# SDR SWAA2023100406899

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2023
- Submitted: October 4, 2023
- Operation: Air carrier
- Aircraft: [N936WN](https://openairdocs.org/aircraft/N936WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36643
- Aircraft time: 46,647 hours, 28,367 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: UNKNOWN
- Condition: Faulty
- Location: Zn 400 Nacelle/P
- Stage of operation: TX
- How discovered: 9
- Nature of condition: M, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023100406899

## Discrepancy

#2 ENINGE START VALVE LIGHT REMAINED ILLUMINATED AFTER ENGINE START. ABORTED ENGINE START AND #2 ENGINE OVERHEAT LIGHT ILLUMINATED; DISCHARGED BOTH FIRE BOTTLES.<[01] R/R START VALVE AMM 80-11-03<BR>R/R AIR TURBINE STARTER AMM 80-11-01<BR>R/R START SWITCH AMM 80-11-00;[02] R/R START VALVE AMM 80-11-03<BR>R/R AIR TURBINE STARTER AMM 80-11-01<BR>R/R START SWITCH AMM 80-11-00

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