What was found
PROBLEM DESCRIPTION: LEFT PACK ILLUMINATED FOUR TIMES IN FLIGHT. FOLLOWED CHECK LIST UNABLE TO RESET PACK. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: TRANSFERRED TO DMI#40600058 CAT C DUE 5/25/2026 IAW B737 KC2 MEL REF 21-1-5A SPECIAL PROCEDURES (O) 21-01-05A REQUIRED PLACARDS INSTALLED. REMOVED AND REPLACED DUCT ASSEMBLY IAW B737 AMM 21-51-61, OPS CHECK GOOD NO DEFECTS NOTED. THIS CLEARS DMI #40600058, PLACARDS REMOVED