What was found
ON TAKEOFF AROUND 300 AGL RECEIVED EQIP BAY SMOKE FAIL CAUTION MESSAGES. COMPLETED CHECKLIST, RETURNED TO DEPARTURE. FOUND FAULT CODE 2613F0002, EE BAY LOW AIR FLOW SMOKE DET 1&2 ( A238 & A239) DETECT LOW AIR FLOW CH A & CH B. PERFORMED EFIM SOLUTION 2-41919, INSPECTED SMOKE DET 1&2 & FOUND FLEX TUBES FOR DETECTOR KINKED ON BOTH DETECTORS & LOOSE ALLOWING AIR LEAKAGE. INSPECTED LINES/DETECTORS FOR BLOCKAGE & DAMAGE. NOTHING FOUND. RESECURED FLEX TUBES ON BOTH DETECTORS. AIR FLOW SIGNIFICANTLY INCREASED THROUGH DETECTORS. OPS CHECK OF SMOKE DETECTORS GOOD PER A220 BD500-A-J26-10-00-01AAA-320A-A. OPS TEST OF FIDEX SYSTEM GOOD PER BD500-A-J26-00-01AAA-320A-A. CLOSED CARGO PANELS PER A220 AMP 06-48. CALL CAR C/W.