What was found
R/H HORIZ STAB INSPAR RIB 4TH FROM I/B END IS CRACKED. GROUNDED - YES. REMOVED #4 RIB IAW B737-900 SRM 55-10-09-2R-4 REPAIRED RIB AIW B737-900 SRM 55-10-09-2R-4 REINSTALLED REPAIRED #4 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 INSPAR RIB 4TH FROM I/B END IS CRACKED. GROUNDED - YES. REMOVED #4 RIB IAW B737-900 SRM 55-10-09-2R-4 REPAIRED RIB AIW B737-900 SRM 55-10-09-2R-4 REINSTALLED REPAIRED #4 RIB IAW B737-900 SRM 55-10-09-2R-4.