# SDR AWXA200201061

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2002
- Submitted: October 30, 2002
- Operation: Air carrier
- Aircraft: [N642AW](https://openairdocs.org/aircraft/N642AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 584
- Aircraft time: 25,515 hours, 10,181 cycles
- System (JASC): [2920 · Hydraulic System, Auxiliary](https://openairdocs.org/jasc/2920)
- Part: Servo
- Part number: C203740001
- Part serial: 2618
- Condition: Defective
- Location: Zone 741
- Stage of operation: DE
- How discovered: O
- Nature of condition: J, G
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA200201061

## Discrepancy

FLT 0823 - AT DECENT INTO PHX RECEIVED A BSCU CHANNEL NR 1 FAULT, & HYD BLUE RESERVOIR LOW AIR PRESSURE MESSAGE.  DECLARED AN EMER, A/C LANDED W/O EVENT. MAINT CHECKED BLUE HYD SYS RESERVOIR QTY WHEN A/C ARRIVED AT GATE; RESERVOIR QTY GOOD. RESERVOIR AIR PRESSURE WAS AT 75 PSI. AS PRECAUTION R & R BLUE HYD RESERVOIR PRESS SWITCH, OPS AND LEAK CHECK GOOD.  BRAKE SERVO VALVE FAULTED ON DISPLAY SYSTEM. REMOVED AND REPLACED BRAKE SERVO VALVE, OPERATIONAL & LEAK CHECK GOOD. BRAKE SERVO VALVE WAS NOT TESTED, UNIT WAS OVERHAULED AND RETURNED TO SERVICE.

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