As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING WASHING PROCEDURE MAINTENANCE DETECTED A SKIN CRACK AT BS727, WL215, APPROXIMATELY 1.5 INCHES LONG. THIS IS KNOWN AREA ADDRESSED BY SB 737-53-1065. THE AREA WAS REPAIRED IAW THE MANUFACTURERS SRM AND RETURNED TO SERVICE (TC NR 20070504004)