# SDR ASAA2016060916996

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2016
- Submitted: June 13, 2016
- Operation: Air carrier
- Aircraft: [N402AS](https://openairdocs.org/aircraft/N402AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41189
- Aircraft time: 14,192 hours, 4,608 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Warning Message
- Condition: False Activation
- Stage of operation: DE
- 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/ASAA2016060916996

## Discrepancy

SPEED TRIM MASTER CAUTION ILLUMINATED ON RECALL DURING DESCENT CHECK.  ACFT GROUNDED.  FFR, SPEED TRIM, SHOWS 1 RELEVANT FAULT, AUTO STABILIZER TRIM CUTOUT,  MESSAGE 22-1182. DFCS BITE GROUP 32.00 SPEED/TRIM PASSES NORMALLY.  ETOPS GROUND VERIFICATION SUCCESSFUL IAW FIM 22-13, TASK 813 REPAIR CONFIRMATION.

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