Fault Phenomenon: Haulotte HA32RTJ articulating boom aerial work platform tire pressure is low, leaking from the valve stem.

Troubleshooting Process:
– Checked valve core: core loose or damaged.
– Checked valve stem base: base corroded.
– Checked wheel rim: rim deformed.
– Checked for foreign objects: object puncture.

Root Cause: The tire valve stem core aged or was damaged, causing a leak.

Required Parts: Tire valve core or valve stem assembly.