What was found
THE NAS221-8 SCREWS WHICH ATTACH THE TOTAL TEMPERTURE PROBE COVER SUPPORT, INSTALLED BY SERVICE BULLETIN F50-0034, (P/N F50B910001200A2) TO COVER ASSEMBLY (P/N F50B252020611A1) GOUGED NR 1 HYDRAULIC SYSTEM RETURN LINE (P/N F50B751552). THE LINE WAS REPLACED WITH A NEW LINE AND THE SCREWS CHANGED TO A SHORTER LENGTH. ALSO, ANTI-CHAF WRAP WAS INSTALLED OVER THE NEW HYDRAULIC LINE.