What was found
SHUTDOWN NR 1 DUE TO VIBRATION OF UNKNOWN ORIGIN, AIRCRAFT RETURNED TO PABE. MAINTENANCE REMOVED PROP FOR FERRY TO PANC. PROP DISASSEMBLED AND FOUND NR 1 BLADE THRUST WASHER BROKEN. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SHUTDOWN NR 1 DUE TO VIBRATION OF UNKNOWN ORIGIN, AIRCRAFT RETURNED TO PABE. MAINTENANCE REMOVED PROP FOR FERRY TO PANC. PROP DISASSEMBLED AND FOUND NR 1 BLADE THRUST WASHER BROKEN. (M)