What was found
DURING ROUTINE CPCP INSPECTION, FOUND FUSELAGE EXTERIOR BETWEEN BS 520 AND BS 540, CORROSION AT LAP JOINT OVER S-4L AREA. REMOVED CORROSION IAW B727 SRM 51-10-6. FOUND TO BE OUT OF LIMITS IAW B727 SRM 53-10-1. REPAIRED SKIN IAW B727 SRM 53-30-3. CORROSION TASK CARD NUMBER C53-100-01. NON-ROUTINE TASK CARD NUMBER 114272. AMERICAN INTERNATIONAL AIRWAYS INC (B4MR567J) ACCOMPLISHING COOK AIRCRAFT LEASING WORKSCOPE FOR PURCHASE UPON COMPLETION.