What was found
CB AT Z9 POPPED, LIGHTING PANEL AVIONICS COMPARTMENT 115 VAC POPPED, LOUD NOISE, BRIGHT FLASH UNDER FIRST OFFICERS PANEL & SIDEWALL. MOMENTARY SMOKE, ALL BUSS POWERED, ALL SYSTEMS APPEAR NORMAL. PERFORMED DETAILED INSPECTION OF WIRING, INSPECTED OUTLETS 19LS, 18LS, 17LS & 31LE, NO FAULTS FOUND. APPLIED POWER, CHECKED POWER AT ABOVE OUTLETS, NO FAULTS. CHECKED BULBS IN LIGHT ASSEMBLY, FOUND 8LS LIGHT ASSEMBLY HAD WRONG BULB INSTALLED. FOUND EVIDENCE OF COFFEE ON 24LE LIGHT ASSEMBLY. R & R 24LE LIGHT ASSEMBLY AWM 33-12-02.