What was found
BOTH PILOTS SMELLED SOMETHING BURNING SIMULTANEOUSLY THE RIGHT FMC FAILED. #2 MCDU POPPING CIRCUIT BREAKER. C/W'D EA H-3461-T0368978 RIGHT MCDU C/B COLLARED. PART 1 RELEASED FOR SERVICE PER MEL : 34-61-01-01-C CATEGORY : C EXPIRATION : 25JUN22 "MEL 34-61-01-01-C: FMC- LARGE DISPLAY SYSTEM - RIGHT MCDU - INOP. IF WARN E LEX MESSAGE IS NOT DISPLAYED, VERIFY AND RECORD IN T HE AML/EAML THAT THE WARN ELEX MESSAGE IS NOT ANNUNC IATED PRIOR TO EACH FLIGHT. IF WARN ELEX MESSAGE IS DISPLAYED, VERIFY AND RECORD IN AML/EAML THAT WEU PO WER SUPPLIES OPERATE NORMALLY PRIOR TO EACH FLIGHT. UNABLE ADS-B OUT OPERATION ON RIGHT ATC TRANSPONDER. UNABLE RNAV RNP AR APPROACHES" CONTROL DISPLAY UNIT R & R RT MCDU WITH REF TO B767 AMM 34-61-02-4. OPS CK OK. C/W EA H-3461-T0368978 P2. RESET RT MCDU C/B. REMOVED MEL 34-61-01-01-C. A/C OK FOR SVC.