What was found
EMERGENCY LIGHTS OPS TEST WITH THE TEST SWITCH PROCEDURE, FOUND EMERGENCY LIGHT INOP AT SEAT 27ABC OVERHEAD BIN, RELAMPED, NO HELP IAW AMM 33-51-00 NO. TWO ADJACENT (OPPOSITE SIDE) LIGHT ASSEMBLIES ARE INOPERATIVE ONLY SEAT 27ABC. APPLYING MEL 3351A APPROVED. REMOVED AND REPLACED AISLE LIGHT ASSEMBLY AND LAMP IAW AMM 33-51-00. NO FIX. REF WDM 33-51-14 FOR FURTHER TROUBLESHOOTING. APPLYING MEL 3351A. APPLIED STICKERS TO PANELS CLEANED CONTACTS NO HELP. FOUND DAMAGED FLANGE IN LIGHT ASSY. REMOVED AND REPLACED BULLNOSE EMERGENCY LIGHT ASSY IAW AMM 33-51-00. NO HELP. CHECKED FOR INCOMING VDC, NO POWER FOUND. REMOVED AND REPLACED BATTERY AND POWER SUPPLY IAW AMM 33-51-07. OPS CHKD GOOD.