What was found
FL340 - LIGHTS FLICKERED AND NR 1, 3, 4 GEN UNPARALELLED LIGHTS CAME ON. VOLTS & FREQS OK ON 1-3-4. NR 2 VOLTS & FREQS AT 50 VOLTS & 385 CYS. CHECK LIST ACCOMPLISHED; GOT EVERYTHING BACK W/GEN PARALLELED. LATER SAME SENERIO, BUT NOTHING CAME BACK. LIGHT ELECTRIC BURN ODOR. NR 2 VRP/GCP C/B POPPED & BURNING SMELL COMING FROM IT. REPLACED NR 2 VOLTAGE REG & GEN CONTROL PANEL. R&R NR 2 BTB; R & R BUSS PROTECTION PANEL. GROUND RUN ALL ENGINES, PERFORMED ADJUSTMENT TEST PER MM 24-20-03-4, 24-20-00-2, 24-20-07-2.