As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING MAINTENANCE, IT WAS FOUND THAT THE LT STABILIZER UPPERSKIN WAS CRACKED AROUND BS 21.476. OPENING WAS PERFORMED UNDER THE STABILIZER AND IT WAS FOUND THAT THE RIB AFT PN 115-620010-255 WAS BROKEN AT SAT 21.470. THE RIB, PN 115-620010-209 AT BS 28. 470 HAD A RIVET PASSING TROUGHT THE RIB. BOTH RIB UPPER SECTION WERE REPLACE IAW SIRM 55-00-01 AND 55-00-02. SKIN WAS REPAIR IAW SIRM55-00-02.