# SDR DALA2021102606651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2021
- Submitted: October 26, 2021
- Operation: Air carrier
- Aircraft: [N545US](https://openairdocs.org/aircraft/N545US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26492
- Aircraft time: 79,461 hours, 24,565 cycles
- System (JASC): [2700 · Flight Control System](https://openairdocs.org/jasc/2700)
- Part: Unknown
- Condition: Unknown
- Location: Flight Controls
- 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/DALA2021102606651

## Discrepancy

SHIP 5645 -ATB- THE AIRCRAFT EXPERIENCED FLT CONTROL ISSUES ON TAKEOFF AND DEPARTURE, HEAVY DUTCH ROLL AND YAW. AN EMERGENCY DECLARED AND RETURNED TO JAX FOR IMMEDIATE LANDING. CORRECTIVE ACTION: PERFORMED VISUAL INSP MLG DOORS, PNL'S, SPOILERS, FLAPS, RUDDER, PCU'S AND RUDDER SERVO DRAINS, NTF. REPLACED YAW DAMPER MODULE AND RIGHT YAW DAMPER ACTUATOR PER B757 AMM 22-21. OPS CHECK GOOD.

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