GA Threatened to Enforce Carry On Size Limit
First time I've seen this. The GA on my flight to MSP initially wouldn't let a passenger bring a piece of luggage on board because it was clearly over the 9" thickness limit. The luggage was one of those with an extra zipper that let's the bag inflate a couple more inches. The GA relented when the customer said they would check the bag next time. The conversation was quite entertaining.