Arrival
+ Install the wheels chocks.
+ Install the nose landing gear and the main landing gear ground lock safety devices (if the halt is more than 2 hrs)
+ If the aircraft towing is required, place the following lever in the “towing position” and install pin in the electrical control box.
+ Review aircraft technical log and take corrective actions as necessary.
+ Add mobile Jet II oil to the oil tank as necessary and record uplift in the technical log.
Refueling
• Obtain water free sample from the fuel tanker/pump unit before start refueling.
• Refuel aircraft up to the required dispatch quality and record uplift/content in the aircraft tech log
• Make sure that the refuel coupling caps are in place and secured
• Make sure that the drip sticks are retracted and secured.
Water or Waste servicing
• Service the potable water system as necessary
• Service the toilet waste tank as necessary
External checks
• Do aircraft walk around to make sure that there are no external damages to the aircraft structure or components.
• Check for fluid leaks, missing or loose parts, oxygen over pressure discharge disc and obstruction to the inlets/outlets.
• Check the engine intake and blades for FOD (foreign objects damage)
• Ensure that the control surfaces match with the physical position of the control levers before energizing the electrical network.
• If transit is more than 1 hour shut down APU and connect GPU
• If ECAM ENG OIL OTY LO level advisory is reported, check engine oil quantity within a period of 5-30 min after engine shutdown visually on the oil tank sight gauge.
• Do a check of the landing gears and make sure that NLG and MLG shock absorber inflation id normal.
• Do a check of the tyres for proper inflation and signs of damage.
• Check wear indicator of heat packs make sure the water indicators are within limits (park brake applied)
• Do a check on the brake units for signs of fluid leaks.
• Install protective covers on the aircraft if halt is more than 2 hrs
Passenger compartment
• Make sure that the passenger compartment including lavatories and galleys is in clean and presentable condition.
Final items
• Remove the protective covers/safety device from the aircraft (if installed)
• Remove the nose LG and the MLG ground lock safety devices (if installed)
• Check and record corrective actions in the aircraft tech log
• Ensure that there is no FOD in the engine intake and the cowls are properly closed and latched.
• Ensure all the panels and the doors are closed.
• Do a final walk around before the push back and ensure no damage is caused by ground equipment
• Disconnect GPU after electrical power is being supplied by APU after informing the cockpit crew
• Before starts of the push back, ensure that the TOWN PIN is in position and chock are removed and parking brakes are off.
source- http://www.jobsforame.com/2013/06/aircraft-maintenance-trainees-jobs-in.html