What was found
R/H HORIZ STAB #4 RIB IS CRACKED ON 2ND AND 3RD STIFFNERS. GROUNDED - YES. REMOVED, REINSTALLED AND REPIARED RIB IAW B737-900 SRM 55-10-09-2R-4.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
R/H HORIZ STAB #4 RIB IS CRACKED ON 2ND AND 3RD STIFFNERS. GROUNDED - YES. REMOVED, REINSTALLED AND REPIARED RIB IAW B737-900 SRM 55-10-09-2R-4.