What was found
VOR 1 AND 2 RED FLAG IN FLIGHT. DME AND IDENTIFIERS STILL DISPLAYED. NO DEFLECTION NEEDLES. / PERFORMED OPS CHECK OF THE VHF NAVIGATION RECIEVER IAW CRJ 700 AMM 34-51-00-710-801-A01. OPS CHECK BAD. SEE NEXT BLOCK FOR FURTHER MX. INTERROGATED MDC FOUND B1-304726/309160. REMOVED AND REPLACED RTU #1 IAW CRJ700 AMM 23-81-01-000/400-801.REMOVED AND REPLACED VHF NAV RECEIVER IAW CRJ700 AMM 34-51-01-000/400-801. REMOVED AND REPLACED #1 VHF TRANSCEIVER IAW CRJ700 AMM 23-11-01-000/400-801. PERFORMED OPERATIONAL CHECK OF THE VHF SYSTEM IAW CRJ700 AMM 23-11-00-710-801.OPS CHECK GOOD. PERFORMED OPERATIONAL CHECK OF THE #1 RTU IAW CRJ700 AMM 23-81-00-710-801. OPS CHECK GOOD. PERFORMED OPERATIONAL CHECK OF THE VHF NAVIGATION RECEIVER USING THE IFR4000 DUE TO LOCAL VOR STATION BEING INOP PER A NOTAM. IAW CRJ700 AMM 34-51-00-710-801. OPS CHECK GOOD AT THIS TIME. PERFORMED FUNCTIONAL CHECK OF THE LOCALIZER AND GLIDE SLOPE INDICATIONS IAW CRJ700 AMM 34-51-00-720-801. FUNCTIONAL TEST GOOD AT THIS TIME. OPERATION WAS FOUND TO BE NORMAL DUE TO THE LOCAL VOR STATION BEING INOP."