the air conditioning was just came operational vs the air conditioning has just came operational

Some examples from the web:

• Plus, the glass door was open and the air conditioning wasn't on.
• The air conditioning was off, so the place was an oven.
• I told her the air conditioning was drying out her skin.
• Abed was just explaining that the Fives get to choose what setting the air conditioning is on.
• Nobody knew what air conditioning was back then.
• The air conditioning is too cold here.
• Air conditioning was set on low to slow decomposition in an attempt to disguise the time of death.
• Sanchez says the air conditioning contract went to Manuel Arrona of Key Biscayne.
• The air conditioning broke down, so they moved the conference here.
• Got the air conditioning set just so.
• I'll have somebody see to the air conditioning.
• Thanks for the air-conditioning, horsy.
• We have a problem with the air conditioning in Beta section.
• Georgie's waiting in the car with the air conditioning on.
• The air conditioning system does not appear to be working properly.
• Air recirculated helps reduce fuel consumption related to the air conditioning system.
• Anyone asks, we're working on the air conditioning.
• I can flush the contaminated areas using the air conditioning.
• Money is in the air-conditioning vent.
• I Go up to bed, the air conditioning.

Some examples from the web:

• Maybe the air conditioning has to be off.
• The air conditioning is too cold here.
• Sanchez says the air conditioning contract went to Manuel Arrona of Key Biscayne.
• The air conditioning broke down, so they moved the conference here.
• Got the air conditioning set just so.
• I'll have somebody see to the air conditioning.
• Thanks for the air-conditioning, horsy.
• We have a problem with the air conditioning in Beta section.
• Georgie's waiting in the car with the air conditioning on.
• The air conditioning system does not appear to be working properly.
• Air recirculated helps reduce fuel consumption related to the air conditioning system.
• Anyone asks, we're working on the air conditioning.
• I can flush the contaminated areas using the air conditioning.
• Money is in the air-conditioning vent.
• I Go up to bed, the air conditioning.
• Apart from the air-conditioning not working, it's pretty much perfect.
• Brent Barrow shouldn't be in control of the air-conditioning.
• You know, loose debris can get sucked up into the air conditioning vents.
• The air conditioning just turned off.
• There's a guy here fixing the air conditioning.