What was found
NR 1 HYDRAULIC SYSTEM LOSS OF FLUID, GEAR DOORS EICAS AFTER TAKEOFF AND GEAR RETRACTION, DURING GEAR RECYCLE, HYD PRESS SYS 1 FOLLOWED BY HYD QTY 1 EICAS. QRH PROCEDURES COMPLIED WITH. REMOVED BROKEN NOSE L/G DOOR ACTUATOR AND INSTALLED NEW NOSE L/G DOOR ACTUATOR & SERVICED HYD FLUID AT NR 1 HYD RESERVOIR. REMOVED AND REPLACED THE NR 1 CASE DRAIN FILTER AND THEN NOSE L/G DOOR ACTUATOR CHECKED, NR 1 HYD QTY CHECKED OK, ERASED FAULT MESSAGE IAW AMM 12-12-01 & 29-21-02. 32-34-14/401. ALSO PERFORMED NOSE GEAR RETRACTION & EXTENSION, OPS WAS NORMAL.