KINGSBRIDGE - Residents in the Riverdale and Kingsbridge sections of the Bronx have had mail issues for the last four months, according to Rep. Eliot Engel. 

Engel met with the postmaster on Wednesday to go over the problem. 

The U.S. Postal Service tells News 12 the Bronx that in the case of Kingsbridge, it has not seen widespread irregularities or reports for sustained periods of non-delivery. 

Sources tell News 12 that mail carriers have called out recently trying to "get back" at their managers, and the shifts are apparently not back-filled.