As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED BRAKE SOURCE AND SYS PRESS LIGHT BUT INDICATING GOOD PRESSURE ON STATUS PAGE FOR L-C-R SYSTEMS. T/S BRAKE SOURCE AND RT HYD SYS PRESS LIGHT IAW ASM 32-41-01. FOUND THE ALT BRAKE SELECTOR VALVE PRESS SWITCH S415 TO BE FAULTY. LIGHTLY TAPPED ON SW S415 AND BOTH SOURCE AND RT HYD SYS PRESS LIGHTS EXTINGUISHED WITH LT & RT HYD SYS PRESSURIZED. R & R ALT BRAKE SELECTOR VALVE PRESSURE SWITCH S415 PER AMM 32-41-04-4 AND SMP. PERFORMED OPS AND LEAK CHECKED, NO DEFECTS NOTED.