As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH LOWER HORIZONTAL SKIN PANEL CRACKED INBOARD OF STAB STA120.30, 18" FORWARD OF REAR SPARE MEASURING 1" INLENGTH FOUND. MARKED. GROUNDED - YES. REPAIRED THE R/H LOWER HORIZ SKIN AT APPROX STA. 120.30 PER B737-800 ARM 55-10-01-2R-11.REPAIR IS A CAT "BA' REPAIR AND HAS AN INSPECTION THRESHOLD OF 56,000 TOTAL FLIGHT CYCLES AND AN INTERVAL OF 9,000 FLIGHT CYCLES PER B737-800 SRM 55-10-01-2R-11.