# Service difficulty reports: JASC 7412

A list on [JASC 7412](https://openairdocs.org/jasc/7412.md).

Reports filed under 7412 · Exciter, newest first.

Page 1 of 6 · 300 reports

- [SDR YENA2026101200939](https://openairdocs.org/sdr/YENA2026101200939.md): Exciter · faulted · Oct 10, 2026 · N2157J · Airbus A321271NX
  > FLT # 1577, BOS-LAS. (ETOPS) "ENG 2 IGNITION A FAULT ( IGNITION SYSTEMS SYSTEM A); REMOVED AND REPLACED ENG #2 IGN EXCITER IAW AMM 74-11-01. IGNITION TEST PASS ON BOTH CHANELS WITH BOTH IGNITERS, MX-4 UPDATED PLACARD REMOVED."
- [SDR SWAA2026080350456](https://openairdocs.org/sdr/SWAA2026080350456.md): Exciter · failed · Jul 28, 2026 · N8531Q · Boeing 7378H4
  > ENGINE NR 2 FUEL FLOW DROPPED TO ZERO, NO LIGHT OFF. OK TO CONTINUE PER MEL 74-1-02 SP1 T/S FAULT PER M-24-174-00061 ON TTG8Q01DEZBT. FOUND NR 2 ENG LT EXCITER BAD. REMOVED AND REPLACED LT EXCITER IAW AMM 74-11-01 ON TTG8Q01DF1NJ. OPS CK GOOD. CLEARED MEL 7
- [SDR ABXA20260722331](https://openairdocs.org/sdr/ABXA20260722331.md): Exciter · defective · Jul 22, 2026 · N391CM · Boeing 767381
  > ON PUSH BACK & START LEFT ENG IGNITOR 1 & 2 FAILED. CREW RETURNED TO THE GATE (BTB). T/S LEFT ENG IGNITION SYS IAW FIM 74-00 F/T 809 AND SSM 74-31-01, REMOVED AND REPLACED LEFT ENG #2 EXCITER BOX PER AMM 74-11-01. SYS CKS NORMAL PER AMM 74-00-00 AUDIBLE TEST V
- [SDR YENA2026042800437](https://openairdocs.org/sdr/YENA2026042800437.md): Exciter · faulted · Apr 28, 2026 · N2193J · Airbus A321271NX
  > FLT# 1620. BOS-LHR. (ETOPS) "ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B); REPLACED ENG 2 IGN EXICTER PER AMM 74-11-00 OPERATIONAL CHECK OK
- [SDR I5PA2026042519302](https://openairdocs.org/sdr/I5PA2026042519302.md): Exciter · failed · Apr 25, 2026 · N193AN · Boeing 757223
  > FLIGHT MGE305, LEFT ENGINE IGNITION SYSTEM 1 INOP. REPLACED SYS 1 EXCITER.
- [SDR NACA2025093000007](https://openairdocs.org/sdr/NACA2025093000007.md): Exciter · damaged · Sep 30, 2025 · N567NC · Boeing 76733A
  > NR 1 ENG TOP IGNITION EXCITER INSIDE OUTPUT RECEPTACLE WELL HAS DAMAGE / SIGNS OF ARCING ON THE CONTACT BUTTON. REMOVED AND REPLACED #1 ENG TOP IGNITION EXCITER IAW B767 AMM 74-11-01-004-001-N00 AND AMM 74-11-01-404-019 STEP 3.
- [SDR I5PA2025093019306](https://openairdocs.org/sdr/I5PA2025093019306.md): Exciter · inoperative · Sep 28, 2025 · N193AN · Boeing 757223
  > LEFT ENGINE IGNITION SYSTEM 1 INOPERATIVE. REPLACED LEFT ENGINE IGNITION SYSTEM 1 EXCITER.
- [SDR I5PA2025091768802](https://openairdocs.org/sdr/I5PA2025091768802.md): Exciter · inoperative · Sep 17, 2025 · N688SL · Boeing 757230
  > RIGHT ENGINE IGNITION SYSTEM 1 INOP. PERFORMED OPS CHECK, FOUND SYSTEM 1 EXCITER INOP. REPLACED IGNITION EXCITER PER APPLICABLE AMM.
