As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6510 - IAD-LGA - DURING TAXI, AIRCRAFT RETURNED TO GATE DUE TO AIRFRAME DE-ICE FAULT WARNING LIGHT ILLUMINATED ON CCT 1 IN AUTO AND MANUAL. MAINTENANCE INSPECTED AND FOUND SMALL HOLE ON OUTBOARD TOP HORIZONTAL STABILIZER DE-ICE BOOT AND PATCHED HOLE, OPS CHECK OK. AIRCRAFT WAS RELEASED ADN APPROVED FOR RETURN TO SERVICE. (M)