# SDR UALA2010021200548

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2010
- Submitted: February 15, 2010
- Operation: Air carrier
- Aircraft: [N508UA](https://openairdocs.org/aircraft/N508UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 24744
- Aircraft time: 67,280 hours, 21,505 cycles
- Engine: Pwa PW2037
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Damaged
- Location: Hyd System
- 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/UALA2010021200548

## Discrepancy

HYDRAULIC QTY LOW , FLT DIVERTED  SHUTDOWN BOTH RT SYS PUMPS AT 49 PERCENT INDICATED.  SYSTEM QTY DECLINED SOME MORE-NOW DOWN TO 47 PERCENT. RT, AC HYD. PUMP PRESSURE LINE UNION O-RING.

---
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.