As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LP1139073 ITEM 1 DISCREPENCY-- HYD Y RSVR LO LVL , LOST YELLOW SYSTEM HYD PRESSURE IN FLIGHT. CORRECTIVE ACTION -- R&R PRESS ASSY AT HYD PLUMBING PYLON ENG # 2 IAW AMM 29-13-49 PB 401 NO DEFECTS NOTED. OPS CHECK GOOD AC OK FOR SERVICE. SERVICED YELLOW HYD SYSTEM IAW AMM 29-10-00. AMM 29-13-49 PB 401 AMM 29-10-00.