Medium large transport has engine start valve open warning light activate on climb.

Attributes
ACN	295243
Time
Date	199501
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : mdw
State Reference	IL
Altitude	msl bound lower : 4500 msl bound upper : 4500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : ord
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude other
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 17000 flight time type : 1600
ASRS Report	295243
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	other other
Consequence	other Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

On departure from maw airport en route to stl, at about 4500 ft noticed right engine start valve open light was on. We followed the flight handbook procedures left the engine running at idle thrust, and decided to divert to ord. On arrival at ord, maintenance needed to replace the start valve starter and shaft. We did not declare an emergency in this situation.

Original NASA ASRS Text

Title: MLG HAS ENG START VALVE OPEN WARNING LIGHT ACTIVATE ON CLB.

Narrative: ON DEP FROM MAW ARPT ENRTE TO STL, AT ABOUT 4500 FT NOTICED RIGHT ENG START VALVE OPEN LIGHT WAS ON. WE FOLLOWED THE FLT HANDBOOK PROCS LEFT THE ENG RUNNING AT IDLE THRUST, AND DECIDED TO DIVERT TO ORD. ON ARR AT ORD, MAINT NEEDED TO REPLACE THE START VALVE STARTER AND SHAFT. WE DID NOT DECLARE AN EMER IN THIS SIT.

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.