- [SDR QR9R2025091100001](https://openairdocs.org/sdr/QR9R2025091100001.md): Exciter · failed · Sep 11, 2025 · Bolkms BK117C2
  > ABORTED TAKEOFF FOR #2 ENGINE WOULD NOT START DURING RUNUP. TROUBLESHOOTING REVEALED THE FWD IGNITION EXCITER BOX ON #2 ENGINE TO BE BAD WITH NO SPARK ON IGNITER. REMOVED AND REPLACED #2 ENGINE IGNITION EXCITER BOX IAW ENGINE MANUAL 74-11-00-900-801-A01.
- [SDR YENA2025090500913](https://openairdocs.org/sdr/YENA2025090500913.md): Exciter · faulted · Sep 4, 2025 · N4022J · Airbus A321271NX
  > FLT#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 74-1
- [SDR CALA2025081107527](https://openairdocs.org/sdr/CALA2025081107527.md): Exciter · faulted · Aug 11, 2025 · N838UA · Airbus A319131
  > HUNG START ON NUMBER 1 ENGINE AFTER STARTER CUT OUT. STRONG FUEL ODOR IN FLTDECK AFTER CRANK CLASS 3 FUEL DEPULSE ACTIVATED 1. LEADS TO TSM 80-00-00-810-819-A. ENG START INITIAL TO IDLE SPEED TOOK 2 PLUS MINUTES ON 2 STARTS. ODOR OF FUEL SMELL IN FLIGHT DECK U
- [SDR HALA20250708209](https://openairdocs.org/sdr/HALA20250708209.md): Exciter · out of limits · Jul 7, 2025 · N393HA · Airbus A330243
  > ETOPS - #2 ENG IDG EXCITER FIELD CHECKS OUT OF LIMITS PER TSM 24-20-00-810-875-A PARA 4 (A) (1). IDG REMOVED UP TO AMM 24-21-51-000-804A STEP 4(A). CONTINUED REMOVAL OF #2 IDG AND REPLACED #2 IDG PER AMM 24-21-51 OPS AND DISCONNECT TEST CHECK GOOD OK FOR SVC.
- [SDR HALA20250627199](https://openairdocs.org/sdr/HALA20250627199.md): Exciter · faulted · Jun 26, 2025 · N214HA · Airbus A321271N
  > ETOPS - ENG 1 IGN B FAULT. REMOVED & REPLACED IGNITION EXCITER PER AMM 74-11-01-000-801-A & AMM 74-11-01-400-801-A. REMOVED & REPLACED IGNITER PLUG PER AMM 74-21-01.PERFORMED OPS TEST OF IGNITION SYSTEM PER AMM 74-00-00-710-802-A. OPS TEST GOOD. NO FAULTS NOTE
- [SDR YENA2025060400563](https://openairdocs.org/sdr/YENA2025060400563.md): Exciter · failed · Jun 3, 2025 · N4077J · Airbus A321271NX
  > FLT#1907, JFK-CDG. (ETOPS) 'ENG 1 ING B FAULT ( IGNITION SYSTEMS B) SYSTEM B); REMOVED AND REPLACED IGN B IAW AMM 74-21-41; REMOVED AND REPLACED IGNITION EXITOR IAW AMM 74-11-38; OPS NOPS NORMAL NO FAULTS NOTED MDDR CLEARED PLACARD REMOVED.'
- [SDR I5PA2025042875701](https://openairdocs.org/sdr/I5PA2025042875701.md): Exciter · faulted · Apr 28, 2025 · N757QM · Boeing 75729J
  > FLT: MGE301. LH ENG DID NOT START ON IGNITOR 1 STARTED NORMAL ON BOTH. R/R LH ENG EXCITER 1 PER AMM.
