JASC 7400

Service difficulty reports · 249

Reports filed under 7400 · 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 = '7400'
  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 SWAA2026100247358Igniter · failedNR 1 ENGINE FUEL FLOW, LI LIGHT OFF, LEFT IGNITION SELECTED NR 1 ENGINE FUEL FLOW LI LIGHT OFF LEFT IGNITION SELECTED 05 - OK TO CONTINUE PER MEL 74-1-02 XA. PERFORMED IGNITION SYSTEM AUDIBLE TEST PER AMM 74-00-00 NO AUDIBLE IGNITION ON L IGNITER ON CH A & CHSep 28, 2026 · N7750A · Boeing 7377BDSDR YENA2026092100856Ignition Sys · faultedFLT 1524, LAX-JFK. (ETOPS) ENG 2 IGN A FAULT ( IGNITION SYSTEMS SYSTEM A ). R & R ENG NR 2 IGNITION A IAW AMM 74-21-01-400-801-A. OPS CHK OK.Sep 19, 2026 · N2169J · Airbus A321271NXSDR YENA2026090400727Ignition Sys · faultedFLT 1407, JFK-CDG. (ETOPS) ENG 2 IGN B FAULT ( IGNITION SYSTEMS SYSTEM B ). OPENSep 3, 2026 · N4073J · Airbus A321271NXSDR YENA2026082400700Ignition Sys · faultedFLT# 331, BOS-MXP. (ETOPS) "ENG 2 IGN B FAULT ( IGNITION SYSTEMS SYSTEM B ).Aug 23, 2026 · N4073J · Airbus A321271NXSDR 2026FA0000655Ignition Switch · failedAUTO IGNTION SWITCH FAILURE. SWITCH FAILED INTERNALLY.Aug 19, 2026 · N205RC · Dhav DHC3SDR SWAA2026071531528Ignition Sys · faultedNR 1 ENGINE HAD IMPENDING HOT START INDICATION COUPLED WITH FUEL LIKE ODOR. FOUND NR 1 ENGINE LT IGNITION TO BE INOPERATIVE. NO EVIDENCE OF FUEL. OK TO CONTINUE IAW MEL 74-1-02, SP1 PERFORMED NR 1 ENGINE LT IGNITION TEST IAW AMM 74-00-00-750-801-F00 AND ENGINJul 5, 2026 · N8559Q · Boeing 7378H4SDR YENA2026062200486Ignition Sys · faultedFLT 1333, BOS-SFO. (ETOPS) DURING ENG 1 START IGN A FAULT ENG COMPLETED AUTOSTART ( IGNITION SYSTEMS SYSTEM A ). PER TSM 74-00-00-810-831-A THIS IS A NUISANCE MESSAGE. PERFORMED SNAP TEST IAW AMM 74-10-00. MX4 UPDATED, PLACARD REMOVED.Jun 21, 2026 · N2105J · Airbus A321271NXSDR YENA2026061900484Ignition Sys · warning messageFLT 411, JFK-LAS. (ETOPS) ENGINE 1 IGNITION B FAULT (IGNITION SYSTEMS SYSTEM B ). PERFORMED OPS CHK THROUGH CFDS IAW AMM 74-00-00-710-802-A. OPS CHK OK. MDDR CLEARED. MX-4 UPDATED.Jun 17, 2026 · N2165J · Airbus A321271NXSDR YENA2026051300453Warning Message · false indicationFLT #33, BOS-CDG,(ETOPS)ENG 1 START FAULT FOLLOWED BY ENG 1 IGN FAULT ; RESET IGN SYS A AND PERFORMED SUCCESSFUL ENG 1 IGN A START. CONSIDERED NUISANCE. ETOPS GROUND VERIFICATION CW. AC OK FOR SVC REF TSM 74-00-00-710-139-A.May 10, 2026 · N4058J · Airbus A321271NXSDR YENA2026020200104Ignition Sys · faultedFLT 523, JFK - LAX (ETOPS) . ENG 2 IGN B FAULT, AFTER ENGINE STARTED ( IGNITION SYSTEMS B) SYSTEM B ). R & R IGN B IN ENG NR 2 IAW AMM 74-21-01. OPS TESTED GOOD.Jan 31, 2026 · N4058J · Airbus A321271NXSDR YENA2025092300963Exciter · faultedFLT#2289, AMS-JFK. (ETOPS) "ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B ); (RESOLVED ON W/O: 1443473 TASKCARD: NR-00003) REMOVED