ruralsub123 -- "Are there any positions at all that an RCA can bid on or transfer to as an RCA? "
-- Aside from transferring to another post office as an RCA, officially there is no where to go without resigning as an RCA.
-- However - comma - RCA's have posted that a supervisor or PM somehow got them into CCA or PSE positions. Unfortunately, details how that was accomplished was never provided.
-- Numerous postings as well as news articles that the USPS is reducing APWU positions.
-- If considering the NALC or APWU, do your due diligence.
-- Any post offices in your area that may have a better chance of making regular? Just remember you'll lose any seniority when voluntarily transferring to another office.