- [SDR DXTA2025012702092](https://openairdocs.org/sdr/DXTA2025012702092.md): Exciter · defective · Jan 23, 2025 · N330QS · Emb EMB505
  > LEFT ENGINE HUNG START: 80-10-06-01 WHEN STARTING ENGINE 1 OBSERVED IGNITION B FUEL FLOW, AND N1 HANG AT 4% ABORTED THE START, RAN THE ENGINE START MALFUNCTION QRC CONTACTED MCC. CORRECTIVE ACTION: REPLACED ENGINE IGNITION EXCITER. OPS CHECK GOOD. IAW P-300 EM
- [SDR HNAA2024120901165](https://openairdocs.org/sdr/HNAA2024120901165.md): Exciter · faulted · Dec 6, 2024 · N670AE · Emb EMB145LR
  > E2 HUNG START AT 30%N2 ON FADEC A. CREW STOPPED START SEQ WHEN FUEL SMELLED IN A/C. FACT 06DEC24 21:38 PHL R&R E2 LEFT IGNITION EXCITER IAW RRM 74-13-10. STARTED E2 OF BOTH FADECS. OPS CHECK GOOD. NO FUEL SMELL IN A/C WHILE RUNNING ENGINE. OK FOR SERVICE A
- [SDR CALA2024100900792](https://openairdocs.org/sdr/CALA2024100900792.md): Exciter · faulty · Oct 7, 2024 · N14231 · Boeing 737824
  > ATTEMPTED 3 ENGINE STARTS FIRST 2 L IGNITION 3RD ATTEMPT W/ IGNITION IN BOTH ENGINE #1 FAILED TO START, ADDED ENG #1 EEC BITE FAULT IMAGES. PERFORMED IGNITER AUDIBLE TEST ON ENG 1 REF AMM 74-00-00-750, TEST PASSED ON BOTH IGNITERS CHANNEL A & B SPAR VALVE
- [SDR CALA2024051401472](https://openairdocs.org/sdr/CALA2024051401472.md): Exciter · faulted · May 11, 2024 · N227UA · Boeing 777222
  > ENG IGNITOR R2 STATUS MSG AFTER LANDING EXISITING FAULT MESSAGE 74-61502. REQUEST TO APPLY 7400D. ITEM PLACED ON MEL 7400D ENG R IGN 2 MEL 7400D APPROVED BY TOMC *DM* ADDED PLUG (CH31923-5), LEAD (10-609660-7) AND EXCITER (10-621630-2) IF NEEDED. M&L UPDATED.
- [SDR ASAA2023102145769](https://openairdocs.org/sdr/ASAA2023102145769.md): Exciter · faulty · Oct 21, 2023 · N956AK · Boeing 7379
  > #1 ENG. WILL NOT START WITH IGN. R/H STARTS NORMAL WITH IGN. L/H. GROUNDED - YES. (RESOLVED ON W/O: 1974578 TASKCARD: N/R-00001) FOUND FAULT HISTORY FOR #1 ENG RIGHT IGNITION SYSTEM IS FAILED MAINT MSG 74-42541. REF IFIM G74-00-00-810-839. OPENED ENG #1 COWLS
- [SDR ASAA2023092645343](https://openairdocs.org/sdr/ASAA2023092645343.md): Exciter · inoperative · Sep 26, 2023 · N949AK · Boeing 7379
  > L IGN INOP #1 ENG. GROUNDED - YES. (RESOLVED ON W/O: 1971196 TASKCARD: N/R-00001) FOUND MAINTENANCE MESSAGE 74-42491. ACCOMPLISHED IFIM TASK G74-00-00810-821. REMOVED AND REPLACED THE L/H IGNITER PLUG AND EXCITED. REF AMM 74-21-02 AND AMM 74-11-01. ALL OPS CH
- [SDR ABXA20240925188](https://openairdocs.org/sdr/ABXA20240925188.md): Exciter · degraded · Sep 22, 2023 · N650GT · Boeing 767200
  > #2 ENGINE WOULD NOT START ON APU.,ACCOMPLISHED APU OPS AND LEAK CHECK IAW B767 AMM 49-11-00. APU PNEUMATICS WORK GOOD IN ALL MODES. 30-35 PSI. IN MES. FOUND RH ISOLATION SLIP JOINT WITH PNEUMATIC LEAK, SEE LP 38740-91/1 FOR DUCT REPAIR FURTHER T/S REQUIRED.
- [SDR CALA2023082802643](https://openairdocs.org/sdr/CALA2023082802643.md): Exciter · inoperative · Aug 25, 2023 · N654UA · Boeing 767322
  > ENG. 2 DID NOT LIGHT OFF WITH IGNITER 1.. OK IN BOTH IGNITERS. THIS ITEM IS RELATED TO LP 5547676 TO BE CLEARED AN REFER TO RIGHT ENGINE IGNITER NO. 1 PLACED ON MEL 7400E DDP C/W. THIS LP AND MEL 7400E REQUIRED. CONFERRED WITH DISPATCH AND VERIFIED THIS IS NO
- [SDR ASAA2023082344743](https://openairdocs.org/sdr/ASAA2023082344743.md): Exciter · faulty · Aug 23, 2023 · N960AK · Boeing 7379
  > DID NOT GET LIGHT OFF ON #2 ENG START. GOOD DUCT PRESSURE. HAD FUEL FLOW FOR 5-10 SEC - THEN WENT TO ZERO. IGNITION CB'S ALL IN. STARTED #2 ENG ON RIGHT IGNITION. GROUNDED - YES. REMOVED AND REPLACED # 2 ENGINE RIGHT IGNITER PLUG, IGNITION LEAD & RIGHT EXCITER
- [SDR ASAA2023073144331](https://openairdocs.org/sdr/ASAA2023073144331.md): Exciter · faulty · Jul 31, 2023 · N975AK · Boeing 7379
  > #2 ENGINE NO LIGHT OFF, NO FUEL FLOW OBSERVED. GROUNDED - YES. (RESOLVED ON W/O: 1960968 TASKCARD: N/R-00001) REMOVED AND REPLACED LH IGN PLUG REF AMM 74-21-02, REMOVED AND REPLACED LH IGN LEAD REF AMM 74-21-01, REMOVED AND REPLACED LH IGN EXCITER REF AMM 74-
- [SDR ASAA2023062143661](https://openairdocs.org/sdr/ASAA2023062143661.md): Exciter · faulty · Jun 21, 2023 · N467AS · Boeing 737990ER
  > STARTING #1 ENGINE WITH HUFFER CART AND IGN SWITCH ON R WE GOT 2 HUNG STARTS WITH APPARENT LITE OFF. CONTACTED MAINTENANCE CONTROL AND TRIED TO START #1 ENGINE ON L IGN AND IT STARTED NORMALLY. GROUNDED - YES. REMOVED AND REPLACED #1 ENG RH IGNITION EXCITER I.
- [SDR ASAA2023052543391](https://openairdocs.org/sdr/ASAA2023052543391.md): Exciter · faulty · May 25, 2023 · N979AK · Boeing 7379
  > #2 ENGINE FAILED TO START. HUNG START AFTER MOTORING FUEL FLOW WAS INTRODUCED AT 0.24 FOR 5-10 SECONDS THEN WENT TO ZERO. GROUNDED - YES. REMOVED AND REPLACED LEFT IGNITION EXCITER, LEFT IGNITER PLUG AND LEFT IGNITION LEAD ON #2 ENGINE PER B737-9 AMM 74-11-01
- [SDR ASAA2023010941494](https://openairdocs.org/sdr/ASAA2023010941494.md): Exciter · faulted · Jan 9, 2023 · N530AS · Boeing 737890
  > ON ENGINE #2 START WITH START LEVER IDLE NO EGT RISE OR LIGHT OFF. ON IGNITION R. GROUNDED - YES. REMOVED AND REPLACED #2 ENG RH IGNITOR PLUG I.A.W. B737-800 AMM 74-21-02; OPS CK GOOD. REMOVED AND REPLACED #2 ENG TOP IGNITION EXITER (RH) I.A.W. AMM 74-11-01.
- [SDR DALA2023010300030](https://openairdocs.org/sdr/DALA2023010300030.md): Exciter · failed · Jan 3, 2023 · N681DA · Boeing 757232
  > FIRE/DE - ABORTED ENGINE START ON RIGHT ENGINE. MOTORED ENGINE PER QRH. SWITCHED FROM ENG START 1 TO ENGINE START 2. SECOND ENGINE START INDICATED NORMAL IN COCKPIT BUT CAUSED SMALL TAIL PIPE FIRE. CAPTAIN THEN SHOT DOWN ENGINE. PERFORMED GVI OF FLAPS AND EN
- [SDR YENA2022120901238](https://openairdocs.org/sdr/YENA2022120901238.md): Exciter · failed · Dec 9, 2022 · N2105J · Airbus A321271N
  > FLT#1926, LGW-BOS. (ETOPS) 'ENG IGN A FAULT DURING START; REMOVED AND REPLACED # 1 ENG IGNITION EXCITER BOX IAW EMM 74-11-01. OPS CHECK GOOD.'
