As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) METAL PARTICLES FOUND IN TRANSMISSION INTERNAL FILTER AFTER ROUTINE INSPECTION. NO CHIP LIGHT INDICATION. OIL DRAINED WITH NEW FILTER INSTALLED, AIRCRAFT RUN FOR ONE HOUR ON GROUND WITH METAL PARTICLES FOUND IN INTERNAL AND INLINE FILTER ASSY. NO CHIP LIGHT INDICATION. TRANSMISSION WAS REMOVED WITH T.S.N. 6631.1 T.S.O. 472.3 (TC NR 20060605010)