What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION LEADING EDGE TOP SKIN UPPER SURFACE BETWEEN RIB 19 TO RIB 20 ON LH WING. MEASURE L=1.074 W=0.861 D= 0.002 INCH. MAINTENANCE PERFORMED TIME LIMITED REPAIR (BLEND OUT R9) LEADING EDGE TOP SKIN UPPER SURFACE BETWEEN RIB 19 TO RIB 20 ON LH WING IAW EA#359507 AND REPAIR INSTRUCTIONS R57243281 ISSUE A AND FOR R9 FINAL RESTORATION INSTRUCTIONS TO BE ACCOMPLISHED NLT 188,560TFH OR 94,4 17TFC, WHICHEVER OCCURS FIRST IAW EA#359507 AND REPAIR INSTRUCTIONS R57243281 ISSUE A. DIMENSIONS OF BLEND OUT ARE: L= 2.165 INCH, W= 1.854 INCH. MRT= 0.058 INCH. NT= 0.175 INCH.