As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 635, NR1 ENG GEARBOX SCAVENGE OIL PUMP STRAINER ASSY REPLACEMENT, FOUND IDG GEARSHAFT OIL SCOOP ADRIFT IN BOTTOM OF GEARBOX. THIS ISSUE HAS BEEN ADDRESSED BY MFG TO ALLOW FOR CONTINUED OPERATION WITHOUT THE SCOOP INSTALLED UNTIL THE NEXT GEARBOX O/H.