What was found
DURING HEAVY CHECK, FOUND LEVEL 2 CORROSION ON STRINGER 2AL, MISSING PAINT FROM FRAME 20-23, LENGTH 2.5", WIDTH .75", DEPTH .011". FOUND AREAS PREVIOUSLY BLENDED, CONTINUED TO BLEND TO REMOVE DAMAGE. REMOVED SECTION OF DAMAGED STRINGER FROM 6.9" AFT OF FR 20 TO STRINGER SPLICE AT FR 23. FABRICATED STRINGER SPLICE, TREATED, PAINTED AND INSTALLED STRINGER AND STRINGER SPLICE IAW SRM. MAJOR REPAIR