHISDR ASAA2019110231228Connector · defective#1 ENG ING C/B "R" POPPED. GROUNDED - YES. FOUND CONNECTOR D30064 PIN 1 SHORTED TO GND WHEN SIDE LOADED. FOUND CONNECTOR PIN OUT NOT TO MATCH B737-800 WIRING DIAGRAM REF 74-11-11. REMOVED & REPLACED CONNECTORS D30062 AND D30064 AND RETERMINATED PINS AND PLUGS SDR UIEA201910225760Lead · faultedITEM 1: STATUS MSG L ENGINE IGNITER 1. ITEM 2: INFO ONLY - NO LIGHTOFF L ENG, FIRST START USED BOTH IGNITERS. 2ND START GOOD, ENG START SWITCH REMAINS IN BOTH. SDR AWKA2019080501Lead · unsecureABOUT AN HOUR OUT FROM LANDING WHILE CRUISING AT FL450, THE RIGHT ENGINE ROLLED BACK AND SHUT DOWN WITHOUT ANY COMPONENT FAILURE NOR ANY ACTION FROM THE CREW. THE AIRCRAFT SHOWED IT WAS ATTEMPTING TO AUTO RE-LIGHT BUT THERE WAS NO INDICATION OF FUEL OR IGNITIOSDR UIEA2019061074434Connector · corrodedNR 1 ENG IGNITION BOXES HAVE CORROSION ON CANNON PLUG CONNECTION RECEPTACLES. REMOVED AND REPLACED BOTH IGNITION EXCITER BOXES AND PERFORMED SATISFACTORY OPS TESTS #1 ENG IAW AMM 74-11-01 AND AMM 74-00-00.SDR UIEA2019032203628Wire · damaged"R ENG IGNITOR 2" STATUS MESSAGE.(<P>TRANSFERRED TO DMI 109050, MEL 74-00-01B. CAT: C, DUE 31MAR19. MCC NOTIFIED & PLACARD INSTALLED. DISP. JL @ 16:35Z.</P><P>REPINNED WIRE W66-62P-22 @ TB104 PIN XC2 IAW SWPM 20-90-11 $ WDM 74-31-21. PERFORMED ENGINE RUN IAW ASDR ASAA2019021268150Connector · failed#1 ENG DOES NOT SHOW EGT INDICATION ON ENGINE START. GROUNDED - YES. SWAPPED IGNITION BOXES - RIGHT C/B CONTINUES TO POP. SWAPPED LEADS, SAME RESULTS IN ALL 3 START POSITIONS. A/C RETURNED TO ORIG CONFIG EXCEPT IGN BOXES REMAIN SWAPPED POSITION. FOUND PIN 14 OSDR FQAR20180919050Wire · deterioratedDURING A SCHEDULED INSPECTION, FOUND THE POWER WIRE FOR THE START BADLY DETERIORATED WITH NUMEROUS BARE SECTIONS OF WIRE EXPOSED. THE WIRE APPEARS TO BE AUTOMOTIVE TYPE WIRE AND WAS SUPPLIED AS PART OF THE INSTALLATION KIT.SDR FQAR20180919049Wire · deterioratedDURING A SCHEDULED INSPECTION, FOUND THE POWER WIRE FOR THE START BADLY DETERIORATED WITH NUMEROUS BARE SECTIONS OF WIRE EXPOSED. THE WIRE APPEARS TO BE AUTOMOTIVE TYPE WIRE AND WAS SUPPLIED AS PART OF THE INSTALLATION KIT.SDR CA180723009Wire Harness · arced(CAN) NR 1 ENGINE FADEC REPORTS CODE 970 ON BOTH CHANNELS `NO LIGHT UP WITH IGNITER B`. MTC CONDUCTED IGNITER TEST AND DISCOVERED THE IGNITION CABLE B ARCING ON A CUSHION CLAMP. IGNITION CABLE B REPLACED AND TESTED WITH NO FURTHER FAULT NOTED. (TC# 20180723SDR ASAA2017041320465Lead · frayedWHILE PERFORMING T/C 78474000 MAIN IGNITER PLUGS REMOVAL AND INSTALLATION, FOUND THE LEFT IGNITION LEAD WORN AND FRAYED ON THE NR 2 ENGINE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENGINE LT IGNITION LEAD IAW AMM 74-21-01. AUDIBLE AND OPS CHECKED GOOD.SDR 9JLA201705229610Wire · damagedMAINTENANCE CREW HAD A REPORT THAT THE LT ENGINE IGNITION SYSTEM FAILED. VERIFIED THAT THERE WAS NO IGNITION OPERATION WHEN SELECTED TO THE IN THE ON POSITION. TROUBLESHOOTING A COLD SOLDERED CONNECTION ON ONE PIN OF THE LT IGNITION SWITCH. SOLDERED WIRE TO PSDR ASAA2017030620035Circuit Breaker · trippedATTEMPTED TO START THE NR 2 ENGINE, START VALVE OPENED BUT NO FUEL FLOW OCCURED AND NO LIGHT OFF. BOTH ENGINE VALVE AND SPAR LIGHTS WERE DARK. FOUND THE NR 2 ENGINE LEFT IGNITON CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. RESET THE CIRCUIT BREAKER IAW AMM 20-60SDR UIEA2016060100366Connector · unsecureRIGHT ENG IGNITOR 1 STATUS MSG. PLACED ON MEL 74-00-01B, MDDR 67109. SECURED CONNECTOR SOCKETS AT AW0325 CONNECTION SYS TEST IAW AMM CH 74-00-00. RT ENG IGNITOR OPERATES NORMAL MDDR 97109 CLOSED.SDR UIEA2016052500352Connector · looseRIGHT ENG IGNITER 1 STATUS MSG. PLACED DEFERRAL 74-00-01B MDDR 66953. FOUND CONNECTOR ON EXCITER BOX LOOSE, TIGHTENED SAME OPS CHECKS GOOD THIS CLEARS MDDR 66953 AMM 74-11-01.SDR HNAA2016040500099Circuit Breaker · failedNR 1 ENGINE FAILS TO START. FOUND C/B ENGINE NR 1 OPENED. RAN TEMP WIRE FROM 9811-P27T TO 9811-TB19 7F AND VERIFIED C/B REMAINS IN FOR ENGINE START. TEMP WIRE NEEDS TO BE REINSTALLED IAW SP24.4.SDR UIEA2016032200215Wire · brokenRIGHT ENG NR 1 IGNITION INOPERATIVE. FOUND BROKEN WIRE AT RELAY K607 PIN A1 IN P11 NR 1 IGN SYS. RE-TERMINATED WIRE W040-714-22 IAW SWPM 20-81-12 & WDM 74-31-21. OPERATIONS CHECKED RT NR 1 IGN IAW AMM 74-00-00. OPERATIONS CHECKED GOOD.SDR CA151019009Lead · damaged(CAN) CREW REPORTED INABILITY TO START NR 2 ENGINE. 2 ATTEMPTS WERE MADE IN FULL AUTO. CARRIED OUT ENGINE "DRY-MOTOR", ATTEMPTED "MANUAL" START. ENGINE MOTORED TO CORRECT N2 BUT AFTER IGNITION, CREW ABORTED START DUE UNUSUALLY HIGH TRENDING START TEMP. INVESTSDR 7C7A201506110052Wire · damagedSCC-1430L AVIONICS COOLING FAN INOP. (FIRE/SMOKE INFLIGHT AIR TURNBACK). AVIONICS COOLING FAN DEFERRED AND THEN REPLACED WHEN AIRCRAFT RETURNED TO BASE. UPON FURTHER INVESTIGATION FOUND NR 2 ENGINE AUTO IGNITION SYSTEM INOP. REPAIRED WIRE 20004A20 IN 2 PLASDR HALA2015022200024Wire · damagedETOPS SIGNIFICANT SYSTEM-UPON