As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING MAINTENANCE ON AIRCRAFT 120DL DURING THE INSPECTION PROCESS CORROSION DAMAGE WAS DISCOVERED BETWEEN FS 632 TO FS 654 ALONG STRINGERS 35L TO 36L. THE DAMAGE IS LOCATED AT THE MID-GALLEY DRAIN MAST ATTACH POINT. REMOVED A 3 INCH SECTION STRINGER, HOWEVER SECTION IS REPAIRABLE PER THE SRM 53-00-03 REPAIR NR 2 AND ERA 476086-14 DUE TO RIVET SPACING REQUIREMENTS.