What was found
UPON REMOVAL OF THE 315A2130 BLANKET INSTALLATION, VISUAL AND ULTRASONIC INSPECTION OF THE 315A2101-177 BONDED PANEL ASSEMBLY, CMM 78-31-26, FIG 6, ITEM 40A, REVEALED 6 AREAS OF THERMAL DEGRADATION RESULTING IN DELAMINATION C/T THE-177 BONDED PANEL ASSEMBLY. VISUAL INSPECTION ALSO NOTES THE 315A2137-1, COOLING VENT BUSHING INBD END IS BLOCKED 50 PERCENT. A .155 DOWEL INSERTED INTO 1 VENT EXTERIOR AIRSTREAM SIDE PENETRATES 1.15, SHOULD HAVE 1.75-1.95 PENETRATION.