What was found
EMER SIGN LIGHT, BEHIND SEAT 7, FACING FORWARD INTO CABIN- LIGHT INOP. NEITHER BATTERY OR SHIP POWER LIGHT THE SIGN CORRECTIVE ACTION: REMOVED THE DEFECTIVE EMER EXIT SIGN LIGHT, BEHIND SEAT 7, FACING FORWARD INTO CABIN, P/N 9919054-1, S/N 21A82 AND INSTALLED ONE EACH NEW EXIT SIGN P/N 9919054-1 S/N 18D94. PERFORMED OPERATIONAL CHECK. THE OPERATIONAL CHECK WAS GOOD. WORK PERFORMED REF. CE-680A AIPC 33-20-10, AMM 33-50-00, CE680A IMM WD 25-92-08 AND THE CESSNA SPM CHAPTER 20-30-25.