What was found
ON DESCENT 5000' PAINT THINNER SMELL FOR ABOUT 5 MINUTES ENTIRE CABIN.// PERFORMED ENGINE GROUND RUN @ IDLE FOR APPROX 10 MINS NO SMELLS THROUGH CABIN OR COCKPIT NOTED. ALL CHECKS NORMAL A/C OK TO CONTINUE, EACH PACK ISOLATED DURING RUN, NO SMELLS NOTED OK FOR SERVICE