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AA.I.A.S4FAA-S-ACS-11A · Nov 2023Skills

Demonstrate or describe, as appropriate, the process for deferring inoperative equipmen...

ACS element text (the applicant demonstrates understanding of)

Demonstrate or describe, as appropriate, the process for deferring inoperative equipment (e.g., MEL) and using a CDL.

Bottom line

A Configuration Deviation List (CDL) is used in the same manner as an MEL but it differs in that it addresses missing external parts of the aircraft rather than failing internal systems and their constituent parts.

FAA references

  1. AFH ch. 16 (pp. 16-24–16-25) — FAA-H-8083-3C
  2. AC 90-117, para. 5.1.2.2 — AC No: 90-117
  3. AC 120-76, paras. 12.7.1, 12.7.2 — AC No: 120-76D
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