What was found
AIRCRAFT WAS NOT GROUNDED. EMERGENCY EXIT SIGN LIGHT ABOVE AFT CEILING WITH BURNT OUT BULB. REMOVED AND REPLACED EMERGENCY EXIT SIGN ABOVE AFT CEILING (AALA202009309028), PER AMM 33-51-16-000-001A, OPS CHECK GOOD. ALSO REPLACED EXIT SIGNS ABOVE FWD CEILING (AALA202009309021) AND MIDDLE CEILING (AALA202009309027), PER AMM 33-51-16-000-001A, OPS CHECK GOOD.