# SDR SWAA2025051571526

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2025
- Submitted: May 15, 2025
- Operation: Air carrier
- Aircraft: [N431WN](https://openairdocs.org/aircraft/N431WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29845
- Aircraft time: 74,664 hours, 44,308 cycles
- Engine: Cfmint CFM567B242
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- Part: Exhaust Pipe
- Condition: Fire
- Location: Zone 400
- Stage of operation: TX
- How discovered: O
- Nature of condition: F
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025051571526

## Discrepancy

ON TAXI OUT BEFORE TAKE OFF THE CREW OF A NEARBY AIRPLANE REPORTED 2-3 FOOT FLAMES COMING OUT OF THE #1 ENGINE. TAILPIPE FIRE CHECKLIST COMPLIED WITH AND RETURNED TO GATE. NO INDICATIONS ON ON TAXI OUT BEFORE TAKE OFF THE CREW OF A NEARBY  AIRPLANE REPORTED 2-3 FOOT FLAMES COMING OUT OF THE #1 ENGINE. TAILPIPE FIRE CHECKLIST COMPLIED WITH AND RETURNED TO GATE. NO INDICATIONS ON THE FLIGHT DECK. VO FIRE OR OVERHEAT WARNINGS AND ENGINE INDICATIONS NORMAL<[01] T/S PER FIM 71-05-811. FOUND OIL PUDDLED IN EXHAUST PLUG. CLEANED OIL REF AMM 72-00-00. RAN ENGINE REF AMM 71-00-00. OK FOR SERVICE.

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