As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE INSPECTION, IT WAS DISCOVERED THAT IN THE MAIN CARGO COMPARTMENT INTERIOR AT BS 720B HAD A CRACK AT STRINGER S15L FORWARD OF WING LIGHT SUPPORT. CUT OUT DAMAGED AREA, FABRICATED NEW PART IAW B727 SRM 53-10-3, FIG 5. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)