# SDR FDEA202407130990

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2024
- Submitted: July 15, 2024
- Operation: Air carrier
- Aircraft: [N979FD](https://openairdocs.org/aircraft/N979FD), registered now
- Make and model: Boeing 757236
- Aircraft serial: 25592
- Aircraft time: 66,467 hours, 25,765 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Switch
- Part number: 4336731004400
- Condition: Burned
- Location: Flight Deck
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202407130990

## Discrepancy

FWD CARGO COMPARTMENT FIRE EXTINGUISHER ARMED  SWITCH FOUND DAMAGED AND BURNED FROM ELECTRICAL  ARCING, CAUSING FAN CONTROL FWD CARGO AND LEFT  RECIRC FAN CONTROL CIRCUIT BREAKERS TO TRIP.  ENT BY: 202601 RPT BY:202601 REMOVED AND REPLACED THE APU/CARGO FIRE CONTROL PANEL M10444

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