# SDR SWAA091098

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2009
- Submitted: February 17, 2009
- Operation: Air carrier
- Aircraft: [N501SW](https://openairdocs.org/aircraft/N501SW), registered now
- Make and model: Boeing 737-5H4
- Registry model: [Boeing 737-5H4](https://openairdocs.org/model/boeing-737-5h4) (OpenAirDocs)
- Aircraft serial: 24178
- Aircraft time: 58,821 hours, 58,290 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Sense Line
- Part number: 312A1033
- Condition: Punctured
- Location: Nr 2 Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA091098

## Discrepancy

AIR TURNBACK / DECLARED EMERGENCY.  ON TAKEOFF HAD 0 FAULT LIGHT ON FIRE DETECT SYS.  THIS WAS FOLLOWED BY A NR 2 ENG OVERHEAT AND A NR 2 FIRE LIGHT.  BOTH THE ENG OVERHEAT LIGHT AND FIRE LIGHT AS WELL AS THE FAULT LIGHT EXTINGUISHED WITHIN SECONDS.  REMOVED AND REPLACED SENSE LINE PER MM.

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