B737-300 crew had a false egpws warning at 200 ft on the GS at ord.

Attributes
ACN	573826
Time
Date	200302
Day	Tue
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : ord.airport
State Reference	IL
Altitude	agl single value : 200
Environment
Light	Night
Aircraft 1
Controlling Facilities	tower : ord.tower tower : grr.tower
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : i-tsl other
Flight Phase	descent : approach
Route In Use	approach : instrument precision
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 15000 flight time type : 703
ASRS Report	573826
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment : gpws other flight crewa other flight crewb
Resolutory Action	other
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Received terrain warning on 1/2 mi final, 200 ft, runway 27L. Clear on profile on GS and VASI runway in sight. Landed and received another terrain warning, wrote up egpws.

Original NASA ASRS Text

Title: B737-300 CREW HAD A FALSE EGPWS WARNING AT 200 FT ON THE GS AT ORD.

Narrative: RECEIVED TERRAIN WARNING ON 1/2 MI FINAL, 200 FT, RWY 27L. CLR ON PROFILE ON GS AND VASI RWY IN SIGHT. LANDED AND RECEIVED ANOTHER TERRAIN WARNING, WROTE UP EGPWS.

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.