AND REPLACED ENG 2 IGNITER B& R/R IGNITER B CABLE IAW AMM 74-21-61 OPS CHK GOOD MX-4 UPDATED, PLACARD REMOVED.Sep 22, 2025 · N4080J · Airbus A321271NXSDR YENA2025091800949Ignition Sys · faultedFLT#354, DUB-JFK. (ETOPS) "ENG 1 IGN B FAULT ON START UP ( IGNITION SYSTEMS B) SYSTEM B ); PERFORMED SINGLE ENGINE IDLE RUN PER AMM 72-00-00 ALL OPS CHK NORMA; NO CURRENT IGNITION FAULT MDDR CLEARED MX04 UPDATED PLACRD REMOVED.Sep 17, 2025 · N2169J · Airbus A321271NXSDR CALA2025081107570Sleeve · cutFOUND CUT ON TEFLON SLEEVE ON NR 1 ENGINE LOCATED BETWEEN 6-7 O'CLOCK. FOUND NO DAMAGED TO KEVLAR WRAP. TEFLON SLEEVE TEAR IS MEASURED TO BE 20"X16". UNABLE TO PERFORM REPAIR DUE TO REMOVAL REQUIREMENTS OF COMPONENTS. DAMAGE IS OKAY TO CONTINUE AS LONG IT IS Aug 9, 2025 · N75854 · Boeing 757324SDR YENA2025060200552Ignition Sys · faultedFLT#2288, JFK-AMS. (ETOPS) 'ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B ).' (SUPPLEMENTAL INFORMATION TO FOLLOW)Jun 1, 2025 · N4076J · Airbus A321271NXSDR YENA2025052100526Ignition Sys · faultedFLT#1333, BOS-SFO . (ETOPS). 'ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B ); FOLLOWED TSM 74-00-00-810-832-A STARTED ENG #2 TWICE NO DEFECTS NOTED, THIS CLEARS MDDR #583121, MX4 UPDATED, PLACARD REMOVED.May 21, 2025 · N4076J · Airbus A321271NXSDR ABXA20250515096Egt Indication · reads highON TAXI OUT, ATTEMPTED NORMAL START ON LEFT ENG, EGT WAS HIGH. ABORTED START. ACCOMPLISHED QRH PROCEDURE. SECOND ATTEMPT WAS HIGH EGT AND ABORTED. NO EXCEEDANCE OF EGT. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE PERFORMED IGNITION SYSTEM AUDIBLE TEST IAWMay 15, 2025 · N650GT · Boeing 767231SDR CALA2025041703927Ignition Sys · inoperativeENG 2 FAIL TO START SRONG FUEL SMELL MOTOR ENG SECOND ATTEMPT UN SUCCES REQUEST MEL 7401G. IGNITION 2 FAULTY. MX MSG 74-30962. IGNITION EXCITER LEFT/RIGHT POWER SUPPLY CABLES HAVE BEEN SWAPPED. WHEN CLEARING THIS MEL ITEM, ENSURE IGNITION EXCITER LEFT/RIGHT POApr 17, 2025 · N34460 · Boeing 737924ERSDR QR9R2024120300001Solenoid Valve · failed#1 ENGINE WOULD NOT IGNITE IN 3 ATTEMPTS. NO RISE IN TGT IN ALL 3 ATTEMPTS. SWAPPED #1 AND #2 ENGINE IGNITION SOLENOID VALVES IAW SAFRAN ARRIEL 1 MANUAL 73-14-20-900-801-A01. PROBLEM FOLLOWED IGNITION SOLENOID VALVE TO THE #2 ENGINE. REMOVED AND REPLACED SOLENDec 3, 2024 · Bolkms BK117C2SDR YENA2024100701333Ignition Sys · faultedFLT#1620, BOS-LHR. (ETOPS) 'ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B ); REMOVED & REPLACED ENG #2 IGNITION B IAW AMM 74-31-02 OPS CHECK GOOD MX-4 UPDATED, PLACARD REMOVED.Oct 4, 2024 · N4076J · Airbus A321271NSDR YENA2024082601171Ignition Sys · no discrepancyFLT#33, BOS-CDG. (ETOPS) 'ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B ); PERFORMED OPERATIONAL TEST OF FADEC 2 CHANNEL A AND B, NO FAULTS NOTED.Aug 24, 2024 · N4062J · Airbus A321271NSDR CALA2024080600376Relay · failedENG IGNITOR R2 STATUS MSG AWAITING TOMC APRVL TO DEF R ENG IGNITOR 2 PER MEL 7400D M-PROCEDURE C/W PLACARD INSTALLED TOMC APPROVES MEL 7400D DEF. RT ENG NBR 2 IGNITOR INOP PER MEL 7400D M-PROCEDURE C/W PLACARD INSTALLED *DM* REF. AIPC 74-11-21-02-01 ITEM 5 ADDAug 5, 2024 · N209UA · Boeing 777222SDR 2024FA0000449Ignition Sys · faultedSUREFLY SIM PRODUCED WHAT SOUNDED LIKE AND FELT LIKE DETONATION IN THE PHASE OF FLIGHT FROM CLIMB TO CRUISE WHEN PROP RPM WAS REDUCED. INFLIGHT TESTING SHOWED DRAMATIC TEMP DROP IN EGT IN CYLINDERS 3 AND 4 WHEN SUREFLY WAS SELECTED ONLY. SUREFLY SIM OPERATED Jun 14, 2024 · N9372S · Beech B24RSDR 8HBR20240520062Ignition Unit · failedPILOTS REPORTED A ROUGH ENGINE RUNNING ON THE LEFT IGNITION UNIT (EIS). IT WAS DETERMINED THE EIS UNIT HAS FAILED. THIS IS THE SECOND EIS IGNITION UNIT TO FAIL ON THIS AIRCRAFT.May 19, 2024 · N4056V · Robsin R44SDR 2024FA0000244Ignition Switch · wornDIFFICULTY TURNING KEY BETWEEN POSITIONS AND DIFFICULTY REMOVING KEY FROM SWITCH.Mar 21, 2024 · N655DS · Diamon DA40SDR NACA2024022900001Engine · inoperativeMI@1150Z KMIA NO IGNITION ON R ENG START ATTEMPT, R IGNITOR SELECTED. DEFERRED PER MEL 74-00-01B ON 2-29-24@1205Z.Feb 29, 2024 · N399CM · Boeing 767323SDR QR9R2024022200001Solenoid Valve · failed#1 ENGINE FAILED TO START. IGNITION SOLENOID VALVES SWAPPED FROM ENGINE TO ENGINE. PROBLEM FOLLOWED IGNITION SOLENOID VALVE. REMOVED AND REPLACED #1 ENGINE IGNITION SOLENOID IAW AMM 73-14-20-900-801-A01.Feb 22, 2024 · Bolkms BK117C2SDR 2024FA0000183Ecu · failedLEFT ENGINE HAS CONTINUED TO HAVE ECU FAILS RELATED TO "PROP SELF TEST FAIL". THE PROP GOV HAS BEEN REPLACED 10 TIMES IN 366HRS. EACH TIME IT IS REPLACED IT FIXES THE ISSUE FOR SEVERAL DAYS BUT THEN COMES BACK AGAIN. THE ENGINE HARNESS HAS BEEN REPLACED, THE EFeb 21, 2024 · N542BL · Diamon DA42NGSDR YENA2024011100031Unknown · unknownFLT#1124, LAX-JFK. (ETOPS) 'ENG 1 IGN B FAULT. AFTER NUMBER 1 ENGINE START; REMOVED AND REPLACED ENG #1 IGN B PLUG IAW AMM 74-21-01. OPS CHECK GOOD. THIS CLEAR MDDR 535016. MX-4 UPDATED. PLACARD REMOVED. MCC NOTIFIED.' ( IGNITION SYSTEMS B) SYSTEM B ).Jan 9, 2024 · N2156J · Airbus A321271NSDR QR9R2023112900001Solenoid Valve · failedDURING START RUN-UP, ENGINE #2 DID NOT START AFTER 3 ATTEMPTS; TOT DID NOT RISE. REMOVED AND REPLACED IGNITION SOLENOID VALVE IAW ARRIEL E2 73-14-20-900-801-A01. TEST PILOT MOC COMPLETED; ENGINE STARTED NORMALLY.Nov 29, 2023 · Bolkms BK117C2SDR YENA2023112001437Unknown · unknownFLT#1124, LAX-JFK. (ETOPS) ENG 1 IGNITION A FAULT AFTER ENGINE START ( IGNITION SYSTEMS A) SYSTEM A ). REMOVED AND REPLACED ENG 1 IGNITER "A" IRW AMM PW1000G-C-74-21-01. OPS CHECK SUCCESSFUL. PLACARD REMOVED. MX-4 UPDATED.Nov 20, 2023 · N4048J · Airbus A321271NSDR ASAA2023100645473Unknown · unknown#2 ENGINE WON'T START WITH IGNITION ON R. GROUNDED - YES. C/O BITE TEST OF