# SDR S2KA202001170260

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2020
- Submitted: January 17, 2020
- Operation: Air carrier
- Aircraft: N790SS
- Make and model: Raythn 400ARAYTHEON
- Aircraft serial: RK363
- Aircraft time: 5,974 hours, 7,931 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Trim System
- Condition: Abnormal
- Location: Zone 200
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/S2KA202001170260

## Discrepancy

AT FLIGHT LEVEL 410 AIRCRAFT HAD UN-COMMANDED SLOW PITCH DOWN AT 15 DEGREES. PILOT INITIATED PROPER EMERGENCY PROCEDURE AND THEN MADE PRECAUTIONARY LANDING.

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