What was found
DURING HEAVY CHECK MAINTENANCE FOUND RH HORIZONTAL STAB RIB 11A CRACKED. RH HORIZONTAL STAB RIB 11A REPLACED WITH A NEW RIB IAW TASK# 170EO-55-10-0004-1.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK MAINTENANCE FOUND RH HORIZONTAL STAB RIB 11A CRACKED. RH HORIZONTAL STAB RIB 11A REPLACED WITH A NEW RIB IAW TASK# 170EO-55-10-0004-1.