Return land mandated by a primary electrical power supply problem.

Attributes
ACN	317466
Time
Date	199510
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : cvg
State Reference	OH
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : cvg
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	climbout : initial climbout : takeoff other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp pilot : instrument
Experience	flight time last 90 days : 210 flight time total : 5000 flight time type : 1000
ASRS Report	317466
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : declared emergency other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

When landing gear selected to the up position, warning and caution lights indicated a left main bus failure of the electrical system. All normal and abnormal checklists were completed. A return for landing in cvg was made without incident.

Original NASA ASRS Text

Title: RETURN LAND MANDATED BY A PRIMARY ELECTRICAL PWR SUPPLY PROB.

Narrative: WHEN LNDG GEAR SELECTED TO THE UP POS, WARNING AND CAUTION LIGHTS INDICATED A L MAIN BUS FAILURE OF THE ELECTRICAL SYS. ALL NORMAL AND ABNORMAL CHKLISTS WERE COMPLETED. A RETURN FOR LNDG IN CVG WAS MADE WITHOUT INCIDENT.

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.