As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 ENGINE INTAKE LOW PSI LIGHT ILLUMINATED IN LIGHT GRADUALLY WAS ABLE TO GET IT EXTINGUISHED 80-89 PERCENT. AIR RETURN TO MSP. MAINTENANCE REPLACED NR 3 ENGINE INTAKE ANTI-ICE VALVE. PN OFF/2351A000, SN/OFF 899351-2, PN/ON 2351A000-003, SN/ON 899352-8. REF AMM 30-21-17. OPS AND LEAK CHECK GOOD.