As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A 12 MONTH INSPECTION, FOUND A CRACK APPROX 1.5 INCHES LONG ON THE RT FORWARD MAIN GEARBOX DECK AT THE TRANSITION TO THE CABIN ROOF ABOVE THE NR 4 BULKHEAD. THE CRACK IS LOCATED IN THE RADIUS OF THE DOUBLER THAT MAKES THE TRASITION. REPAIRED IAW SRM 51-71-53,8-7.