As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 VERTICAL STIFFENER IS CRACKED ON LEFT HAND HORIZONTAL STABILIZER INSPAR RIB AT STA 120.30. REMOVED THE DAMAGE PART AT NR 4 VERTICAL STIFFENER ON LEFT HAND HORIZ STAB INSPAR RIB AT STA 120.30 AND INSTALLED REPAIR PARTS, IAW 55-10-09-2R-40 88920U 16JAN21.