What was found
AT C CHECK, NR 1 ENG PYLON FWD I/B END VERTICAL BRACKET CRACKED AT UPPER I/B END ACCESS PANEL 5407. REMOVED THRUST REV SHUTOFF VALVE. REMOVED 6 BOLTS FROM QUADRANT DISCONNECTED THRUST REV QUADRANT DRUM FOR SM ACCESS PER MM 71-11-21. REMOVED AND REPLACED BRACKET AT NR 1 ENG PYLON FWD I/B END OF ACCESS PANEL 5407 PER SRM 51-30-2 MAT USED 7075T6 .050 9 X 4. OK TO INSTALL COMPONENTS. INSTALLED QUADRANT DRUM TR PER MM 71-11-21, INSTALLED REV DIRECTIONAL VAVLE PER MM 78-30-12, LEAK CK AND EPS CHECK GOOD IAW 78-30-12 N/R 1433.