B757-200 returns to departure airport when EICAS generator drive light illuminates.

Attributes
ACN	790674
Time
Date	200806
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 1000
Aircraft 1
Controlling Facilities	tower : zzz.tower tower : zzz.tower
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 100 flight time total : 10000 flight time type : 500
ASRS Report	790764
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : eicas
Resolutory Action	other
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

On takeoff; right generator 'drive' light came on. Leveled off at 5000 ft; told ATC needed some time; turned south. Light went out; checked flight manual -- no other indications. Decided to head to ZZZ2 and talk to maintenance. Upon further climb; light came on again. Disconnected right generator as per flight manual. Talked to dispatch; maintenance about overweight landing. Returned to ZZZ normal landing.

Original NASA ASRS Text

Title: B757-200 RETURNS TO DEP ARPT WHEN EICAS GENERATOR DRIVE LIGHT ILLUMINATES.

Narrative: ON TKOF; R GENERATOR 'DRIVE' LIGHT CAME ON. LEVELED OFF AT 5000 FT; TOLD ATC NEEDED SOME TIME; TURNED S. LIGHT WENT OUT; CHKED FLT MANUAL -- NO OTHER INDICATIONS. DECIDED TO HEAD TO ZZZ2 AND TALK TO MAINT. UPON FURTHER CLB; LIGHT CAME ON AGAIN. DISCONNECTED R GENERATOR AS PER FLT MANUAL. TALKED TO DISPATCH; MAINT ABOUT OVERWT LNDG. RETURNED TO ZZZ NORMAL LNDG.

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.