What was found
EDP (ENGINE DRIVEN PUMP) HYD PWR POS 1O1=L,O2=R) EDP HYD LOW PRESS LGT ILLUM. EICAS MSG DISPLAYED (L,R) HYD PRIM PUMP. EICAS MSG (L,R) HYD SYS MAINT (WAS, WAS NOT) DISPLAYED. REPLACED NR 1 ENGINE HYDRAULIC PUMP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EDP (ENGINE DRIVEN PUMP) HYD PWR POS 1O1=L,O2=R) EDP HYD LOW PRESS LGT ILLUM. EICAS MSG DISPLAYED (L,R) HYD PRIM PUMP. EICAS MSG (L,R) HYD SYS MAINT (WAS, WAS NOT) DISPLAYED. REPLACED NR 1 ENGINE HYDRAULIC PUMP.