# SDR AWXA200200021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2002
- Submitted: January 14, 2002
- Operation: Air carrier
- Aircraft: [N652AW](https://openairdocs.org/aircraft/N652AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 0953
- Aircraft time: 11,517 hours, 4,404 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Part number: NAS161212
- Condition: Ruptured
- Location: Hydraulic Sys
- 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/AWXA200200021

## Discrepancy

LAS - DIVERSION - FLT 522 - C - EN ROUTE FROM PHX TO RNO FLIGHT CREW RECEIVED YELLOW HYDRAULIC SYSTEM FLUID LOSS INDICATION FOLLOWED BY FLIGHT CONTROL DEGRADATION TO ALTERNATE LAW, THIS WAS CAUSED BY LOSS OF NR 2 YELLOW YAW DAMPER, NR 1 YAW DAMPER PREVIOUSLY ON MEL.  AIRCRAFT DIVERTED SAFELY TO LAS.  MAINTENANCE TROUBLESHOT AND FOUND LEAK AT YELLOW HYDRAULIC PTU MANIFOLD QUICK DISCONNECT FITTING.  REPLACED O-RING IAW CMM 29-10-05, LEAK TESTED GOOD.  POST FLIGHT REPORT REVEALED ALTERNATE LAW WAS CAUSED BY FAILURE OF RT AILERON BLUE SERVO FOLLOWED BY YELLOW AILERON SERVO FAILURE.

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