AMC M.A.301(b) Continuing airworthiness tasks
ED
Decision 2020/002/R
1. The operator should have a system to
ensure that all defects affecting the safe operation of the aircraft are
rectified within the limits prescribed by the approved minimum equipment list
(MEL), configuration deviation list (CDL) or maintenance data, as appropriate.
Also that such defect rectification cannot be postponed unless agreed by the
operator and in accordance with a procedure approved by the competent
authority.
2. When deferring or carrying forward a
defect rectification, the cumulative effect of a number of deferred or carried
forward defects on a given aircraft and any restrictions contained in the MEL
should be considered. Whenever possible, deferred defect rectification should
be made known to the pilot/flight crew prior to their arrival at the aircraft.
3. In the case of aircraft used by air
carriers licensed in accordance with Regulation (EC) No 1008/2008 and of
complex motor-powered aircraft, a system of assessment should be in operation
to support the continuing airworthiness of an aircraft and to provide a
continuous analysis of the effectiveness of the CAMO defect control system in
use.
The system should provide for:
(a) significant incidents and defects:
monitor incidents and defects that have occurred in flight and defects found
during maintenance and overhaul, highlighting any that appear significant in
their own right.
(b) repetitive incidents and defects: monitor
on a continuous basis defects occurring in flight and defects found during
maintenance and overhaul, highlighting any that are repetitive.
(c) deferred and carried forward defects:
Monitor on a continuous basis deferred and carried forward defects. Deferred
defects are defined as those defects reported in operational service which are
deferred for later rectification. Carried forward defects are defined as those
defects arising during maintenance which are carried forward for rectification
at a later maintenance input.
(d) unscheduled removals and system
performance: analyse unscheduled component removals and the performance of
aircraft systems for use as part of the maintenance programme efficiency.
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