What was found
LT HYD QTY EICAS MSG INFLT ON FINAL FOUND O-RING DAMAGED ON DIFFERENTIAL PRESSURE INDICATOR AT LEFT PYLON FILTER MODULE. REMOVED AND REPLACED BOTH O-RINGS AND SERVICED LEFT SYSTEM RESERVOIR REF AMM 29-11-17-4. A/C OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LT HYD QTY EICAS MSG INFLT ON FINAL FOUND O-RING DAMAGED ON DIFFERENTIAL PRESSURE INDICATOR AT LEFT PYLON FILTER MODULE. REMOVED AND REPLACED BOTH O-RINGS AND SERVICED LEFT SYSTEM RESERVOIR REF AMM 29-11-17-4. A/C OK FOR SERVICE.