# SDR UPS01434751

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2001
- Submitted: January 25, 2001
- Operation: Air carrier
- Aircraft: [N673UP](https://openairdocs.org/aircraft/N673UP), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20325
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Circuit Board
- Condition: Dirty
- Location: Fire Detection
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS01434751

## Discrepancy

INSPECTION TYPE:PFLT CREW PREFLT NR 2 ENG FIRE BELL WILL NOT CUT OUT.  CLEANED AND RE-RACK CARD A-6, OP CK NORMAL.

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