As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: GREEN ENGINE 1 PUMP FAILURE AFTER POWER REDUCTION ON TAKEOFF, AN EMERGENCY WAS DECLARED, THE AIRCRAFT RETURNED TO CLT WHERE IT LANDED SAFELY AND WAS TOWED TO THE GATE. MAINTENANCE REPLACED PRESSURE SWITCH 1074GK PER AMM 29-11-17. (CLOSED) SEE ALSO AALA201709089014 (PUSHBUTTON SWITCH) AND AALA201709089015 (WIRE)