As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING TASK CARD 78472040 ON NR 2 ENGINE. FOUND METAL PARTICLES ON AGB MAGNETIC CHIP DETECTORS. ACFT GROUNDED. REPLACED NR 2 ENGINE TRANSFER GEAR BOX IAW AMM 72-62-00-000-801-F00 AND 72-60-00-400-801--F00, EA 900EA-72EA-15868 ACCOMPLISHED.