British Airways is running an investigation right now . . . after they found out a flight attendant was offering paid SEXUAL SERVICES on flights.  She was advertising on OnlyFans . . . and now the airline is trying to figure out who she is.

FULL STORY/PICS

BA stewardess selling sex and even offers clients on-board experience

The attendant, who also sells her knickers online, lures in clients by taking risque snaps mid-air in her uniform. One sees her hitching up her skirt in the galley kitchen yards from oblivious passengers. Another in a cabin toilet showed her wearing just tights under her BA uniform, with the caption: "No panties on Sundays."