e.g. FMGC, ELAC 2, 1CA1, BSCU, RA 1
REFERENCE ONLY — not authorized for maintenance, repair or return-to-service. Positions are drawn from a rack layout sheet and a computer list; dashed positions are options that may not be fitted on a given aircraft, and a unit can sit in a different position after a modification. Check the unit's label before removing it.