As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED, DESENDING THROUGH 18000' THE GREEN HYDRAULIC QTY INDICATED AT THE RED DOT LEVEL AND THE GREEN HYDRAULIC PRESSURE INDICATED ZERO. ACCOMPLISHED HYDRAULIC SYS LO PR CHECKLIST. R & R GREEN RESERVOIR HYD QTY TRANSMITTER IAW 29-31-11-0401. R & R PRESSURE SWITCH FOR GREEN SYSTEM IAW AMM 29-11-62-0401. ALL OPS CHECKED GOOD. REF LOG PAGE 251899, ITEM 3, REPLACED NON RETURN VALVE; GREEN HYDRAULIC SYS IAW AMM 29-11-65-0401. REPLACED GREEN HYD MANIFOLD. NO LEAKS NOTED.