A ship with concussion bombs has previously spent 1 charge, and has its rear pointed at the board edge such that a dropped bomb would be partially (or fully) out of bounds. Screenshot for reference.
Rules reference page 10:
Quote• A device cannot be placed so that a portion of the device would be outside the play area. If this would happen, play is reversed to before the device was placed—the device is not placed, any charges spent and other costs paid are recovered, and the player can choose to not place that device.
Concussion bombs:
QuoteDuring the System Phase, if any of this card's Charge are inactive, you must spend 1 Charge to drop 1 concussion bomb, if able.
Rules reference page 2:
QuoteIf the ability of a card conflicts with the rules in this guide, the card ability takes precedence.
With this in mind, does the ship in question drop a concussion bomb, or no? I'm mostly leaning towards it does not drop.