What was found
E1 A/ICE FAIL. DURING CLIMB CAUTION MSG KEPT APPEARING. E1 WOULD NOT OPEN WHEN OVERRIDE SET TO ALL DURING CHECKLIST AND DURING ICE TEST E1 WOULD NOT OPEN. ICE TEST FAILED. E2 A/ICE FAIL MSG APPEARED AFTER E1 A/ICE FAIL DURING CLIMB-C/A-ITEM DEFFERED AS PER 30-11 METH 1. AUTH #120286DM-C "M" PROCEDURES C/W. PERFORMED FIM TASK 30-21-00-810-804-A AND FOUND TO BE TRANSITORY CONDITION. REMOVED / INSTALLED E1 ANTI-ICING VALVE AND CHECKED IAW AMM 30-21-01 ALL CHECKS PASS MEL RESTORED. REMOVED / INSTALLED LOW PRESSURE SWITCH AND CHECKED IAW AMM 30-21-02 ALL CHECKS PASS. PRESSUE TRANDUCER RT ENG, P/N APS-5-1500 S/N 834611387