# SDR WRLA20111224528

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2011
- Submitted: December 27, 2011
- Operation: Air carrier
- Aircraft: N279WA
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48756
- Aircraft time: 43,059 hours, 7,566 cycles
- Engine: Pwa PW4460
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Detection Sys
- Condition: Malfunctioned
- Location: Cargo Bay
- Stage of operation: CL
- 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/WRLA20111224528

## Discrepancy

IN FLIGHT LEVEL III CARGO FIRE LWR AFT ALERT.  CARGO FIRE DETECTION SYSTEM INSPECTED NO FINDINGS ALSO NO SIGN OF CONDENSATION OR OTHER CONTAMINANTS CARGO COMPT O/MGAT TEST CARRIED OUT NO FINDINGS.

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