As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT FWD VENT BLOWER ASSY WAS REPLACED BEFORE SCHEDULED MAINT PERIOD. INTERNAL MALFUNCTION OF THE VENT BLOWER ASEMBLIES RESISTORS FOUND TO BE PROBLEM OF COMPONENT FAILURE. REMOVAL AND REPLACEDMENT OF VENT BLOWER ASSY WAS THE COURSE OF ACTION TO BE TAKEN DUE TO COMPONENT FAILURE. ASSY RESISTORS NEED TO BE UPGRADED TO BETTER OR INTERNALLY MODIFIED SO AS TO MEET REQUIRED EXPIRATION TIME.