What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON SLAT TRACK BOLT (UPPER, AFT BOLT), TRACK 1, SLAT 1, LH WING, MEASURE IS: L: 0.443 INCH, W: 0.167 INCH, D: 0.002 INCH. MAINTENANCE REPLACED SLAT TRACK BOLT (UPPER, AFT BOLT), TRACK 1, SLAT 1, LH WING IAW JOB CARD 26C51057005 STEP 2.A(3).