# SDR 2021F00133

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2021
- Submitted: May 25, 2021
- Operation: Air carrier
- Make and model: Boeing 737-800
- Registry model: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (OpenAirDocs)
- Aircraft serial: 29535
- Aircraft time: 59,646 hours, 24,558 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Module
- Part number: 4739551
- Condition: False Indication
- Location: Fire Detection
- Stage of operation: CR
- 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/2021F00133

## Discrepancy

CARGO FIRE INDICATION IN FLIGHT AT CRUISE ALTITUDE. LIGHT EXTINGUISHED AFTER 5 SECONDS. NO OTHER INDICATION OF FIRE FWD COMPARTMENT

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