What was found
AHM DETECTED WELS MSG 33-12130. REMOTE WELS CONTROL UNIT CONFIGURATION DOES NOT AGREE WITH OTHER WIRELESS EMERGENCY LIGHTING SYS CONTROL UNITS. REF FIM DMC-B787-A-33-50-F1-P2A-421A-A TO CONFIRM FAULT. REF CONFIG DWG 2500DD15922 TO AID LOCATING WCU CLASS 30.1 M3351031 ON SIDE OF OFCR, ABOVE FIRST CEILING PANEL, LT AISLE. PERFORMED EMERGENCY LIGHTS FULL GROUND TEST IAW FIM 33-50-F1-P2A-421A-A. TEST FAILED WITH IDENTICAL MAINT MSG. R & R CLASS 30 WBU IAW AMM 33-51-07-2B. PAIRED WITH WCU 30 IN NETWORK IAW FIM & NO FIX. R & R CLASS 30 WCU WITH NEWLY INSTALLED BATTERY IAW AMM 33-51-07-01B. OPS & DATABASE SOFTWARE LOADED. OPS CHKD GOOD. FULL EMERGENCY LIGHTS GROUND TEST PASSED. OK FOR SERVICE.