The aircraft with more than 100 passengers onboard departed from Karachi Airport Runway 25L at 7:52 AM and landed on Karachi Airport Runway 25L at 8:06 AM i.e. 14 minutes after takeoff. Maximum altitude gained by the aircraft 8,025 feet.
Cockpit crew informed Air Traffic Control (ATC) about engine problem for returning to Karachi, according to news reports. The aircraft is powered by two IAE V2500 engines.

Source: flightradar24.com
Karachi Airport runways:
Runway 07L/25R
Runway 07R/25L

Flight PF141 to Lahore is now expected to leave Karachi at 9:15 PM. The flight was scheduled to leave Lahore at 7:30 AM.

Source: karachiairport.com.pk
Abbas