# SDR UIEA2020072291573

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2020
- Submitted: July 22, 2020
- Operation: Air carrier
- Aircraft: [N476MC](https://openairdocs.org/aircraft/N476MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29256
- Aircraft time: 84,271 hours, 15,270 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Circuit Card
- Part number: 285N002836
- Part serial: D127752
- Condition: Malfunctioned
- Location: Fire Protection
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020072291573

## Discrepancy

AFT CARGO FIRE PROTECTION FIRE ALARM 2 SIGNAL FAIL.(<P>REMOVED AND REPLACED AFT CARGO (33) CIRCUIT CARD IAW AMM 26-10-01 AND OPS CHECK OK.</P>)

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