# SDR ASAA2018021623586

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2018
- Submitted: February 21, 2018
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 27,802 hours, 8,104 cycles
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Warning Light
- Condition: False Activation
- Location: Speed Trim
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018021623586

## Discrepancy

PILOT REPORTS OVERHEAD SPEED TRIM FAILED ANNUNC ON.  ACFT GROUNDED.  CONFIRMED SPEED TRIM FAIL LIGHT ILLUMINATED.  ACCOMP DFCS BITE TEST GROUP 32 SPEED/STAB TRIM INTERACTIVE & SURFACE TESTS IAW AMM 22-11-00,   OPS NORMAL,  NO FAULTS AND SPEED TRIM FAIL LT EXTINGUISHED.

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