As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: #1 ENGINE STALL AROUND 12,000 FT DURING CLIMB. THRUST LEVER TO IDLE AND STALL WENT AWAY. FLIGHT DECLARED AN EMERGENCY AND RETURNED TO DEN LANDING SAFELY. **SUPPLEMENTAL REPORT FOR AALA202201284027: #1 ENGINE REPLACED PER JOB CARD 26L40071001.** (CLOSED)