As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAJOR REPAIR - DURING PROCESS OF INSTALLING BUSHING INTO HOLE NR 1 IN SPAR II OUTBD OF RIB 9, A PIECE OF SPAR II FELL OFF AFT SIDE OF HOLE. REMOVED DAMAGED MATERIAL FROM AROUND HOLE NR 1 BY REAMING HOLE TO 0.373" DIAMETER AND COUNTERSINKING AREA AROUND HOLD TO DEPTH OF 0.104". BUSHING FABRICATED TO SPECIFIED DIMENSIONS AND INSTALLED. ALL WORK IAW EMB ETD 2012-170-013760 REV E.