What was found
WHILE PERFORMING CPCP TASK CARD NR C55-300-10.01, FOUND INDICATION OF LEVEL 2 CORROSION. THIS CORROSION EFFECTED THE LEFT HORIZONTAL STABILIZER UPPER TRAILING EDGE CHORD AROUND FASTENERS FOR THE NR 2 ELEVATOR HINGE FITTING AT STABILIZER STA 118.65, ELEVATOR STA 173.21, ZONE 3-91. THE EFFECTED AREA CLEANED UP WITHIN SRM LIMITS 55-10-01, FIGURE 1, SHEET 1. MAINTENANCE ACCOMPLISHED BY PROFESSIONAL MODIFICATION SVCS INC.