# SDR ASAA2016051816791

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2016
- Submitted: May 20, 2016
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 15,863 hours, 4,609 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Circuit Breaker
- Condition: Tripped
- Stage of operation: TX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016051816791

## Discrepancy

FOUND CIRCUIT BREAKER D-3 ON PANEL P18-1 TRIPPED ON ARRIVAL TO ACFT.  ACFT GROUNDED. FOUND AFCS-SYS A ENGAGE INTERLINK CIRCUIT BREAKER OUT. CHECKED IAW AMM 20-60-01, RESET THE CIRCUIT BREAKER.  PERFORMED MODE CONTROL PANEL INSTALLATION TEST, OPS NORMAL IAW AMM 22-11-34-740-801. PERFORMED LAND VERIFY TEST IAW AMM 22-11-00-201.  OPS NORMAL. ACFT CAT STATUS REMAINS CAT III AUTOLAND, HGS.

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