# SDR UALA2011022100851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2011
- Submitted: February 24, 2011
- Operation: Air carrier
- Aircraft: [N215UA](https://openairdocs.org/aircraft/N215UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30221
- Aircraft time: 38,389 hours, 8,324 cycles
- Engine: Pwa PW4077
- System (JASC): [2915 · Hydraulic Pressure Relief Valve, Main](https://openairdocs.org/jasc/2915)
- Part: Circuit Card
- Part number: 285W0017102
- Part serial: 25
- Condition: Faulty
- Location: Reservoir Press
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011022100851

## Discrepancy

HYD RESERVOIR PRESSURE LT STATUS MESSAGE.  REPLACED A17 HYD LOW PRESS CARD IAW MM.  REPLACED PRESSURE SWITCH.  REPLACED A4 HYD DIM CARD.

---
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.
