# SDR CALA2017071402187

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2017
- Submitted: July 14, 2017
- 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: 77,177 hours, 29,130 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Part number: NAS16126A
- Condition: Leaking
- Location: Pcu Valve
- 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/CALA2017071402187

## Discrepancy

GREEN SYSTEM LO PRESSECAM. NO FLUID IN RESERVOIR. EMERGENCY DECLARED. FOUND O-RING LEAK ON LEFT SLAT PCU VALVE BLOCK 25CV IPC 27-84-53 ITEM 60 . REPLACE O RING PER 27-84-53-400-003-A    NOTE; GREEN SYSTEM CONTAINED 2 GALLONS OF HYD FLUID

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