What was found
CABIN EMERG LIGHT: OVERHEAD EMERGENCY LIGHT OVER SEAT 7 AND UNDER SEATS 5 AND 8 ARE INOPERATIVE. OVER WING EMERGENCY LIGHT IS ALSO INOPERATIVE. // SIGNOFF // GAINED ACCESS AND REMOVED EMERGENCY BATTERY #3 P/N CBS28-1 S/N 2171M AND INSTALLED CUSTOMER SUPPLIED REPAIRED EMERGENCY BATTERY #3 P/N CBS28-1 S/N5317M. CHARGED BATTERY FOR 40 MIN. AND PERFORMED GOOD OPS CHECK WITH NO DEFECTS NOTED AT THIS TIME. CLOSED ALL ACCESS GAINED FOR MAINTENANCE. WORK DONE IN REF. CE680A A.M.M. 33-50-06.