C/W 12K TASK CARD FOUND NR 2 ENGINE "B" IGNITION WIRE DAMAGE GOING INTO TOP OF THE PLUG. INSULATION ON WIRE IS PULLED AWAY SHOWING ACTUAL WIRE WITH EXPOSED WIRE AND EVIDENCE OF ARCING. R & R NR 2 ENGINE "B" IGNITION WIRE IAW AMMSDR CA140321011Lead · misinstalled(CAN) DURING ENGINE MAGNETO TIMING/SYNCHRONIZATION, FOUND IGNITION SWITCH POSITIONS INCORRECT. TROUBLESHOOTING DETERMINED LT AND RT "P" LEADS REVERSED ON MAGNETOS.SDR CA130410003Wire · damaged(CAN) LIGHTNING STRIKE ON RT SIDE OF ACFT. RT ENGINE ITT IMMEDIATELY WENT ABOVE RED LINE AND RT ENGINE SHUTDOWN. CREW DID NOT ATTEMPT RELIGHT. MAINTENANCE PERFORMED LIGHTNING STRIKE INSPECTION, COMPLIED WITH OVER TEMP INSPECTION AND ACCOMPANYING BORESCOPE OFSDR UALA2013040202124Connector · reversedLEFT ENGINE NR 2 IGNITION SYSTEM INOPERATIVE. FOUND M7196 NR 1 EXCITER BOX CONNECTOR SWAPPED WITH M7197 NR 2 EXCITER BOX CONNECTOR. WRONG IGNITION SYSTEM BEING TROUBLESHOT AND PARTS REPLACED. CORRECTED CONNECTOR POSITIONS AND REPLACED LEAD AND PLUG ON NR 1 SDR 2013FA0000197Wire · brokenDURING TAXI IN, ENGINE WAS VIBRATING AND MIS-FIRING AT OR BELOW 1000 RPM. MX PERSONNEL DUPLICATED PROBLEM BY PLACING MAGNETO SWITCH ON RT MAG ONLY. RT MAGNETO WAS REMOVED TO DISCOVER COIL PRIMARY LEAD TO POINTS HAD BROKEN OFF. COIL LEAD WIRE HAD NOT BEEN CRSDR 2013FA0000145Ignition Lead · chafedIGNITION HARNESS DISCOVERED CHAFING IN SEVERAL LOCATIONS DUE TO FACTORY ROUTING OF WIRES. THIS CONDITION WAS FOUND ON 5 T-53 ACFT. ADDITIONAL AIRCRAFT TAIL NUMBERS INCLUDE 10104, 10102, 10107 AND 10111SDR CA121206008Lead · failed(CAN) MOC RECEIVED A CALL FROM THE FLIGHT CREW. THE CREW REPORTED DURING THE START OF ENGINE NR 1 THERE WAS NO ITT INCREASE ABOVE 12 DEGREE DURING ROTATION. CREW RESET THE ACFT AND CYCLED THE IGNITION SWITCH TO OFF AND ATTEMPTED ANOTHER START. ON THE 2ND ATSDR 2012FA0000770Wire Harness · wornMORE THAN 10 AREAS OF THE IGNITION WIRE HARNESS HAD WORN THROUGH THE SHIELDING. TWO WIRES WOULD NOT PASS HIGH TENSION TEST. THIS IS THE THIRD ACFT WITH THIS CONDITION BUT IT IS THE WORST.SDR UALA2012081704588Connector · defectiveFOUND ELECTRICAL CONNECTOR ON R1 IGNITION EXCITER LOCKING FUNCTION DEFECTIVE WHILE WORKING DF0616. REPLACED CONNECTOR. COMPLETED AND PASSED MAT TEST REF MM 74-00-00, OPERATIONAL TEST OF IGNITION SYSTEM STILL NEEDS TO BE COMPLETED.SDR CA121212004Switch · faulty(CAN) LEFT ENGINE, RT MAGNETO SWITCH FOUND TO BE FAULTY AND REPLACED WITH NEW.
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