As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACKED RIB IN APU COMPARTMENT IN STRUCTURE FOR HOLDING AFT APU REMOVAL FISH POLE AND CRACKED BOLT HOLE. PARTS TO BE REPLACED WITHIN 50 CYCLE OPERATION WITH APU REMOVED APPROVED BY BOEING. REPLACED SUPPORT RIB ASSEMBLY PER BOEING SRM 51-10-01.