What was found
CREW RECEIVED FIRE ENGINE NR 2 WARNING ON CLIMBOUT, ENGINE WAS SHUT DOWN AND FIRE BOTTLE B WAS USED. CREW THEN DECLARED EMERGENCY AND RTF. A/C LANDED UNEVENTFULLY, CABIN WAS NOT PREPARED. MX REPLACING HARNESSES 170-27633-401, 171-01016-401, AND 171-08605-401 DUE TO WIRING ISSUES PER EMB AMM. A/C IS CURRENTLY STILL OOS.