As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: N/A, ELECTRICAL SMELL COMING FROM COCKPIT. STATIC SOUND LIKE WIRE FRYING AS WELL IN OVERHEAD INTERPHONE COCKPIT TO GROUND NON FUNCTIONAL. R&R AUDIO INTERCOM AMP PER AMM 23-51-18-0401, OK FOR SERVICE CONFIRMED SMELL COMING FROM OLD AUDIO AMP.