An MD80 has a right system hydraulic pressure loss.

Attributes
ACN	598855
Time
Date	200311
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : zob.artcc
State Reference	OH
Altitude	msl single value : 31000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zob.artcc
Operator	common carrier : air carrier
Make Model Name	MD-80 Series (DC-9-80) Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	other vortac
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	598855
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : hyd press gage other flight crewa
Resolutory Action	flight crew : declared emergency
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Lost right hydraulic pressure at cruise. Performed appropriate checklists. Contacted dispatch. They declared an emergency for us with ZAU. We proceeded to ord and landed uneventfully. Gear was pinned, doors wired shut, and towed to gate.

Original NASA ASRS Text

Title: AN MD80 HAS A R SYS HYD PRESSURE LOSS.

Narrative: LOST R HYD PRESSURE AT CRUISE. PERFORMED APPROPRIATE CHKLISTS. CONTACTED DISPATCH. THEY DECLARED AN EMER FOR US WITH ZAU. WE PROCEEDED TO ORD AND LANDED UNEVENTFULLY. GEAR WAS PINNED, DOORS WIRED SHUT, AND TOWED TO GATE.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.