# SDR 2003UALA00417

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2003
- Submitted: May 13, 2003
- Operation: Air carrier
- Aircraft: [N817UA](https://openairdocs.org/aircraft/N817UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 873
- Aircraft time: 16,097 hours, 6,141 cycles
- Engine: Iae V2522A5
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Check Valve
- Condition: Leaking
- Location: Hyd System
- Stage of operation: TX
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2003UALA00417

## Discrepancy

YELLOW SYSTEM LOW LEVEL LIGHT ILLUMINATED AND ECAM SHOWS 0 QUANTITY.  FOUND LEAK AT HYD CHECK VALVE IN PTU MANIFOLD REPLACED CHECK VALVE AND FILLED YELLOW SYSTEM AND LEAK CHECKED SYSTEM NO LEAKS FOUND.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.