As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT HORIZONTAL STABILIZER RIB # 4 ; STA 120.30 FRON ANGLE CRACKED . / RECEIVED PART FOR LT HORIZONTAL STABILIZER RIB #4 FRONT ANGLE P/N 182A2405-13 (SI 7551222). INSTALLATION OF NEW ANGLE WILL BE ACCOMPLISHED UPON COMPLETION OF RIB#4 REPAIR. NRC DEFECT NUMBER: W189682 REF ATTACHED