I've replaced all bulbs in those fixtures (was 26 or 27 as I recall) and about half were really hard to remove. I used a rubber jar lid remover on the toughest. Looking at the lens, it's CCW to remove. Be persistent.
2013 F-350 CC SB 2WD 6.7PS
2013 Eagle Premier 351 RLTS
-SOLD- 2012 X23B
-SOLD- 2003 Ford Expedition 5.4, Bilstein shocks