As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC PRESS ENG 1' EICAS STATUS MSG DISPLAYED. ENG PUMP 1 OUTPUT PRESS LESS THAN 1400 PSI. EMER DECLARED. FOUND PRESS HOSE FROM ENG DRIVEN PUMP RUNNING UP RACEWAY, CHAFED THROUGH BY CLAMP. REPLACED HOSE & CLAMP. ACCOMPLISHED LEAK CHECK IAW AMM 29-15-05.