# SDR UALA2011121906956

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2011
- Submitted: December 19, 2011
- Operation: Air carrier
- Aircraft: N572UA
- Make and model: Boeing 757222
- Aircraft serial: 26682
- Aircraft time: 62,852 hours, 23,093 cycles
- Engine: Pwa PW2037
- System (JASC): [2912 · Hydraulic Filter, Main](https://openairdocs.org/jasc/2912)
- Part: Filter
- Condition: Contaminated
- Location: Hydraulic Sys
- Stage of operation: NR
- How discovered: O
- Nature of condition: M
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011121906956

## Discrepancy

LEFT ENG HYD OVERHEAT AND HYD PRESS AND CASE DRAIN FILTERS FOUND CONTAMINATED.

---
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.