As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: CRACK INDICATION FOUND IN OPEN HOLE ZONE W1, POSITION 1 OF VERTICAL STRINGER RADIUS IN CENTER FUSELAGE ON FRAME 36 CRACK DEPTH 0.100 INCH CRACK DIRECTION 12 O'CLOCK VIEW LOOKING AFT; PERFORMED REPAIR IAW EC A25-1157-01 AND EA 57-117-25. WORK ACCOMPLISHED ON AEROMAN NR 2025-682301.