# SDR CALA2022020400309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2022
- Submitted: February 4, 2022
- Operation: Air carrier
- Aircraft: [N66803](https://openairdocs.org/aircraft/N66803), registered now
- Make and model: Boeing 737900
- Aircraft serial: 42817
- Aircraft time: 27,015 hours, 9,644 cycles
- System (JASC): [2701 · Control Column Section](https://openairdocs.org/jasc/2701)
- Part: Steering Sys
- Part number: NA
- Part serial: NA
- Condition: Uncontrollable
- Location: Cockpit
- 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/CALA2022020400309

## Discrepancy

DEBRIEFED THE CAPT..WITH THE AUTO PILOT OFF, WHEN YOKE IS RELEASED THE AIRCRAFT GOES TO 1 UNIT LEFT WING DOWN. WITH CONTROL YOKE HELD CENTERED, AIRCRAFT FLY''S STRAIGHT. IT FEELS LIKE A SPRING FORCE IS DRIVING THE YOKE LEFT WING DOWN WHEN RELEASED FROM CENTER. LOCKED FOR SIGNOFF UNLOCKING FOR SIGNOFF PERFORMED FIM TASK 27-11-00 TASK 810. NO DEFECTS NOTED AT THIS TIME.

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