As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VERTICAL STAB LT SIDE HAS A CRACK IN L/E SKIN AT LT SIDE OF APU INLET, NEXT TO ACCESS COVER. STOP DRILLED CRACK IAW DC-9/MD-80 SRM 55-05 FIG 3. FABRICATED AND INSTALLED REPAIR DOUBLER 3-3/8" BY 3-1/2" FROM 2024-T3 .063 IAW DC-9/MD-80 SRM 51-10-3 AND 55-05 FIG 3.