As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK IN REAR LT REAR SPAR 2ND BAY PAST STRUT FITTING. CRACK IS NEAR A GLUE JOINT ABOUT A FOOT LONG AND .333 THE WAY DOWN THE SPAR. ACFT PROBABLE CAUSE IS TOO MUCH WING OTBD OF STRUT AND ACFT TOTAL LOAD WEIGHT. THIS ACFT IS ON FLOATS PART OF THE TIME. WE ARE REPLACING WINGS, AILERONS, FLAPS AND STRUTS.