What was found
HYDRAULIC SYSTEM NR 1 QUANTITY INDICATION DECREASED TO 0% WITH AN EDP NR 1 CAUTION MESSAGE. (FLT 3898) REPLACED O-RING ON THE QUICK CONNECT COUPLING IN THE PYLON FOR THE LT THRUST REVERSER. OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HYDRAULIC SYSTEM NR 1 QUANTITY INDICATION DECREASED TO 0% WITH AN EDP NR 1 CAUTION MESSAGE. (FLT 3898) REPLACED O-RING ON THE QUICK CONNECT COUPLING IN THE PYLON FOR THE LT THRUST REVERSER. OPS CHECK GOOD.