As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN ACCOMPLISHING ASA TASK CARD 78472040 ON #1 ENGINE, FOUND METAL PARTICLES ON FORWARD SCAVENGE SUMP. THE LARGEST PARTICLE MEASURES 0.12 X 0.08 X 0.06 IN INCHES. (7 TOTAL PARTICLES FOUND ). GROUNDED - YES. #1 ENG REPLACED (ESN 960449) REF ASA T/C 78471001. TRANSFERRED TO ASA SHOP WO 1942568.