What was found
DURING LETTER CHECK, FOUND .625 INCH AND 1 INCH CRACKS AT LIGHTNING HOLE AFT STAIRWELL TORQUE BOX STRUCTURE RT LOWER WEB. REPAIRED PER MM 53-11-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING LETTER CHECK, FOUND .625 INCH AND 1 INCH CRACKS AT LIGHTNING HOLE AFT STAIRWELL TORQUE BOX STRUCTURE RT LOWER WEB. REPAIRED PER MM 53-11-00.