What was found
AFTER TAKEOFF FROM PHX, CREW REPORTED A PRESSURIZATION LEAK, AIR LT WING LEAK. FLIGHT RETURNED TO FIELD & LANDED WITHOUT INCIDENT. DISASSEMBLED LT WING BLEED DUCT INBD OF ENG PYLON. REPLACED DUCT SEAL & REASSEMBLED DUCT. LEAK CHECKED GOOD AT THIS TIME IAW WITH AMM 36-11-48-0401.