# SDR ASAA2018101626491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2018
- Submitted: October 17, 2018
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 30,271 hours, 8,811 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 902862
- Condition: Out Of Limits
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: C
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018101626491

## Discrepancy

DURING NR 1 ENG FIRE TEST E&E BOX DISPLAYS NR 1 ENGINE B LOOP LEFT CORE. GROUNDED - YES. NR 1 ENG B LOOP LEFT CORE ELEMENT RESISTANCE VALUE OUT OF LIMITS REF FIM 26-10/805. REPLACED NR 1 ENGINE LEFT CORE FIRE DETECTOR ASSEMBLY. INSTALLATION TEST PASSES REF AMM 26-11-01/401.

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