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 NOT DECLARED DUE TO: STATUS MESSAGE WING ANTI-ICE ZONE; AIRCRAFT DIVERTED TO AND LANDED SAFELY AT PHL. TROUBLESHOT PER FIM 30-10-F1-13A-421A. REMOVE AND REPLACED WIPS ZONE CONTROL CARD 9. PER AMM 30-11-03. TEST PASSED AND FAULT CLEARED.