As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TEARDOWN REPORTS - SEVERE FAILURE OF LABYRINTH SEAL. SMALL DIAMETER ROTATING LABYRINTH SEAL ALMOST COMPLETELY DISINTEGRATED. SMALL PIECES RECOVERED. OUTER TWO ROTAING SEALS SEPERATED FROM LABYRINTH SHAFT. ACRO AEROSPACE W/O 21-8077PARTS SHIPPED TO TURBOMECA FRANCE FOR ANALYSIS.