As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THS TIPS ON LT AND RT SIDE WERE DAMAGED AND SENT TO AN OUTSIDE VENDOR FOR REPAIR, SO TIPS FROM N812FD WERE CANNIBALIZED FOR USE ON N815FD, BUT THE THS RIB FASTENER HOLES MISMATCH TO TIP HOLES. REPAIR PERFORMED BY REPLACEMENT OF RIB ON LT AND RT THS IAW EA 6-5514-92191A AND RAS/CASA/4427/2005 ISSUE A.