As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ADDITIONAL CENTER TANK FUEL TRANSFER VALVE INOPERATIVE, 5400 POUNDS OF FUEL TRAPPED IN TANK. DECISION WAS MAKE TO DIVERT TO ORD AND CHANGE AIRCRAFT. **SUPPLEMENTAL REPORT FOR AALA202109218622: REPLACED VALVE 4QH2 PER AMM 28-28-55.** (CLOSED)