As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH HORIZONTAL STABILIZER RIB# 4(STAB. STA 120.30);STIFFENER #3 HAS SUSPECT CRACK AT LOWER POSITION. / CUT-OUT CRACKED AREA AT LH HORIZONTAL STABLIZER RIB #4(STAB. STA 120.30) STIFFENER #3 AND INSTALLED NEW REPAIR PARTS PER B737-700 SRM 55-10-09-2R 4R REPAIR 4.