As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HORIZONTAL STABILIZER L/E RIB #4 FROM I/B SIDE HAS CRACK<[01] SUMMARY=REMOVED LEFT HORIZONTAL STAB L/E RIB #4 AS PER REF B/737 SRM 51-40-02-0G-0.<BR>LOCATED AND DRILLED NEW RIB AT LEFT HORIZONTAL STAB L/E AS PER REF B/737 SRM 51-40-05-0G-0.<BR>INSTALLED NEW RIB #4 AT L/H HORIZONTAL STABILIZER AS PER B 737 S<BR>SRM 51-40-02-0G-0 AND DWG 186A1304;[02] VERIFIED STEP 1.