As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE COWL ANTI-ICE CAME ON INTERMITTENTLY DURING DESCENT AND APPROACH. ACFT GROUNDED. INSPECTED AND FOUND PRESSURE SENSE LINE DAMAGED. REPLACED SENSE LINE WITH SERVICEABLE UNIT. PERFORMED ENGINE ANTI-ICE TEST REF AMM 30-21-00. SYS OPS NORMAL.