What matters is where a JL G fare fits in the AAdvantage earning table for flying JL marketed flights — link.

Assuming G fare, on international flights,

Economy L, V, S, G, O
Base Miles 50%
Cabin Bonus –
EQM per mile flown 1.00
EQD Per mile flown 10%
Elite Qualifying Segment earned (per segment flown) 1.00

On domestic flights, nothing.