As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R BLEED DUCT WARNING AT FL 270. R & R ALL WORN OUT & LOOSE FITTING P-CLAMPS ON BLEED AIR LEAK AIR DETECTION LOOP IN AFT EQUIPMENT BAY IAW CRJ 550 AMM 36-21-01, 36-21-03 & 36-21-00. PERFORMED OPS CHECK IAW CRJ 550 AMM 36-21-00-710-801-A01, OPS CHK SATISFACTORY