The A320 did not obey a -FL090 ALT constraint, restarting CLB before reaching the constraint waypoint

[kevinh]

Departing EIDW 28R, using the PESI2J SID. The A320 levelled off at FL090 after passing waypoint DW991 because the next waypoint (DW122) has a -FL090 ALT constraint. However it recommenced CLB before reaching that waypoint. A pseudo waypoint for the 250/10000 speed limit appeared between these two waypoints and I think that may have broken the CLB constraint logic. A later ALT constraint at -FL230 was correctly respected.

AIRAC 2508 was still current when I flew this today but I see the FMGC says 2509 is active (from tomorrow, Sept 4).

Kevin

Edited September 3, 2025 by kevinh