As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT #2 "ENG ANTI-ICE" AND "COWL VALVE" CAUTION LIGHTS ILLUMINATED IN DESCENT WITH ENGINE ANTI-ICE ON. GROUNDED - YES. FOUND STATUS MSG BLEED P1 SENSOR R WITH CORRELATED MAINT MSG 36-21011. PERFORMED B737-9 FIM 36-21-00-810-802 TEST FAILED WITH MAINT MESSAGES 36-21011 AND 36-11041. PERFORMED GVI OF P1 SENSOR AND PRSOV NO DEFECTS NOTED. NOTE CREW STATED DUCT PRESS LT 30 AND RT 60 ON DESCENT. R/R ENGINE #2 MANIFOLD P1 SENSOR IAW B737-9 AMM 36-11-05-000-801, OPS TEST OK. NO FAULTS NOTED.