As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE RIGHT FORWARD BULKHEAD RIB 52 CRACKED. MAINTENANCE FABRICATED AND INSTALLED REPAIR DOUBLER RIGHT RIB 52 IAW ETD 2012-190-005396. MATERIAL IS 2024T3 .063" AND PO 023526-2011. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.