# SDR JBZA38RXTB11910

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2010
- Submitted: January 20, 2010
- Operation: Air carrier
- Aircraft: N38RX
- Make and model: Urocop EC 135 P2
- Registry model: [Urocop EC 135 P2](https://openairdocs.org/model/eurocopter-deutschland-ec-135-p2) (OpenAirDocs)
- Aircraft serial: 0749
- Aircraft time: 711 hours
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Condition: False Activation
- Location: Zone 400
- Part time: 711 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JBZA38RXTB11910

## Discrepancy

SHORTLY AFTER TAKEOFF, EXPERIENCED AN ENGINE FIRE WARNING BELL WITH NO CAUTION LIGHT, WARNING LIGHT OR OTHER SECONDARY INDICATIONS. MADE THE DECISION TO ABORT FLIGHT AND PERFORM A PRECAUTIONARY LANDING BACK AT DEPARTURE. LANDED WITHOUT INCIDENT. NO INDICATION OF ACTUAL FIRE. SUSPECT FAULTY FIRE DETECTION SYS. TROUBLESHOOTING INDICATED A FAULTY TEST ON THE NR 2 SYS. FIRE WARNING LIGHT WOULD ILLUMINATE BUT THE AUDIO WAS ABSENT. REPLACED FAULTY INBD RT ENGINE COMPARTMENT FIRE DETECTOR.

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