# SDR IPXA2018083133408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2018
- Submitted: September 12, 2018
- Operation: Air carrier
- Aircraft: [N580UP](https://openairdocs.org/aircraft/N580UP), registered now
- Make and model: Boeing 747428F
- Aircraft serial: 25632
- Aircraft time: 100,489 hours, 17,214 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire
- Condition: Damaged
- Location: Fire Detector
- Stage of operation: NR
- 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/IPXA2018083133408

## Discrepancy

ENG 4 FIRE LP B STATUS MSG ILLUMINATED DURING FLIGHT. FOUND CMC MSG 26027. REPAIRED WIRE AT UPPER AFT FIRE DETECTOR T681 PER SWPM 20-10-13. OPS CKS GOOD.

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