A maintenance manual states: 'Lubricate the bearing assembly only when audible friction is detected OR when cumulative operating hours exceed 500, whichever condition is met first — unless the unit is operating under load, in which case defer lubrication until the next scheduled shutdown.' A technician notices audible friction at 480 hours while the unit is under load. The next scheduled shutdown is in 12 hours. What is the correct course of action?

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