IEVref:192-07-02ID:
Language:enStatus: Standard
Term: maintenance time
Synonym1:
Synonym2:
Synonym3:
Symbol:
Definition: duration of maintenance, including active maintenance time, and technical and logistic delays incurred, for a given maintenance action

time interval

up time

down time

enabled time

externally disabled time

enabled time

down time

operating time

non-operating time

operating time

non-operating time

idle time

standby time

externally disabled time

preventive maintenance time

time to restoration

corrective maintenance time

fault detection time

administrative delay

maintenance time
(see Figure 2)

RT

NRT

RT

NRT

RT

NRT

RT

NRT

RT

NOTE 1 All times mentioned in the figure are time intervals or sequences of time intervals.

NOTE 2 In the bottom row, RT signifies required time and NRT signifies non-required time, although these are not normative abbreviated terms.

NOTE 3 In some cases, it can be possible to perform some maintenance when an item remains functioning as required; see also on-line maintenance. To keep Figure 1 simple, the time associated with such maintenance is not addressed in the figure.

Figure 1 – Times related to operation and maintenance

maintenance time

corrective maintenance time

preventive maintenance time

logistic delay

active maintenance time

logistic delay

active corrective maintenance time

active preventive maintenance time

technical delay

fault localization time

fault diagnosis time

fault correction time

function checkout time

technical delay

preventive maintenance action time

function checkout time

 

repair time

 

NOTE All times mentioned in the figure are time intervals or sequences of time intervals.

Figure 2 – Maintenance times

Note 1 to entry: Time spent in on-line maintenance is a part of the maintenance time.

Note 2 to entry: Maintenance time excludes fault detection time and administrative delay.


Publication date:2024-03-08
Source
Replaces:192-07-02:2015-02
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5: