What was found
DURING A NR 2 SERVICE TEST OF EMERGENCY LIGHTS, CIDS FAULTED COMM EMER FWD L, COMM EMER AFT L. . SYSTEM WOULD NOT PASS TEST. EXTERIOR OVERWING LIGHT DID NOT ILLUMINATE. REPLACED POWER EMERGENCY SUPPLY 10WL IAW MM 33-51-38-000-001 AND 33-51-38-400-001. REPLACED THE BATTERY PACK, NOW MESSAGE WAS INT. LOADS FWD L, AND EXT LOAD FWD L, BATTERY EMER R, FOUND THE FWD LT DOOR WITH WRONG LIGHT BULBS INSTALLED, INSTALLED THE CORRECT BULBS, OPS CHECKED GOOD IAW AMM 33-51-00-710-001-A.