SYSTEM A AND SYSTEM B CHANNELS ENG #2 WAS NOT ABLE TO DUPLICATE FAULT C/O ENGINE START WITH IGNITION SET ON (R) IGNITER, ENGINE START NORMAL.Oct 6, 2023 · N941AK · Boeing 7379SDR ASAA2023092645333Unknown · unknownOVERHEAD MAINT LIGHT ILLUMINATED. GROUNDED - YES. OPS TEST CHANNEL B IGNITION SYSTEM, ENG #2 IGNITION TEST PASSED PER B737-9 AMM 71-00-00-730-805-G00.Sep 26, 2023 · N954AK · Boeing 7379SDR ASAA2023092245243Unknown · unknownMAINT LIGHT ILLUMINATED ON LANDING. GROUNDED - YES. CLEARED "ENG 2 IGNITER R" MSG PER G74-20-00-810-804 IFIM TASK. NO FURTHER STATUS MSG NOTED. CLEARED MAINT LIGHT.Sep 22, 2023 · N954AK · Boeing 7379SDR ASAA2023092245242Unknown · unknown#1 ENG L/H IGNITOR LEAD WORN THROUGH SHEATHING. GROUNDED - YES. (RESOLVED ON W/O: 1968911 TASKCARD: N/R-00006 ) PERFORMED IGNITION SYSTEM AUDIBLE TEST. OPS CK GOOD. NO DEFECTS FOUND. IAW AMM 74-00-00-750-801-F00 THIS CLEARS MEL 74-1C SEAMC NOTIFIED.PLACARD REMSep 22, 2023 · N569AS · Boeing 737890SDR ASAA2023092145231Unknown · unknownABORTED #1 ENG START. NEGATIVE LIGHT OFF. GROUNDED - YES. (RESOLVED ON W/O: 1968805 TASKCARD: N/R-00014 ) REVERSED MEL CONFIGURATION CHANGES. ACCOMPLISHED IFIM G74-00-00-810-839 AND EEC CHANNEL A IGNITION SYSTEM TEST PPER AMM G71-00-00-730-804-G00. TEST PASSEDSep 21, 2023 · N978AK · Boeing 7379SDR ASAA2023092045232Unknown · unknownWHILE STARTING #2, NO LIGHT OFF AFTER 3 ATTEMPTS IGN L. GROUNDED - YES. (RESOLVED ON W/O: 1970426 TASKCARD: N/R-00001 ) FOUND FAULT CODE 74-42493 IN HISTORY WITH NO CORRELATED FAULTS. TROUBLE SHOT PER IFIM974-00-00-810-823 FAULT WAS NOT ACTIVE OR LATCHED. PERFSep 20, 2023 · N936AK · Boeing 7379SDR 2023FA0000528Unknown · unknownPILOT REPORTS THAT THE INITIAL MAGNETO CHECK, THE ENGINE WAS RUNNING ROUGH, ON SECOND MAGNETO CHECK ENGINE SMOOTH OUT. ON TAKE OFF THE ENGINE POWER FLUCTUATED AND AIRCRAFT DID NOT MAKE POWER. PILOT ABORTED TAKE-OFF. WE PERFORMED A VISUAL INSPECTION OF THE ENGISep 8, 2023 · N792A · Piper PA28181SDR ASAA2023083144899Unknown · unknownON START ENGINE #1 WOULD NOT LIGHT OFF. FUEL FLOW INITIALLY STARTED AND THEN WENT TO 0. GROUNDED - YES. COMPLIED WITH FIM 74-21 TASK 806. VERIFIED NO RECENT FAULTS OR EXISTING FAULTS IN FAULT HISTORY. PERFORMED AUDIBLE TEST FOR #1 ENGINE AS INSTRUCTED IN FIM, Aug 31, 2023 · N559AS · Boeing 737890SDR ASAA2023083044861Unknown · unknownMAINT LT ILLUMINATED AFTER TOUCHDOWN. GROUNDED - YES. FOUND FDE ENG 1 IGNITER L WITH ACTIVE STATUS AND FAULT CODE 742 101 51. FOUND NO CORRELATED FAULTS. PERFORMED FIM TASK G74-20-00-810-801 WITH TEST 18 "EEC CHANNEL A IGNITION SYSTEM TEST" AND TEST 19 "EEC CHAug 30, 2023 · N963AK · Boeing 7379SDR ASAA2023082944898Unknown · unknownENG #2 NO LIGHT OFF. GROUNDED - YES. PER IFIM TASK G74-00-00-810-824. PERFORMED EEC CHANNEL B IGNITION SYSTEM TEST. REF AMM TASK G71-00-00-730-805-G00. OPS CHECK GOOD. NO DEFECTS NOTED. CLEARS