What was found
D: RECEIVED MASTER WARNING AURAL WARNING SOON AFTER GEAR UP AFTER TAKEOFF. RECEIVED A BRAKE OVHT WARNING MESSAGE PLUS ASSOCIATED AURAL ?BRAKES?. LEFT INBOARD BRAKE INDICATION VARIED IN RED FROM 1 TO 20 WHILE ALL OTHER INDICATIONS WERE GREEN AND 0 OR 1. SOUND AND MESSAGE WOULD CONSTANTLY GO IN AND OUT THROUGHOUT CLIMB, CRUISE, AN DESCENT. COMPLETION OF QRH PROCEDURE NOT APPROPRIATE GIVEN THE FACT THAT THIS WAS AN OBVIOUS ERRONEOUS INDICATION PER FOAB091922-1C: MEL 32-46-1DCAT: C DUE DATE: 04 MAR 2024RECEIVED MASTER WARNING AURAL WARNING SOON AFTER GEAR UP AFTER TAKEOFF. RECEIVED A BRAKE OVHT WARNING MESSAGE PLUS ASSOCIATED AURAL €ŒBRAKES€?. LEFT INBOARD BRAKE INDICATION VARIED IN RED FROM 1 TO 20 WHILE ALL OTHER INDICATIONS WERE GREEN AND 0 OR 1. SOUND AND MESSAGE WOULD CONSTANTLY GO IN AND OUT THROUGHOUT CLIMB, CRUISE, AN DESCENT. COMPLETION OF QRH PROCEDURE NOT APPROPRIATE GIVEN THE FACT THAT THIS WAS AN OBVIOUS ERRONEOUS INDICATION PER FOAB091922-1 (FLIGHT 6278 FILED CLOSED)FEB 23, 2024 STATION: LAX--DEFERRED LH INBOARD BRAKE TEMPERATURE MONITORING SYSTEM READOUTS PER MEL 32-46-1D. MX ACTIONS COMPLIED WITH. PLACARD INSTALLED. AUTHORIZED BY MCC. FEB 27, 2024 STATION: FAT -- REPLACED LEFT MLG INBOARD HARNESS SEE CAMP # CP27874319 FOR REMOVAL AND REPLACEMENT. PERFORMED SIX GEAR SWINGS WITH NO BRAKE TEMP FLUCTUATIONS, WARNING MESSAGES OR AURAL WARNINGS. PERFORMED OPERATIONAL TEST OF THE BRAKE TEMP MONITORING SYSTEM IN REFERENCE TO CRJ 700 AMM 32-46-00. OPS TEST GOOD. REVERSED MAINTENANCE PROCEDURE AND REMOVED PLACARD.