As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SPECIAL DETAILED INSPECTION OF NR 1 ENGINE FWD MOUNT FITTING ATTACHMENT BOLT HOLES AT OTBD LWR ARM COMMON TO LWR SPAR & LWR BOOM, A CRACK INDICATION WAS NOTED. ACCOMPLISHED THE REPAIR OF EDGE DAMAGE AND REPLACED LOWER BOOM, PN D54610024200 TO NR 1 LT PYLON TO ENGINE. ALL WORK ACCOMPLISHED IAW EC A14-286-01.