What was found
FMC-L FAILED. FMC-R IS FUNCTIONAL. GROUNDED - YES. PERFORMED BITE TEST FOR FMCS. ON LEFT FMCS, FOUND LEFT FMC GLITCH TIMER FAULT. FMC RIGHT NO FAULTS NOTED. REMOVED AND REPLACED FMC #1 REF B737-800 AMM 34-61-02. INSTALLED 4 MIG-51A TAGS. 4 MIG-51A TAGS REMOVED. PERFORMED FMC SOFTWARE INSTALLATION WITH PORTABLE DATA LOADER REF AMM 34-61-00. OPS SOFTWARE P/N: 559775-001. OPC SOFTWARE P/N: BCG-01T-62. MEDB SOFTWARE P/N: BCG-01T-A0. LDDB SOFTWARE P/N:557362-004. ADDB SOFTWARE P/N: ASA1007A. NDB SOFTWARE P/N: ASA1210801. PERFORMED FMC SOFTWARE CROSSLOAD REF AMM 34-61-00. PERFORMED FMCS OPERATION TEST REF AMM 34-61-00.