Pallet skew correction

An aircraft, the aircraft comprising:

• cargo handling system, the cargo handling system comprising:
• a set of first power drive units, wherein a first portion of the set of first power drive units are located in a set of ball panels along a port side of the cargo handling system and wherein a second portion of the set of first power drive units are located along the port side of a cargo deck of the cargo handling system separate from the set of ball panels;
• and
• a set of second power drive units, wherein a first portion of the set of second power drive units are located in the set of ball panels along a starboard side of the cargo handling system and wherein a second portion of the set of second power drive units are located along the starboard side of the cargo deck of the cargo handling system separate from the set of ball panels,
• wherein each of the set of first power drive units and the set of second power drive units comprising:
• a drive roller;
• a motor configured to rotate the drive roller;
• and
• an infrared sensor, wherein each power drive unit in the set of first power drive units is paired with a power drive in the set of second power drive units;
• and
• a controller, the controller is configured to:
• send a command to engage the drive roller of each of the set of first power drive units to drive a cargo in a first direction;
• and
• responsive to receiving a first signal from the infrared sensor from a first power drive unit in the set of second power drive units, send a command to disengage the drive roller of a paired first power drive unit in the set of first power drive units.