# SDR YENA20120511493

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2012
- Submitted: May 11, 2012
- Operation: Air carrier
- Aircraft: [N794JB](https://openairdocs.org/aircraft/N794JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 4904
- Aircraft time: 2,101 hours, 643 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Damaged
- Location: Hydraulic Sys
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA20120511493

## Discrepancy

FLT 251 OAK-LGB, HYD G RSVR LO PR ON DESCENT PASSING FL 270 AND LOSS OF GREEN HYDRAULIC SYSTEM.  REMOVED AND INSTALLED NEW O-RING ON NR 1 ENGINE PUMP PRESSURE SWITCH PER 29-11-17-40.  SERVICED HYD, RAN NR 1 ENGINE, NO LEAKS NOTED.  A/C OK FOR SERVICE.

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