# SDR ASAA2026080966254

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2026
- Submitted: August 13, 2026
- Operation: Air carrier
- Aircraft: [N489HA](https://openairdocs.org/aircraft/N489HA), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55002
- Aircraft time: 39,927 hours, 65,955 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Actuator
- Part number: 2589445933
- Condition: Faulted
- Location: Yaw Dampener
- Stage of operation: DE
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026080966254

## Discrepancy

ACFT ROLLED 15*, RT WING DOWN WITH CLEAN CONFIG TRIM (AILERON& RUDDER) WITH FLAPS 40* & GEAR DOWN AFTER HANDS OFF CONTROLS FOR 10 SECS. GROUNDED - YES.  PERFORMED FUNCTIONAL TEST OF RUDDER CONTROL SYS & RUDDER TRIM SYS IAW AMM 27-20-00-720-802/803. TESTED WITHIN LIMITS. MEASURED RUDDER SURFACE TRAVEL WITHIN LIMITS IAW SUBTASK 27-20-00-830-005. YAW DAMPER SENSOR READ OUT FAILED.  REPLACED YAW DAMPER. TESTED OK.  FUNCTIONAL CHK FLT WILL BE REQUIRED IAW GPM 13.7.

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