As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A 25.8 INCH LONG CRACK ALONG THE UPPER EDGE OF THE LEFT SIDE. AFT RUDDER PANEL AT STA ZR 143.00. PERMANENT REPAIR INSTALLED PER SRM 51-70-01A, PARA 22 AND FIG 60 AND INCLUDING MINOR DEVIATIONS PER SPECIFIED IN AEROMEXICO'S REPAIR DRAWING AMR0955064 R01. APPROVED BY DELTA ERA 457176-14.