GM1 MMEL.145(c) Justification of MMEL items
ED Decision 2014/004/R
QUALITATIVE SAFETY ASSESSMENT – LATENT FAILURES
Regarding MMEL dispatch configuration leaving the aircraft two failures away from a catastrophic failure condition, particular attention should be paid to combinations involving one failure which is latent for more than one flight. Whenever practical, such combinations should be avoided per MMEL dispatch condition (e.g. verification task clearing the latent failure prior to each flight). Where these latent failures are not avoided, these combinations of failures should be reported and reviewed with the Agency.
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