What was found
AFTER TAKEOFF APPROX 4 MINUTES IN FLIGHT "L ENG FIRE LP 1" STATUS MESSAGE INTERMITTENTLY DISPLAY. AFTER APPROX 30 MIN, STATUS MSG DID NOT DISPLAY. PERFORMED RESISTANCE INSULATION CHK BTWN L-ENG LP 1 FIRE DET CARD AND AFT UPR, AFT LWR, FWD LWR DEFECTORS PER WDM 26-11-11 FIM TASK 26-11 THEN RESULTS ARE ALL WITHIN LIMIT OK. FOUND DET TERMINALS DIRTY AT CONTAMINATED SO CLEANED AND FIRE TEST PASSED. ERASED MSG PER AMM 26-11-00. MDDR 130762 CLOSED.