- [SDR ASAA2022112740983](https://openairdocs.org/sdr/ASAA2022112740983.md): Exciter · faulted · Nov 27, 2022 · N402AS · Boeing 737990ER
  > #2 ENGINE FAILED TO START WITH THE RIGHT IGNITOR 2 FAILED ATTEMPTS. GROUNDED - YES. REMOVED AND REPLACED THE R/H IGNITER PLUG, R/H IGNITION LEAD AND EXCITER. OPS CHECK GOOD. PERFORMED TWO SUCCESSFUL ENGINE STARTS ON THE R/H IGNITION. REF AMM 74-21-01, AMM 74-
- [SDR ASAA2022111940907](https://openairdocs.org/sdr/ASAA2022111940907.md): Exciter · inoperative · Nov 19, 2022 · N949AK · Boeing 7379
  > NO 1 ENGINE NO EGT ON START WITH R IGNITOR SELECTED. WITH LEFT IGNITOR SELECTED THE START WAS SUCCESSFUL. GROUNDED - YES. VERIFED 1 ENG R IGNITION INOP. REMOVED AND REPLACED R IGNITION EXCITER AND R IGNITION IGNITER PER B737-9 AMM 74-11-01 AND 74-21-02OPS TEST
- [SDR P5CA2022111700204](https://openairdocs.org/sdr/P5CA2022111700204.md): Exciter · faulted · Nov 17, 2022 · N643GT · Boeing 7673JHF
  > SINGLE IGNITOR FAIL, NO LIGHT. R/ #2 ENGINE(<P>CONTINUE OPS PER MEL 74-00-01A TRANSFER TO MDDR 175362. CAT A DUE 18NOV22.</P> / <P>LOG PAGE 1584511 M6: R/R RH ENGINE #2 EXCITER IAW AMM 74-11-01. PERFORMED AUDIBLE OPS CHECK IAW AMM 74-00-00. OPS CHECK NORMAL ON
- [SDR ASAA2022111440827](https://openairdocs.org/sdr/ASAA2022111440827.md): Exciter · faulted · Nov 14, 2022 · N949AK · Boeing 7379
  > ON INITIAL START ATTTEMP FOR ENGINE #1, START LEVER WAS RAISED TO IDLE AFTER "MOTORING" EXTINGUISHED, 'SPAR VALVE CLOSED' EXTINGUISHED FOLLOWED BY ' ENG VALVE CLOSED' EXTINGUISHING, WE GOT 0.26FF FOR - 15 SECONDS BEFORE 'ENG VALVE CLOSED' ILLUMINATED AND FF WE
- [SDR ASAA2022111140775](https://openairdocs.org/sdr/ASAA2022111140775.md): Exciter · inoperative · Nov 11, 2022 · N919AK · Boeing 7379
  > AMBER MAINT LIGHT ON OVERHEAD PANEL ILLUMINATED ON LANDING. GROUNDED - YES. MAINT LIGHT ILLUMINATED DUE TO ENG 2 IGNITION FAULTS. REMOVED & REPLACED RIGHT EXCITER IAW B737-9 AMM 74-11-01. PERFORMED POWER PLANT TESTS 18 & 19 IAW AMM 71-00-00. ALL TESTS GOOD. NO
- [SDR ASAA2022111040759](https://openairdocs.org/sdr/ASAA2022111040759.md): Exciter · inoperative · Nov 10, 2022 · N919AK · Boeing 7379
  > #2 ENGINE FAILED TO START AFTER PUSHBACK. START LEVER WAS IN IDLE FOR 15 SECONDS WITH NO EGT RISE. GROUNDED - YES. REMOVED & REPLACED RIGHT EXCITER IAW B737-9 AMM 74-11-01. PERFORMED POWER PLANT TESTS 18 &19 IAW AMM 71-00-00. ALL TESTS GOOD. NO MSGS DISPLAYED.
