# SDR FDEA201403120491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2014
- Submitted: March 20, 2014
- Operation: Air carrier
- Aircraft: N812FD
- Make and model: Airbus A310-324
- Registry model: [Airbus A310-324](https://openairdocs.org/model/airbus-industrie-a310-324) (OpenAirDocs)
- Aircraft serial: 467
- Aircraft time: 56,382 hours, 13,560 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Check Valve
- Part number: L95B13401
- Part serial: 41379
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201403120491

## Discrepancy

LOST GREEN HYD AIR AT FLT LEVEL 390 IAW QRH QTY WAS MONITORED AFTER 1 MIN GREEN HYD QTY FLUCTUATED & PEGGED AT MAX.  IAW QRH GREEN HYD PUMPS 1 &  2 WERE SECURED, IAW QRH LANDED.  REPLACED DEPRESSURIZATION RELEIF VALVE IAW AMM 29-11-27-04. ALSO   REPLACED GREEN RESERVOIR HEAD PRESSURE CHECK VALVE. SERVICED GREEN HYDRAULIC SYSTEM HEAD PRESSURE IAW AMM 29-14-00-03. GREEN RESERVOIR MAINTAINED PRESSURE AND HYDRAULIC QTY IN THE MIDDLE OF TOP HAT. ACFT RELEASED FOR SERVICE.

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