# SDR UPS03241531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2003
- Submitted: November 5, 2003
- Operation: Air carrier
- Aircraft: N951UP
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19850
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Condition: Malfunctioned
- Location: Cargo Bay
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS03241531

## Discrepancy

MX LIGHT ILLUMINATED IN FLT ON LOWER CARGO COMPARTMENT FIRE DETECTION / PROTECTION SYSTEM.  SYS OK LIGHT ILLUMINATED, NO MESSAGES DISPLAYED IN MX DISPLAY.  PERFORMED INITIALIZATION PROCEDURE PER MM 26-18-05.  OPS CHECK OK.

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