As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STANDBY HYD FLUID DECREASED TO ZERO & GREEN ON LOGHT ON ENG PANEL EXTINGUISHED INFLIGHT. POST FLIGHT REVEALED EVIDENCE OF LEAK ON AROUND STBY PUMP IN WING ROOT.REMOVED & REPLACED STANDBY PUMP ASSY IAW B727MM 29-21-11 LEAK & OPS CHK GOOD QUANTITY NORMAL REMOVED & REPLACED STANDBY SYSTEM PRESSURE FILTER DUE TO PUMP DAMAGE IAW MM 29-21-32 & MM 29-21-21 LEAK AND OPS CHK GOOD - OK FOR SERVICE