What was found
AMBER EMERGENCY EXIT CAS CAME ON CLIMBING THROUGH 2000 FEET. CAS MESSAGE WENT OUT IN DESCENT THROUGH 3000FEET. //SIGNOFF// EMAILED MCC FOR HISTORY REPORT. NO HISTORY NOTED, CHECKED AIRCRAFT CAS SYSTEM AND FOUND NO FAUL TS. REMOVED EMERGENCY EXIT AND CLEANED FRAME AND SOURROUDING AREA, CLEANED AL SEALS AND CLEANED SWITCH, RE-GREASED MATING SURFACE PINS AND OPS CHECKED EMERGENCY EXIT GOOD, REMOVED AND REINSTALLED SEVERAL TIMES AND EMERGENCY EXIT CAS OPS CHECKED GOOD EVERY TIME. TRIED PUSHING FROM OUTSIDE AND INSDIE AND WIGGLING SWITCH BUT COULD NO REPRODUCE FAULT. ALL OPS CHECKS GOOD, NO FURTHER DEFECTS FOUND ALL WORK DONE I/A/W CL350 AMM 52-70-01-2 MEL CLEARED