What was found
CORROSION ON THE BARREL NUT HOLES #26, #27, #28, AND #30, STA HX 6.625 RIGHT, STABILIZER CENTER BOX. SUMMARY OF NRC 00407: BARREL NUT HOLES #26, #27, #28, AND #30, STA HX 6.625 RIGHT, STABILIZER CENTER BOX WERE REPAIRED PER ER/A 619552-14 REV ORIGINAL. ASSOCIATED ER/A 14-619552 ADDED FOR AC 9550. (LP #0526275)