# SDR ASAA2017010919287

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2017
- Submitted: January 11, 2017
- Operation: Air carrier
- Aircraft: [N583AS](https://openairdocs.org/aircraft/N583AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35681
- Aircraft time: 36,098 hours, 10,649 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Relay
- Part number: 91238071
- Condition: Failed
- Location: Autopilot Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017010919287

## Discrepancy

AUTOPILOT NR 1 & 2 WOULD NOT ENGAGE.  ACFT GROUNDED. PERFORMED DFCS BITE, IAW FIM 22-11 TASK 801, FOUND MAINTENANCE MESSAGE 22-11176. STAB TRIM RELAY ISSUE.   REPLACED THE STAB TRIM RELAY R64, IAW FIM 22-13 TASK 818. ALL TESTED GOOD.

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