What was found
DURING HEAVY CHECK MAINTENANCE, FOUND THE VERTICAL STABILIZER TRAILING EDGE RIB 9/10 CRACKED. REPLACED THE RIB IAW SRM 51-41-01, AND SRM 51-41-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK MAINTENANCE, FOUND THE VERTICAL STABILIZER TRAILING EDGE RIB 9/10 CRACKED. REPLACED THE RIB IAW SRM 51-41-01, AND SRM 51-41-02.