What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Aircraft was enroute to msp when hydraulic pump failed. Approximately 1/2 hour later, second hydraulic system failed. Emergency system was used for landing and operated normally. The hydraulic pump failure caused fluid to be pumped overboard causing second system to fail. Operator suspects the pump shaft seal failed causing the fluid to be pumped overboard. Operator will submit a service difficulty report through chdo. (San jose FSDO). Estimated time on pump was 76 hours TSO.
As the FAA filed it
(-23) AIRCRAFT WAS ENROUTE TO MSP WHEN HYDRAULIC PUMP FAILED. APPROXIMATELY 1/2 HOUR LATER, SECOND HYDRAULIC SYSTEM FAILED. EMERGENCY SYSTEM WAS USED FOR LANDING AND OPERATED NORMALLY. THE HYDRAULIC PUMP FAILURE CAUSED FLUID TO BE PUMPED OVERBOARD CAUSING SECOND SYSTEM TO FAIL. OPERATOR SUSPECTS THE PUMP SHAFT SEAL FAILED CAUSING THE FLUID TO BE PUMPED OVERBOARD. OPERATOR WILL SUBMIT A SERVICE DIFFICULTY REPORT THROUGH CHDO. (SAN JOSE FSDO). ESTIMATED TIME ON PUMP WAS 76 HOURS TSO.