As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN VENT BLOWER WAS FOUND INOPERATIVE DURING PHASE INSPECTION OPS CHECKS. FOUND VENT BLOWER CONTROL SWITCH HAD FALLEN APART, RIVETS HOLDING SWITCH TOGETHER HAD PULLED THROUGH PLASTIC HOUSING ALLOWING BACK OF SWITCH TO PARTIALLY SEPARATE FROM THE FRONT. ALSO FOUND INSULATOR SHEET USED FOR SEPARATING THE CONNECTOR TERMINALS HAD FALLEN OUT.