What was found
L/WING TE UPPER PANEL DELAMINATED AT LWBL 88 BS 889 IN/SQ WITH NO CRACKS EVIDENT IN OUTER SKIN. CUT OUT DELAMINATED AREA ON UPPER SKIN OF L/WING TE PANEL APPROX 10" DIA. FABRICATED DOUBLER 14" DIA FROM .016" 7075T6 PO# 526029 AND BONDED. REMOVED SECTION OF CORE 10"DIA AND POTTED IN NEW SECTION OF CORE 10" DIA DUR-5052-44-3/16-N-E .500. CUT OUT DELAMINATED AREA OF LOWER SKIN 10". FABRICATED DOUBLER 14" DIA FROM .012" 7075T6 PO NR 5347162 AND BONDED, CLEANED, PRIMED, AND SEALED IAW B727 SRM 51-40-24 FIG1. INSTALLED L/WING TE UPPER PANEL AT LWBL 88 BS 889 IAW B727 SRM 51-30-2.