As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE GREEN HYDRAULIC SYS HAD LOW PRESSURE. ACFT GROUNDED. R & R PTU FIN 1088GM IAW AMM 29-23-41 PB 401 AND TSM 29-23-00-810-812A. FUNCTIONAL CHECK FOUND NORMAL. NO LEAKS NOTED. FOUND THE YELLOW SYSTEM PRESSURE FLUCTUATING WITH THE ELEC PUMP ALONG WITH GREEN IAW TSM 29-24-00-810-801-A. PERFORMED AN OPS TEST OF THE ELEC PUMP IAW TSM 29-24-00-710-001. YELLOW SYSTEM DID NOT FLUCTUATE. ACCOURDING TO TSM 29-24-00-810-801 IF PRESSURE IS OVER 1450 PSI, CHECK VALVE ENG 2 PUMP DELIVERY NEEDS TO BE REPLACED R & R THE CHECK VALVE IAW AMM 29-13-36. NO HELP.