TYPES OF MAINTENANCE
En - Route services ( A - Check )
- Visual check for exterior, especially obvious discrepancies
- Worn out flat tyres, oil & fuel levels, visible structural damage
- May include interior / exterior cleaning
- Approx. 0.5 to 1 man-hours required
Terminating checks ( B - Check )
- When flight terminates, at least once a day
- Check engine oil supply, exterior lighting , landing gear , batteries, APU, FDR, cabin water system, Toilets
- Approx. 6 -12 man-hours required