# SDR ASAA2020101433357

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2020
- Submitted: October 15, 2020
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 46,812 hours, 14,034 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Igniter
- Part number: 5188881
- Condition: Faulted
- Location: Nr 1 Engine
- Stage of operation: TX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020101433357

## Discrepancy

ENGINE NR 1 FAILED TO START W/IGN-L.  START SUCESSFUL W/IGN-R.  GROUNDED-YES. PERFORMED B737-800 FIM 74-21 TASK 806, NO FAULTS FOUND.  AS PRECAUTION REMOVED & REPLACED NR 1 ENGINE L IGNITER PLUG, REF B737-800 AMM 74-21-02.   PERFORMED IGNITION SYSTEM AUDIBLE TEST, REF B737-800 AMM 74-00-00 TEST PASSED.  WITH IGN L SELECTED PERFORMED NR 1 ENGINE START, REF B737-800 AMM 71-00-00.  OPERATIONS CHECK GOOD.  NO DEFECTS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.