# SDR SWAA990221

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N697SW
- Make and model: Boeing 7373T0
- Aircraft serial: 23838
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Failed
- Location: Apu
- Stage of operation: CR
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA990221

## Discrepancy

EN ROUTE TO MDW, CREW STARTED APU AT FL250; APU FIRE LIGHT ILLUMINATED FOR APPROX 5-10 SECONDS.  FIRE LIGHT EXTINGUISHED WITH NO CREW ACTION, ACCOMPLISHED QRH FOR APU FIRE.  FIRE HANDLE PULLED; BOTTLE NOT DISCHARGED.  INSPECTED APU FIRE LOOPS, NO DEFECTS NOTED.  RERACKED FIRE DETECTION BOX PER M/M.  SYSTEM OPS CHECK NORMAL.

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