As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REPLACEMENT OF DRY LINERS RELATED WITH TASK R25120, CORROSION WAS FOUND ON STRINGER SPLICE 23R, BS 327 TO 337 IN THE MAIN AVIONICS COMPARTMENT. THE STRINGER SPLICE WAS REPLACED IAW SRM 51-42-06-001-001-A01 PAR 6. AND SRM 51-42-20-001-001-A01 PAR 6.C