# SDR CALA2025062005759

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2025
- Submitted: June 20, 2025
- Operation: Air carrier
- Aircraft: [N37408](https://openairdocs.org/aircraft/N37408), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30125
- Aircraft time: 64,312 hours, 26,949 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autopilot Sys
- Condition: Malfunctioned
- Stage of operation: CL
- 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/CALA2025062005759

## Discrepancy

WITH A/P A ENGAGED CLIMBING PASSING FL290 AIRCAFT OSCILATING IN PITCH AXIS AGRESSIVELY CREW REPORTED WITH A/P A DISENGAGED PITCH MOVEMENT STILL EXTREMELY STIFF, LATERAL MOVEMENT NORMAL LOCKING FOR MX FERRY

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