What was found
FLT#778, LAS-BOS. (AIRCRAFT DECLARED AN EMERGENCY INTO BOS) 'COMPLETE LOSS OF YELLOW HYDRAULIC RESERVOIR IN FLIGHT ; INSPECTED & SERVICED YELLOW HYD SYST IAW AMM 12--12-29. NO DEFECT FOUND ON RESERVOIR.'
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT#778, LAS-BOS. (AIRCRAFT DECLARED AN EMERGENCY INTO BOS) 'COMPLETE LOSS OF YELLOW HYDRAULIC RESERVOIR IN FLIGHT ; INSPECTED & SERVICED YELLOW HYD SYST IAW AMM 12--12-29. NO DEFECT FOUND ON RESERVOIR.'