As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB- DUE TO RIGHT DUCT LEAK INDICATION AND ICING CONDITIONS ALONG FLIGHT PATH. CORRECTIVE ACTION: FOUND DUCT CRACK IN RIGHT PACK BAY. LEAK ISOLATED AND RT PACK DEFERRED PER MEL 21-51-01. (1/5 MSP) REMOVED AND REINSTALLED DUCTS AND LOW LIMIT VLV. LK CK AND OPS CK GOOD. ORIG SUBMISSION DATE: 1/30/2023