As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED RT 10TH DUCT WARNING ON INITIAL CLIMB OUT OF ORD, RAN QRH, MESSAGE PERSISTED. SYNOPTIC PAGE SHOWED RED FROM ISOL TO THE PYLON, MESSAGE REMAINED EVEN AFTER ENGINE AND APU SHUTDOWN. AIRCRAFT REMOVED FROM SERVICE. TROUBLESHOT AND FOUND SENSE ELEMENT A57WK SHORTED TO GROUND. R & R SENSE ELEMENT, IAW AMM 36-21-04. OPERATIONS CHECK GOOD.