# SDR ASAA12510946

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2012
- Submitted: January 18, 2012
- Operation: Air carrier
- Aircraft: [N512AS](https://openairdocs.org/aircraft/N512AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39043
- Aircraft time: 12,774 hours, 4,093 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 322341
- Condition: Defective
- Location: Nr 2 Engine
- Stage of operation: TX
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA12510946

## Discrepancy

FIRE TEST NR 2 DOES NOT WORK DURING PREFLIGHT (A SYSTEM).  VERIFIED DISCREPANCY A LOOP ON NR 2 ENGINE INOP.  PERFORMED BITE OF ENGINE/APU FDC MODULE.  FOUND OPEN LOOP AT LOWER RT CORE.  REPAIRED LUG REF 26 11 02.  PERFORMED OPS CK REF 26 11 00.  SYS CHECKS NML.

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