Maintenance

Question 1

Hard time

Answer 1

item must be removed from services before its scheduled maintainance period for repair or inspection

It’s a ‘failure prevention method’
- each component has a definite time limit
- item is remove from service before its safe life expires

Question 2

On condition maintenance

Answer 2

uses periodic monitoring, inspection or checks to determine item’s performance against standard wear limit (time)

applied to items where their continued air worithness can be tested, checked measured without disassembly or overhaul

The condition of an item is monitored either continuously or at specified periods and its performance compared to an appropriate standard to determine if it can continue in service.

items might be removed before it fails in services or if it cannot be accessed