As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: INITIAL FINDING. CORROSION ON SEVERAL POINTS BETWEEN FR16 AND FR20 ON - Y30 AND -Y51.5; REF MEXICANA WO # 1283758 AND NR # 00236 BETWEEN FR16 AND FR20 ON SEAT TRACK Y1292 WAS REPLACED I.A.W. A320 SRM 51-72-11 REV 148 FEB/01/24.