As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION AT HMV, THE FRAME AT STATION 990 WAS FOUND TO HAVE BOTH CORROSION ON BOTH THE VERTICAL AND HORIZONTAL FLANGES OF THE INBD CHORD BETWEEN S-27R AND S-26R. THE CORROSION EXTENDS OVER APPROXIMATELY 3 INCHES ON THE HORIZONTAL FLANGE. IN ACCORDANCE WITH BAC S/B 727-53A0199, REV 1, THE DAMAGE WAS CUT OUT AND SPLICED, PER ERA 301310-14AD.