# SDR AWXA0001568

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2001
- Submitted: April 2, 2001
- Operation: Air carrier
- Aircraft: [N622AW](https://openairdocs.org/aircraft/N622AW), registered now
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 054
- Aircraft time: 36,666 hours, 17,071 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Actuator
- Part number: SC47003
- Part serial: 1513
- Condition: Leaking
- Location: Yaw Dampner
- Part time: 7,840 hours, 2,970 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA0001568

## Discrepancy

D: PHX - AIR TURNBACK - 3/31/01 - EN ROUTE FROM PHX TO BOS THE AIRCRAFT LOST GREEN HYDRAULIC SYSTEM QUANTITY AND RETURNED TO PHX MAKING AN UNEVENTFUL LANDING.  MAINTENANCE FOUND THE LT YAW DAMP SERVO ACTUATOR LEAKING AT THE OUTPUT SHAFT; THE SERVO ACTUATOR WAS REPLACED; LEAK CHECKS AND OPERATIONAL CHECKS WERE GOOD.

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