As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE 1 HYD A LOW PRESSURE LT ILLUMINATED IN CRUISE. ACCOMPLISHED NNC IAW QRH. 11 MIN LATER ENG 2 HYD B LOW PRESS LIGHT ILLUMINATED. HYD B LOW PRESSURE LT EXTINGUISHED ON DECENT. EMERGENCY DECLARED AFTER ILLUMINATION OF ENG 2 HYD B LOW PRESSURE LT ILLUMINATION. REMOVED AND REPLACED NR 1 ENG HYD PUMP AND ENGINE CASE DRAIN FILTER. GROUND RUN OPS CHECKED GOOD. NO LEAKS DETECTED. RAN NR 2 ENG, NO TROUBLE FOUND.