What was found
(LOG 1472646) UPON REMOVAL OF THE AFT DRAIN MAST FOR REPLACEMENT, FOUND CORROSION DEPOSITS ON THE ATTACHING SKIN. REMOVED DAMAGE AND REPAIRED PER ERA 632146-14 & ER NO. 26-1236 REV. P4 001552988U.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(LOG 1472646) UPON REMOVAL OF THE AFT DRAIN MAST FOR REPLACEMENT, FOUND CORROSION DEPOSITS ON THE ATTACHING SKIN. REMOVED DAMAGE AND REPAIRED PER ERA 632146-14 & ER NO. 26-1236 REV. P4 001552988U.