What was found
BS 409+128 RBL 18 INBOARD AND OUTBOARD SIDE VERTICAL STIFFENERS CRACKED. MAINTENANCE PERFORMED A MAJOR REPAIR TO FS 409+128 RBL 18 INBOARD AND OUTBOARD VERTICAL STIFFENERS IAW THE AMM. THE AIRCRAFT CONTINUES HEAVY CHECK MAINTENANCE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BS 409+128 RBL 18 INBOARD AND OUTBOARD SIDE VERTICAL STIFFENERS CRACKED. MAINTENANCE PERFORMED A MAJOR REPAIR TO FS 409+128 RBL 18 INBOARD AND OUTBOARD VERTICAL STIFFENERS IAW THE AMM. THE AIRCRAFT CONTINUES HEAVY CHECK MAINTENANCE.