As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AC WAS IN FOR HVY CK FOUND SUSPECTED CRACK LT HORIZONTIAL STAB RIB 10 BTW FRONT SPAR AND MID SPAR. MX REPLACED LT HORIZONTIAL STAB RIB 10 PN 170-62571-601 BTW FRONT SPAR AND MID SPAR IAW SRM 51-41-01, AND SRM 51-41-02. AC REMAINS IN YRQ FOR COMPLETION.