As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER FUSELAGE RT A/C BAY AFT REAR SPAR BULKHEAD VAPOR BARRIER LOWER ANGLE CRACKED AT I/B END RBL 7 BS 663.75. REMOVED AND COMPLETELY INSTALLED NEW STIFFENER AT FWD SIDE OF VAPOR BARRIER FROME RBL 6 TO RBL 31 IAW SRM 51-40-02-0G-0 AND DWG 111A1001.