As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** ON FCB- AFT BULKHEAD CENTER ANGLE STA 500D; RBL 20-LBL 20. WL 156. / LOCATED AND DRILLED B/H COUTER ANGLE STA.500D RBL20- LBL20 PER SRM 51-40-05 AND DWG.143A9481. WILL BE INSTALLED ON CUSTOMER CARD #U136757. 91195U; 3-27-20 .