As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH HORIZONTAL STABILIZER FRONT SPAR UPPER SLIDING SEAL IS CRACKED AT CORNER PLATES. / REMOVED AND REPLACED LH HORIZ STAB FRONT APUR UPPER SLIDING SEAL IAW B737 AMM 53-31-31-400-802; AND AMM 53-31-31-000-802 ATAG: A11426; A48530; A31587