2022 Cornerstone - slide issue
Went to close our slides today and all went well, as normal, except this time after all three other slides closed correctly, the rear PS's (passenger slide's) bottom moved inward yet the top stayed out. The top seemed to be stuck; would not move. We fully opened the PS slide and tried it again with the same result. Then, to change things up, we reopened the DS slide and then the PS slide closed properly. We were plugged into 50-amp shore power and at ride height during the entire process.
Anyone see this before? Possible causes? Is some maintenance needed? We have been traveling for 6 weeks and all slides have worked great.
2022 Cornerstone 45B.
2014 42DEQ Anthem (sold)
2002 44' Newmar MADP (sold)