As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HMV, CORROSION WAS FOUND ON REPAIR SPLICE OF LONGERON 28 LT AND 29 LT BTW STA Y=1250-1271 AT AFT CARGO COMPARTMENT LONGERON 28L WAS ATTENDED ON NRC 254176 AND REPAIR SPLICE OF LONGERON 29LH BTW Y=1250-1271 WAS REPLACED IAW SRM 53- 02 FIG 18.