- [SDR ASAA2022102740534](https://openairdocs.org/sdr/ASAA2022102740534.md): Exciter · faulty · Oct 27, 2022 · N919AK · Boeing 7379
  > STARTING #2 ENG, MOTORED FOR A FEW SECONDS, N2 BEGAN TO RISE AT 36 SECONDS, FUEL WAS INTRODUCED AND N2 HUNG AROUND 32.0 (STAYED AT 32.0), STOPPED START - REPEATED START PROCEDURE WITH SAME RESULT. GROUNDED - YES. REMOVED AND REPLACED R EXCITER REF B737-9 AMM 7
- [SDR ABXA2022081378](https://openairdocs.org/sdr/ABXA2022081378.md): Exciter · defective · Aug 13, 2022 · N650GT · Boeing 767231
  > LEFT NO LIGHT OFF WITH #2 IGNITION ACCOMPLISHED ABORTED ENG PROC. ATTEMPTED SECOND START IN BOTH, NO LIGHT OFF. FF=700 N2=24. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE REMOVED AND REPLACED #2 IGN EXCITER BOX IAW B767 AMM 74-11-01. PREFORM
- [SDR ASAA2021081235709](https://openairdocs.org/sdr/ASAA2021081235709.md): Exhaust Cone · failed · Aug 12, 2021 · N558AS · Boeing 737890
  > DURING #2 ENGINE START WITH START LEVER AT IDLE AS N2 NEARED 30% FUEL DROPPED TO ZERO. UNSUCCESSFUL START. GROUNDED - YES. REMOVED AND REPLACED R IGNITION EXCITER REF B737-800 AMM 74-11-01-000-801-F00, AND 74-11-01-400-801-F00. OPS CHECK GOOD. PERFORMED TWO SU
- [SDR UIEA2021052401167](https://openairdocs.org/sdr/UIEA2021052401167.md): Exciter · faulted · May 23, 2021 · N1361A · Boeing 76731B
  > R ENG IGNITER 2 STATUS MESSAGE.(<P>REMOVED AND REPLACED LEFT AND RIGHT IGNITER ON ENGINE # 2 (P/N 10-630390-5) IAW B767 AMM 74-21-02. PROBLEM STILL EXISTS. TRANSFERRED TO DMI # 147418 IAW 74-00-01B, CAT C.</P><P>REMOVED AND REPLACED RH ENG #2 IGNITION LEAD(A2)
- [SDR ASAA2021050534760](https://openairdocs.org/sdr/ASAA2021050534760.md): Exciter · failed · May 5, 2021 · N579AS · Boeing 737890
  > #2 ENG FAILED TO LIGHT OFF DURING STARTING START SWITCH WAS IN "L". GROUNDED - YES. CONFIRMED FAULT, #2 ENGINE L-IGNITION INOP. FOUND IGNITER LEAD DEFECTIVE. REMOVED & REPLACED IGNITION LEAD REF B737-800 AMM 74-21-01 AND REPLACED M421 LEFT IGNITION EXCITER AND
- [SDR ASAA2021042834707](https://openairdocs.org/sdr/ASAA2021042834707.md): Exciter · failed · Apr 28, 2021 · N592AS · Boeing 737890
  > #2 ENG FAILED TO START 2 ATTEMPTS WITH "L" IGNITION. GROUNDED - YES. REMOVED AND REPLACED L AND R MAIN IGNITERS REF T/C 78474000 AND REMOVED AND REPLACED LEFT IGN EXCITER REF B737-800 AMM 74-11-01. AUDIBLE TEST GOOD REF AMM 74-00-00. IDLE POWER RUN SUCCESSFUL
- [SDR ASAA2021032934450](https://openairdocs.org/sdr/ASAA2021032934450.md): Exciter · inoperative · Mar 29, 2021 · N459AS · Boeing 737990ER
  > DURING #2 ENGINE START, FUEL FLOW WAS LESS THAN NORMAL. START STAGNATED, AND FUEL FLOW WENT TO ZERO. GROUNDED - YES. REMOVED & REPLACED RIGHT HAND IGNITION EXCITER ON ENGINE #2 IAW B737-900 AMM 74-11-01-000-801-F00 & 74-11-01-400-801-F00. OPS CHECK GOOD. MTX P
- [SDR ASAA2021032234393](https://openairdocs.org/sdr/ASAA2021032234393.md): Exciter · inoperative · Mar 22, 2021 · N459AS · Boeing 737990ER
  > ENGINE # 2 DID NOT START ON RIGHT IGNITER STARTED PROPERLY ON LEFT IGNITER. GROUNDED - YES. REMOVED AND REPLACED #2 ENG RIGHT IGNITION EXCITER BOX REF B737-900 AMM 74-11-01. AS A PRECAUTION REMOVED AND REPLACE #2 ENG MAIN IGNITER PLUGS REF AMM 74-21-02. MMEL 7
- [SDR I5PA2021022188806](https://openairdocs.org/sdr/I5PA2021022188806.md): Exciter · inoperative · Feb 21, 2021 · N888LT · Boeing 757230
  > LEFT ENGINE IGNITION SYSTEM NUMBER 2 FOUND INOPERATIVE DUE TO A FAULTY IGNITION EXCITER. EXCITER WAS REPLACED AND CONFIRMED OPERATIONAL WITHOUT FURTHER ISSUES.
