Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
511377
Service Bulletin/Repair Instructions
As per Lippert Components Technical Service Bulletin 11-004-21. The slide room actuator was assembled incorrectly, which may cause the room to become stuck in the out position and prevent from fully retracting.
701367
Service Bulletin/Repair Instructions
Wiring diagram of the roof mount air conditioner.
831334
Service Bulletin/Repair Instructions
It was discovered that the manufacturing plant did not cut a stress relief line in the upper deck Driver Side and in on certain models, Passenger Side under the slide room(s). The upper deck in the Impression Fifth-Wheel needs to flex, without the "stress relief cut" the sidewall filon may crack under the slide room(s).