MEL, SEAMC CARL NOTIFIED.Aug 29, 2023 · N953AK · Boeing 7379SDR ASAA2023082944862Unknown · unknownMAINT CAUTION LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. REF MEL 74-00-01C FOR #1 ENG R IGNITION SYSTEM 60643132. FOUND STATUS NOT INHIBITED. ACCOMPLISHED INHIBIT MAINT LIGHT REF MEL SECTION 1A. VERIFIED MAINT LIGHT EXTINGUISHED. AC OK FOR SERIVCE. MCSEAAug 29, 2023 · N954AK · Boeing 7379SDR ASAA2023072744281Unknown · unknownAFTER LANDING MAINT LIGHT ILLUMINATED. GROUNDED - YES. (RESOLVED ON W/O: 1961265 TASKCARD: N/R-00004 ) REVERSED MAINTENANCE PROCEDURES. FOUND FAULT CODE 74-42543. TROUBLESHOT PER IFIM G74-00-00-810-841. PERFORMED ENGINE 2 EEC IGNITION SYSTEM TEST REF AMM 71-00Jul 27, 2023 · N942AK · Boeing 7379SDR YENA2023072800875Unknown · unknownFLT#287, BOS-LAX. (ETOPS) 'ENG 2 IGN B ( IGNITION SYSTEMS - SYSTEM B ). REPLACED ENG 2 IGN B IGNIER REF 74-21-41. MX-4 UPDATED. PLACARD REMOVED. ER GROUND VERIFICATION ON LP 3694949 (PERFORMED ER GROUND VERIFICATION OF ENG 2 IGNITION B REF AMM 71-00-00. STARTJul 24, 2023 · N2142J · Airbus A321271NSDR HALA2023071200143Unknown · unknownETOPS - WHILE PERFORMING BORESCOPE, FOUND #2 IGNITER PLUG WORN. REMOVED AND REPLACED #2 IGNITER PLUG PER AMM 74-21-01. OPS CHECK GOOD, OK FOR SERVICE.Jul 11, 2023 · N230HA · Airbus A321271NSDR NACA2023061900001Unknown · unknownLH AND RH IGNITORS FOUND INOP DURING #2 ENGINE BORESCOPE INSPECTION. BOTH IGNITOR PLUGS #2 ENGINE REPLACED PER AMM 74-21-02 OPS CHECK GOOD.Jun 19, 2023 · N379CX · Boeing 767323SDR ASAA2023060843539Unknown · unknownMAINT LIGHT ON OVERHEAD PANEL ON AFTER LANDING. GROUNDED - YES. ON DEFERRAL.Jun 8, 2023 · N963AK · Boeing 7379SDR ASAA2023060543491Exciter · faultyNEGATIVE IGNITION ON #2 ENGINE START. VERY LOW FUEL FLOW WHEN START LEVER RAISED TO IDLE (.26) THEN WENT TO ZERO. GROUNDED - YES. REMOVED AND REPLACED R IGNTION EXCITER IAW B737-9 AMM 74-11-01-400-02-GOO REMOVED AND REPLACED R IGNITER PLUG IAW AMM 74-21-02/401Jun 5, 2023 · N978AK · Boeing 7379SDR YENA2023051900546Unknown · unknownFLT#1107, JFK-LHR. (ETOPS) 'ON 2 ENGINE START DURING TAXI OUT RC'VD ENG 2 IGN A FAULT ENGINE STARTED WITH AUTO MOTORING; REPLACED #2 ENG IGNITER "A" (UPPER) IAW AMM 74-21-01. IDLE RUN PERFORMED OPS CHECK GOOD. A/C OK FOR SVC.'May 19, 2023 · N4048J · Airbus A321271NSDR YENA2023005020488Unknown · unknownFLT#44, LGW-JFK. (ETOPS) ' ENG 1 IGNITION B INOP ( IGNITION SYSTEMS - SYSTEM B ); REMOVED AND RELACED ENG 1 IGN B IGNITOR IAW PW MM 74-21-61. THE OPS CHECK IS GOOD. NO FURTHER DEFECTS NOTED AT THIS TIME. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED. MCC NOTIFIEApr 29, 2023 · N4022J · Airbus A321271NSDR 2023FA0000207Unknown · unknownTHE MAGNETO'S IMPULSE COUPLING HAS LOOSE RIVETS AND THE MAGNETO SERIAL RANGE IS OUTSIDE OF SERVICE BULLETIN SB2-19A.Apr 12, 2023
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