As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION DAMAGES WERE FOUND ON THE RH HORIZONTAL STABILIZER UPPER SKIN AT REAR SPAR AND STGR 3, BETWEEN RIB 3 / RIB 15.(<P ><SPAN>CORROSION WAS REMOVED AND / REPAIRED IN ACCORDANCE WITH MEXICANA MRO TRE6755034 REV. A AND TRE6755037 REV. / A, ALSO WITH THE INSTRUCTIONS GIVEN ON BOEING SR'S 3-5023071260 / AND 3-5020322827.</SPAN></P>)