As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: ENGINE 2 SUSPECTED FUEL LEAK, ENGINE SECURED IN FLIGHT; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT ORD.**SUPPLEMENTAL REPORT FOR (AALA202403018508): REPLACED 1 MAIN FUEL QUANTITY COMPENSATOR F156. OPERATIONAL AND LEAK CHECKS GOOD. PER FUEL VENDOR TANK TIGERS WORK ORDER #12446R264