- [SDR I5PA2021012188804](https://openairdocs.org/sdr/I5PA2021012188804.md): Exciter · faulty · Jan 21, 2021 · N888LT · Boeing 757230
  > DISCREPANCY NR 1 ENGINE FAILED TO START WITH IGN 1. STARTED OK WITH IGN SW BOTH POSITION. CORRECTIVE ACTION: REMOVED AND REPLACED LT ENGINE IGN 1 EXCITER, IAW AMM 74-11-01. AUDIBLE CHECK OK.
- [SDR 9JLA2021020425345](https://openairdocs.org/sdr/9JLA2021020425345.md): Exciter · defective · Jan 3, 2021 · N821DF · Lear 60LEAR
  > THE FLIGHT CREW REPORTED THAT DURING ENGINE START AN AMBER RIGHT ENGINE COMPUTER ANNUNCIATOR ILLUMINATED. THE MAINTENANCE TEAM DOWNLOADED THE ENGINE COMPUTER AND TROUBLESHOT PER THE PRATT AND WHITNEY MANUAL. IT WAS DETERMINED THAT UPPER AND LOWER EXCITER BOXES
- [SDR HALA2020112000210](https://openairdocs.org/sdr/HALA2020112000210.md): Exciter · defective · Nov 18, 2020 · N212HA · Airbus A321271N
  > ETOPS DMI NR 202688 BTB. ENGINE 2 IGNITION A FAULT (IGNITION SYSTEMS PW ENGINES SYSTEM A (EXCEPT FOR ER OPERATIONS, MAY BE INOPERATIVE ON ONE ENGINE ONLY)). PERF TSM 74-00-00-810-931-A. REMOVED AND REPLACED IGNITION EXCITER, PER AMM 74-11-01. OPERATIONSS C
- [SDR UIEA2020101302232](https://openairdocs.org/sdr/UIEA2020101302232.md): Exciter · inoperative · Oct 13, 2020 · N1619A · Boeing 7673Y0
  > LEFT ENGINE DID NOT START WITH NR 2 IGNITOR SELECTED. SWITCHED TO BOTH IGNITORS AND START WAS SUCCESSFUL. TRANSFERRED TO DMI 135990, IAW MEL 74-00-01B, CAT "C" DUE DATE 23OCT20, PLACARD INSTALLED. DISPATCH JD 06:40Z. CVG MX, 15OCT. REMOVED & REPLACED NR 2
- [SDR ASAA2020090233133](https://openairdocs.org/sdr/ASAA2020090233133.md): Exciter · inoperative · Sep 2, 2020 · N435AS · Boeing 737990ER
  > DURING START OF NR 1 ENGINE WE OBSERVED NO LIGHT OFF OR EGT INCREASE. RAN QRH PROCEDURES FOR ABORTED START AND DURING SECOND START ATTEMPT HAD THE SAME RESULT, NO LIGHT OFF. GROUNDED - YES. RESOLVED ON W/O: 1845469 TASKCARD: N/R-00001. REMOVED AND REPLACED

Next page: https://openairdocs.org/jasc/7412/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 = '7412'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/7412/reports

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