As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH HORIZONTAL STABILIZER REAR SPAR STIFFENER IS CRACKED AT STAB STA 120.30 / FABRICATED L/H HORIZONTAL STAB REAR SPAR RIB STA 120.3 AFT STIFFENER IAW AAR EA 180427 IR AND SWA EA 1-755-4177 REV IR REMOVED AND INSTALLED ON NRC X800778 SA-M 326 E275917 ITEM 4