New rear brake pads and discs.
Tasks performed:

Rear wheels, brake discs and brake pads disassembled.

Brake pad wear indicator, brake cables and other braking components checked.

Rear brakes cleaned thoroughly.

Function test performed with special devices before new brake discs are fitted.

New brake discs and brake pads fitted; braking performance monitored and tested.

Rear wheels reassembled; braking performance retested.