# SDR SCNA20210203010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2021
- Submitted: February 3, 2021
- Operation: Air carrier
- Aircraft: [N809SY](https://openairdocs.org/aircraft/N809SY), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30683
- Aircraft time: 50,769 hours, 19,832 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Module
- Condition: Failed
- Location: F/O Column
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20210203010

## Discrepancy

ELECTRIC TRIM FAILED AFTER T.O SPEED TRIM FAIL LIGHT ILLUMINATED MOMENTARILY MASTER CAUTION FLT CONT ILLUMINATED MANUAL TRIM NORMAL.   DECLARED EMERGENCY.   ACTION TAKEN: 22-11 TASK 801 AMD FOUND CHANNEL A FUALT MESSAGE 22-11186 AND CHANNEL B FAULT MESSAGE 22-11161 REMOVED AND REPOLACED FIRST OFFICERS COLUMN SWITCHING MODULE REF AMM 27-41-51.

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