As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINT ON THE AFT FUSELAGE SKIN BELOW THE RT SIDE OF THE HORIZONTAL STABILIZER HAD A 8 IN BY 1 IN BY 0.050 GROOVE AND WEAR AREA ADJACENT TO THE AFT END OF THE AIRGATE FAIRING. CUT OUT DAMAGED AREA AND INSTALLED AN EXTERNAL DOUBLER PER SRM 53-80-01, FIG 203.