# SDR UALA2012052903018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2012
- Submitted: July 26, 2012
- Operation: Air carrier
- Aircraft: [N404UA](https://openairdocs.org/aircraft/N404UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 450
- Aircraft time: 62,051 hours, 22,951 cycles
- Engine: Iae V2527A5
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Leaking
- Location: Blue Hyd System
- Stage of operation: CL
- 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/UALA2012052903018

## Discrepancy

LOST BLUE HYDRAULIC QTY,  WENT TO ZERO.  FLIGHT RETURNED.   FOUND HYDRAULIC FITTING ON INBD SIDE OF BLUE HYD PUMP LEAKING.  REPLACED O-RING AND RESECURED LINE.  PRESSURIZED SYS, NO LEAKS.

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