What was found
AFTER TAKE OFF HYD 1 LOW PRESSURE CAUTION MESSAGE, QTY AND PRESSURE ZERO. ENGINE RAN FOR 25 MINUTES EMPTY, COMPLIED WITH QRH DIVERTED AND EMERGENCY DECLARED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKE OFF HYD 1 LOW PRESSURE CAUTION MESSAGE, QTY AND PRESSURE ZERO. ENGINE RAN FOR 25 MINUTES EMPTY, COMPLIED WITH QRH DIVERTED AND EMERGENCY DECLARED.