What was found
DURING CRUISE, THE CABIN CREW NOTICED A STRONG ELECTRICAL BURNED ODOR, (NO VISIBLE SMOKE). THE VIDEO TAPE REPRODUCER (VTR) SYSTEM WAS SUSPECT, SO THE SYS WAS POWERED DOWN AND CIRCUIT BREAKERS PULLED. THE ODOR DISSIPATED. LANDING WAS NORMAL AND UNEVENTFUL. MX CONFIRMED CAUSE OF ODOR TO BE FROM THE NR 1 VTR, (12MH) AND RELEASED IAW DMI NR NEF00000586, WITH VTR NR 1 DEACTIVATED. ACFT RTS. ON 3/10/09 MX REPLACED THE NR 1 VTR (12MH) IAW AMM 23-36-52PB401. OPS CK'S OK. ACFT RETURNED TO SERVICE. THE UNIT WOULD NOT POWER UP, DUE TO THE POWER SUPPLY BOARD BURNED & UNREPAIRABLE. THE POWER SUPPLY BOARD WAS REPLACED, THE UNIT TESTED & RETURNED TO SERVICE.