As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC LIGHT ILLUMINATED AT ALT COMPLETED APPROPRIATE CHECK LIST DETERMINED THAT ATO FUNCTION FAILED MAIN ACCUMULATOR WAS LOW AT RED LINE EMERGENCY ACC INB OUTBOARD NORMAL USED OVERRIDE FUNCTION AS NEEDED FOR REMAINDER OF FLIGHT. SERVICED HYD RESERVOIR IAW 12-10-29, REMOVED AND REPLACED HYD PRESSURE SWITCH PN GPP1250-12 SN ON 8506113 SN OFF 0625892 IAW 29-10*45-04, OPS CHECK OK, LEAK CHECK OK.