As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK, MAINTENANCE FOUND CORROSION ALONG STRINGER 16R BETWEEN FRAME 22 AND FRAME 23. THE STRINGER WILL NEED TO BE INSTALLED IN SECTIONS WITH REPAIR SLICES. THIS WILL RESULT IN A MAJOR REPAIR. REMOVED STRINGER 16R FROM FRAME 22 TO FRAME 23. INSTALLED NEW STRINGER SECTION AND FABRICATED STRINGER SPLICE AT STRINGER 16R BETWEEN FRAME 22 AND FRAME 23 IAW ATR42 SRM. (M)