As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG 1 STALL CREW REPORTED TO LOCAL MAINTENANCE THAT THE ENG-1 STALLED 3 TIMES IN CRUISE ENGINE RECOVERED AND FLIGHT CREW KEPT IT AT IDLE ALL THE WAY DOWN. #1 ENG HPC UPPER BLEED VALVE HAS METAL SHARDS IN THE SCREEN AND METAL INSIDE THE VALVE. REF JOB TASK CARD 31-0572-8-0150 AND TASK CARD 31-7200-0-0001 FOR #1 ENGINE REPLACEMENT.