# SDR ASAA2026080566153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2026
- Submitted: August 7, 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: 39,926 hours, 65,954 cycles
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Actuator
- Part number: 2589445933
- Part serial: 01064595
- Condition: Unserviceable
- Location: Left Yaw Damper
- Part time: 23,530 hours, 53,239 cycles
- Stage of operation: LD
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026080566153

## Discrepancy

ON LANDING, ACFT GAVE AN UNCOMMANDED LT WING DOWN.  PILOT FLYING ABLE TO COUNTER WITH RT INPUT. WING ROLLED A FEW DEGREES BUT THE YOKE DID AN UNCOMMANDED LT INPUT OF ABOUT 30 DEGREES. GROUNDED - YES.  VERIFIED LT SLAT DRIVE CYLINDER ROD ENDS ARE EQUAL. VERIFIED LEFT WING SLAT DRIVE CABLE TENSIONS WITHIN SERVICABLE LIMITS IAW AMM 27-8-00.  REPLACED YAW DAMPER ACTUATOR IAW AMM 22-23-02. BITE CHKD OK. OK FOR SERVICE.

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