MD88 suffers loss of left hydraulic system enroute.

Attributes
ACN	803493
Time
Date	200809
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 34000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zzz.artcc
Operator	common carrier : air carrier
Make Model Name	MD-88
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 44 flight time total : 9400 flight time type : 5000
ASRS Report	803493
Events
Anomaly	aircraft equipment problem : critical cabin event : passenger illness
Independent Detector	aircraft equipment other aircraft equipment : l hyd qty low light other flight crewa
Resolutory Action	flight crew : declared emergency flight crew : landed in emergency condition
Supplementary
Problem Areas	Aircraft Passenger Human Performance
Primary Problem	Aircraft

Narrative:

Left system hydraulic quantity was within limits at pushback. At cruise hydraulic quantity decreased to 4 and low quantity light came on. Followed QRH procedures. During approach into ZZZ; left hydraulic system pressure was unrecoverable. Complied with QRH. Declared emergency and landed. One passenger requested the paramedics for medical issues.

Original NASA ASRS Text

Title: MD88 SUFFERS LOSS OF LEFT HYDRAULIC SYSTEM ENROUTE.

Narrative: L SYS HYD QUANTITY WAS WITHIN LIMITS AT PUSHBACK. AT CRUISE HYD QUANTITY DECREASED TO 4 AND LOW QUANTITY LIGHT CAME ON. FOLLOWED QRH PROCS. DURING APCH INTO ZZZ; L HYD SYS PRESSURE WAS UNRECOVERABLE. COMPLIED WITH QRH. DECLARED EMER AND LANDED. ONE PAX REQUESTED THE PARAMEDICS FOR MEDICAL ISSUES.

Data retrieved from NASA's ASRS site as of May 2009 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.