# SDR ASAA2013103096257

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2013
- Submitted: November 1, 2013
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 5,716 hours, 1,708 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Circuit Breaker
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013103096257

## Discrepancy

F/O FD FLAG IS SHOWING.  ACFT GROUNDED. FOUND AFCS B, FCC, DC CIRCUIT BREAKER OUT.  CHECKED BEHIND P6-2 FOR CONTAMINATION OR DEFECTS, NONE NOTED.  RESET CIRCUIT BREAKER IAW MM 20-60-01. AFCS B OPS NORMAL REF MM 22-11-00 LRU REPLACEMENT TESTS.

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