As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO PDX WITH ELECTRICAL ODOR IN CABIN. FAS HANDSET INOP. FOUND STRONG ELECTRICAL SMELL TO BE COMING FROM FAS HANDSET. REPLACED FAS HANDSET ASSEMBLY PER MM 23-30-00. OPS CHECK GOOD. INSPECTED WIRING BEHIND FAS HANDSET, NO DISCREPANCIES NOTED