Ford Engine/chassis - 800 number tells you where your nearest Ford Chassis Service dealer is.
PC problem, always call PC first and if they can't help you fix it they need to approve any work by an RV dealer and they will pay. They can get parts to you quickly.
If it is major work, where local dealers have no idea what to do or how to estimate it, it is best to head to factory and get great fast service with job done right.
I once had damage to the entire back fiberglass. Local insurance said it would take a week and be a repair job, PC replaced the entire back in one day and I was back on the road. for less money.