# SDR 02051301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2002
- Submitted: May 13, 2002
- Operation: Air carrier
- Aircraft: [N517NA](https://openairdocs.org/aircraft/N517NA), registered now
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Aircraft serial: 24260
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Smoke Detector
- Part number: 2156204A
- Part serial: UNK
- Location: Aft Cargo Comp.
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/02051301

## Discrepancy

At FL350, Aft Cargo Fire Light illuminated, first fire extinguisher discharged, light extinguished, on approach second fire extinguisher was discharged. Investigation revealed No sign of Heat or Fire; Light bulbs in smoke detectors burnt out. re-lamped smoke detectors, system checks ok per M/M 26-23-00 Investigation ongoing.

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