As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD LOWER CARGO FUSELAGE STATION 478 AFT SIDE OF CHORD AT LBL 38 UNDERSIDE OF CHORD IS CORRODED AT NUTPLATE. R & R CORD ON NR 0259. NEW CORD WAS DRILLED IAW BOE 767 SRM 51-40-05 ROLLER TRAYS WILL BE REINSTALLED ON NR 0250 ENTRY 4 CORD WAS OUT OF LIMITS IAW BOE 767 SRM 53-00-51. PN 143T1060-1, PN UPPER CORD FRAME, CORRODED LEVEL 2, FS & BS A/C LOC STATION 478 LBL 38. AIRCRAFT WAS GROUNDED.