wigert (CMP): Okay, Houston, we've had a problem here. CAPCOM Jack Lousma (CC): This is Houston. Say again, please. Lovell (CDR): Uh, Houston, we've had a problem. Lovell (CDR): We've had a MAIN B BUS undervolt. CAPCOM Jack Lousma (CC): Roger MAIN B undervolt. CAPCOM Jack Lousma (CC): Okay, stand by Thirteen, we're looking at it.