As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 4202 - DURING APPROACH CREW REPORTED AN E1 REV FAIL INDICATION FOLLOWED BY ENGINE ONE STARTING TO SPOOL UP AND DOWN. CREW COMPLIED WITH AOM PROCEDURES AND SHUT DOWN THE ENGINE. AN EMERGENCY WAS DECLARED AND AIRCRAFT WAS LANDED SAFELY IN ORD WITH NO OTHER INCIDENTS NOTED. (M)