# SDR ASAA2017082321981

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2017
- Submitted: September 20, 2017
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 37,869 hours, 11,543 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Unknown
- Condition: Malfunctioned
- Location: Autopilot Sys
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017082321981

## Discrepancy

DURING DESCENT SPEED TRIM ANNUNCIATED ON MASTER CAUTION RECALL. GROUNDED - YES. PERFORMED SPEED TRIM FAIL LIGHT PROBLEM - FAULT ISOLATION IAW FIM 22-13 TASK 817. PERFORMED FCC SPEED TRIM WARNING PROBLEM - FAULT ISOLATION IAW FIM 22-14 TASK 808. NO PROBLEM OR DEFECTS NOTED AT THIS TIME.

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