What was found
FWD CABIN TEMP ADVISORY MSG ON EICAS(<P>TRSNSFERRED TO MDDR 144401 IAW MEL 21-61-04-02, CAT C, DATED 05APR21. C/B PULLED AND COLLARED TRIM AIR VALVE LOCKED OUT, MCC NOTIFIED.</P><P>27 MAR - LP 1254532 ITEM 3 - ONT - PERFORMED FIM 21-61 FT 803 AND FOUND FWD TRIM VALVE AT FAULT, REMOVED AND REPLACED RELAY K239 (P37) PER SWPM 20-81-22. NO FIX. REMOVED AND REPLACED FWD TRIM VALVE IAW AMM 21-61-07. OPS CHECK GOOD. THIS CLEARS DMI 144401. PLACARD REMOVED. MCC NOTIFIED.</P>)