What was found
HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION: STR 2L HAS SPOTS OF CORROSION AND MISSING PAINT FROM FR 20 - 23 (LENGTH 2.5", WIDTH .75", DEPTH .003"). REMOVED PREVIOUSLY BLENDED DAMAGE, FOUND CRACK IN STRINGER .4" AFT OF FRAME 20. REMOVED DAMAGED STRINGER SECTION FROM 6" FWD OF FR 20 TO FACTORY SPLICE AT FR 23. FABRICATED REPAIR SPLICES, PRIMED, PAINTED AND INSTALLED STRINGER AND STRINGER SPLICE IAW ATR72 SRM.