What was found
CORROSION ON INNER SKIN SURFACE OTBD OF STR S42L BETWEEN FRAMES 56-57, REMOVAL OF CORROSION AND BLEND OUT AT INNER SKIN OTBD OF STR 42L BETWEEN FRAMES 56 AND 57 IAW PRI 542225-14, REV STEP 1 TREATED BARE METAL AREAS AND PRIMERED, REF PRI, ERA 542225-14, REV 2.