# SDR AALA202609292228

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2026
- Submitted: September 30, 2026
- Operation: Air carrier
- Aircraft: [N945AN](https://openairdocs.org/aircraft/N945AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30085
- Aircraft time: 72,268 hours, 31,155 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Bearing
- Part number: 251A21831
- Condition: Excess Play
- Location: Zone 200
- Stage of operation: NR
- 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/AALA202609292228

## Discrepancy

AIRCRAFT WAS GROUNDED: CAPTAIN'S YOKE HAS ABNORMAL TRAVEL WHEN HAND FLYING. WITH AUTO PILOT OFF, SMOOTH NON TURBULENT AIR, AND NO CONTROL INPUTS, THE YOKE CAN BE ROCKED FORWARD AND BACKWARD, ABOUT THE VERTICAL CONTROL COLUMN. THE BASE OF THE YOKE IS NOT FULLY CONNECTED TO THE CONTROL COLUMN AND IS EVIDENT WHEN HAND FLYING. TRAVEL CAN ALSO BE OBSERVED FROM THE FIRST OFFICER'S POSITION. FIRST OFFICER YOKE IS NORMAL. DECESION MADE TO RETURN TO ORD EMERGENCY DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED CAPTAIN'S AILERON CONTROL WHEEL SHAFT BEARING IAW SOPM 20-50-03 AND AMM 27-11-41.

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