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. **SUPPLEMENTAL REPORT TO UPDATE SECTIONS 4 AND 5. MAINTENANCE REPLACED PUSH BUTTON SWITCH PER ESPM 20-45-17. (SEE ALSO AALA201709069005 AND AALA201709089015)