What was found
CHRONIC LVL 1 FOR LAV-GALLEY FAN L WITH MM SG 21-11041 LAVATORY/GALLEY VENTILATION FAN (LEFT) DOES NOT FOLLOW COMMAND (ON OR OFF) OR IS OVERHEATED. R & R LT LAV GALLEY VENT FAN PER AMM 21-26-01. OPS CHECK FAILED. MESSAGE STILL PRESENT. R&R RELAY K21262 REF SSM 21-26-12. NO HELP. MSG STILL LATCHED, GROUND TEST STILL FAILS. R & R LT ECSMC P85A14 IAW FIM 21-26 TASK 807 STEP G, 2. OPS ECSMC INSTALLATION TEST PASSED BUT DID NOT CLEAR STATUS MSG. MAINT MESSGE 21-11041 PERSISTS. R & R P110 SIGNAL CONDITIONING ASSEMBLY IAW AMM 24-09-00, OPS CHECK GOOD. FAN TEST STILL FAILS, MAINT MSG 21-11041 REMAINS. FURTHER TROUBLESHOOTING REQUIRED REF FIM 21-26 TASK 807