As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HORIZONTAL STABILIZER REAR SPAR UPPER ANGLE VERTICAL TANG HAS TWO CRACKS AT THE UPPER ROW OF FASTENERS COMING OUT FROM UNDER WASHER , SECOND AND THIRD FASTENER HOLES. CRACKS ARE BEYOND BLEND LIMITS. REAMED HOLES TO REMOVE CRACK INDICATIONS. PLUGGED AND REAMED TO FASTENER DIMENSION INSTALLED DOUBLERS IAW EA 8-5510-T0303138.