# SDR C2XA20111002152

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2011
- Submitted: October 3, 2011
- Operation: Air carrier
- Aircraft: [N11539](https://openairdocs.org/aircraft/N11539), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145536
- Aircraft time: 23,861 hours, 18,045 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Switch
- Part number: 170541
- Part serial: 695
- Condition: Faulty
- Location: Tee Handle
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA20111002152

## Discrepancy

ACFT WAS IN FOR A SERVICE ROUTINE AND ON THE MORNING DEPARTURE CLIMBOUT THE CREW GOT A AURA WARNING OF A FIRE.  ACFT RETURNED TO DEPARTURE WHERE MX FOUND THE NR1 ENG FIRE SWITCH WOULD NOT LOCK DOWN INT DOWN POSITION.  MX R & R THE ENG FIRE SWITCH IAW MM 31-00-00.  OPS CHECK GOOD AND WAS RELEASED TO SERVICE.

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