# SDR XNOA1192

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2004
- Submitted: July 19, 2004
- Operation: Air carrier
- Aircraft: N79754
- Make and model: Boeing 727227
- Aircraft serial: 21363
- Aircraft time: 55,145 hours, 34,858 cycles
- Engine: Pwa JT8D9
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Battery
- Condition: Malfunctioned
- Location: Fire Detector
- Stage of operation: DE
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/XNOA1192

## Discrepancy

MAIN CARGO FIRE ALARM ILLUMINATED DURING DESCENT, VISUAL CHECK OKAY.   LIGHT EXTINGUISHED SHORTLY AFTER.  REMOVED AND REPLACED 2 EACH MAIN DECK SDU BATTERIES.   SDU CHECKS GOOD IAW SECURE-A-PLANE MM.

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