What was found
BIL, ON PUSH BACK FOR FLIGHT 4311, THE DUCT MON FAULT MESSAGE APPEARED. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE PLACED THE SYSTEM ON MEL 36-21-7B, RSI 349850. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BIL, ON PUSH BACK FOR FLIGHT 4311, THE DUCT MON FAULT MESSAGE APPEARED. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE PLACED THE SYSTEM ON MEL 36-21-7B, RSI 349850. AIRCRAFT RETURNED TO SERVICE.