What was found
ON PREFLIGHT, FOUND THE LOWER (WHEN DOOR IS CLOSED) DOOR LOCK INDICATION IS COVERED BY INSULATION AND UNABLE TO SEE GREEN FLAG. REMOVED AND REPLACED WITH A NEW MED LATCH PIN OIL THE LOWER FWD SIDED, SUPPLIED BY CUSTOMER. PERFORMED OPERATIONAL CHECK OF THE MED, OPS CHECK NORMAL, NO DEFECTS NOTED AT THIS LIME, WORK PERFORMED IAW PIIENOM 300 AMM 52-11-21,