As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK DUE TO RH HYD QTY LOSS DUE TO RH EDP AND CASE DRAIN FILTER MODULE FILTER BOWL BROKEN - LEAK CODE: 440-5-C AFTER LANDING MTX GROUNDED A/C AND INSPECTED , FOUND RH EDP PRESSURE CASE DRAIN FILTER MODULE BLEW OFF PRESSURE FILTER BOWL. NO DPIS POPPED. REMOVED AND REPLACED RH EDP MODULE ASSY PER KAC AMM 29-11-17. REPLACED 12 GAL HYDRO FLUID PER KAC AMM 12-12-01. NO LEAKS NOTED. OPS CHECKS NORMAL MTX RETURNED A/C TO SERVICE ..