As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT HORIZONTAL STABILIZER REAR SPAR WAS SEVERED AT STATION 321.67. THE SPAR UPPER CHORD REQUIRED A MATERIAL SUBSTITUTION TO FABRICATE A NEW OUTBOARD SECTION. THE MATERIAL REMAINED 2024-T3511 EXTRUSION. BUT THE PROFILE WAS MADE PER THIS ER/A FROM BAC1505-100450, INSTEAD OF THE ORIGINAL BAC1506-4318. SEE COLLECTOR ER/A 467287-14 FOR MORE DETAILS OF THE OVERALL REPAIR.