What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) While cruising at FL370, "main hyd lo level" light came on. After 1-2 minutes, LH and RH "hyd lo press" came on. Within 5 minutes, hyd supply press gauge read zero. Maintenance action: found hydraulic transducer leaking at hydraulic module. Awaiting seal from exec jet aviation. Inspected aft equipment bay area, replaced failed seal, p/m 100-904-1109, on pressure transmitter at hydraulic module assembly, iaw 125-1000 mm ch 29-30-00. Bled and serviced main and auxiliary hydraulic reservoirs with 5606 iaw 125-1000 MM12-10-20, performed gear retraction test iaw 125-1000 MM32-30-00, with no defects noted. Ran engines and leak checked ok, closed and secured access. Operator submitted mrr. Closed.
As the FAA filed it
(-23) WHILE CRUISING AT FL370, "MAIN HYD LO LEVEL" LIGHT CAME ON. AFTER 1-2 MINUTES, LH AND RH "HYD LO PRESS" CAME ON. WITHIN 5 MINUTES, HYD SUPPLY PRESS GAUGE READ ZERO. MAINTENANCE ACTION: FOUND HYDRAULIC TRANSDUCER LEAKING AT HYDRAULIC MODULE. AWAITING SEAL FROM EXEC JET AVIATION. INSPECTED AFT EQUIPMENT BAY AREA, REPLACED FAILED SEAL, P/M 100-904-1109, ON PRESSURE TRANSMITTER AT HYDRAULIC MODULE ASSEMBLY, IAW 125-1000 MM CH 29-30-00. BLED AND SERVICED MAIN AND AUXILIARY HYDRAULIC RESERVOIRS WITH 5606 IAW 125-1000 MM12-10-20, PERFORMED GEAR RETRACTION TEST IAW 125-1000 MM32-30-00, WITH NO DEFECTS NOTED. RAN ENGINES AND LEAK CHECKED OK, CLOSED AND SECURED ACCESS. OPERATOR SUBMITTED MRR. CLOSED.