An MD80 captain reported that he declared an emergency with iad after hydraulic system failure.

Attributes
ACN	589251
Time
Date	200308
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : atl.vortac
State Reference	GA
Altitude	msl single value : 33000
Aircraft 1
Controlling Facilities	artcc : ztl.artcc tracon : pct.tracon
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Flight Phase	cruise : level descent : approach
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	589251
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Left hydraulic pressure low light illuminated at cruise. Followed QRH procedure and shut off left pump and ptu. Continued to dulles airport (iad) and declared emergency with iad approach control. Landing uneventful. Taxied to gate.

Original NASA ASRS Text

Title: AN MD80 CAPT RPTED THAT HE DECLARED AN EMER WITH IAD AFTER HYD SYS FAILURE.

Narrative: L HYD PRESSURE LOW LIGHT ILLUMINATED AT CRUISE. FOLLOWED QRH PROC AND SHUT OFF L PUMP AND PTU. CONTINUED TO DULLES ARPT (IAD) AND DECLARED EMER WITH IAD APCH CTL. LNDG UNEVENTFUL. TAXIED 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.