# SDR 05FDEA04366

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2005
- Submitted: December 22, 2005
- Operation: Air carrier
- Aircraft: N491FE
- Make and model: Boeing 727227
- Aircraft serial: 21529
- Aircraft time: 38,122 hours, 25,515 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Fire Loop
- Part number: 105080037525
- Part serial: 73808
- Condition: False Activation
- Location: Nr 2 Engine
- Stage of operation: CR
- 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/05FDEA04366

## Discrepancy

MASTER FIRE WARNING LIGHT ILLUMINATED IN FLIGHT  INTERMITTENTLY.  NO OTHER FIRE INDICATIONS.  NR 2 ENGINE LOOP WILL NOT TEST REF AMM 26-11-000-1.  REMOVED AND REPLACED ENG NR 2 SENSING ELEMENT IAW MM 26-11-012-4.  OPS TEST NR 2 FIRE LOOP PER MM 26-11-000-5.  OPS TEST NORMAL ON GROUND PER JRH RAN NR 2 ENG ALL INDICATION WERE NORMAL.  OK TO CONTINUE.

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