What was found
PHX/CMH - FLT 825 - ON DESCENT, CREW EXPERIENCED CLASS 1 FAULT FOR NR 2 LANDING GEAR CONTROL INTERFACE UNIT (LGCIU). A/C LANDED WITHOUT FURTHER INCIDENT. MX REMOVED AND REPLACED THE NR 1 AND NR 2 LGCIU'S PER AMM 32 31 91 AND AMM 32 69 00. BYTE TEST OK. A/C RETURNED TO SERVICE. (X)