As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) RIGHT HAND BLEED AIR LIGHT AND MASTER CAUTION LIGHTS ILLUMINATED SHORTLY AFTER TAKEOFF. AIRCRAFT SAFELY RETURNED TO DEPARTURE BASE. MAINTENANCE CHECK FOUND A BLEED AIR LINE HAD DEVELOPED A SMALL PIN HOLE WHICH ALLOWED AIR TO ESCAPE REDUCING PRESSURE IN THE SYSTEM CAUSING WARNING LIGHTS TO COME ON. DEFECTIVE LINE REPLACED AND SYSTEM CHECKED SERVICEABLE.