What was found
ON CLIMB-OUT AT 20,000 FEET, NOTICED LOUD SQUEALING FROM PAX DOOR, VERIFIED LIGHT COMING THROUGH PAX DOOR SEAL, RETURN TO PHL, LANDING WEIGHT WAS 46,900 LBS. FOUND SEALANT ON STRIKER SEAL REPAIR FORWARD AND AFT STRIKER CHIPPED. REAPPLIED AS PER REO 60R-53-22-033.