As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK*** CFII INTERNAL STRUCTURE FR59 STGR10L, STRINGER SPLICE FOUND CRACKED. REPLACED STRINGER SPLICE AT FR59 STGR10L IAW SRM 51-43-03 & 51-43-04. A/C REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.