1

Situation upon entry means: the situation of this part when it was placed to its current position (this can be when installed - when the current position is on aircraft - or when received - when the last document is a material reception -, ...)

•Entry date : Date when the component entered into this position

•A/C FH : Total aircraft time (FH) on installation

•A/C FC : Total aircraft cycles (FC) on instalaltion

2

Similarly to the CURRENT SITUATION matrix, this matrix is representing the component aging when it entered the current position (in this example, when the component was installed on aircraft)

Columns :

•TS (FH) : Time since (in flight hours)

•CS (FC) : Cycles since (in flight cycles)

•MS(Month) : Month since (in month)

Lines :

•INS : Inspection or Repair

•OHL : overhaul

•NEW : renewal