
Source: flightradar24.com
On February 11, Fly Jinnah (FJ) Airbus A320 aircraft registration AP-BOO arrived in Karachi as ferry flight 9P992 from Sharjah. The aircraft left Sharjah at 9:48 PM on February 10 and arrived in Karachi at 12:18 AM on February 11. Sharjah to Karachi flight completed in 1 hour & 30 minutes.

Source: flightradar24.com
The A320 probably underwent some maintenance work at Sharjah Airport which is a hub for Air Arabia. Fly Jinnah (FJ) is a joint venture company between the Lakson Group of Pakistan and Air Arabia Group of the UAE.
Abbas