What was found
AT LANDING ENG 1 CONTROL SYS FAULT, ECAM CAUTION LOG-PAGE UPDATED AT 02DEC14 1206 UTC. REMOVED NR 1 FMU IAW AMM 73-21-52. INSTALLED NR 1 ENGINE FMU REF AMM 73-21-52-400-802-A UP TO AND INCLUDING STEP 5A. C/W REST OF AMM 73-21-52. OPS, LEAK CHECK GOOD OK FOR SERVICE, FMU SN INSTALLED: FAC12-330.