What was found
AFTER TAKEOFF, SMELL OF SOMETHING BURNING THROUGHOUT CABIN FOR 3 - 4 MINUTES, THEN WENT AWAY. ENG PARAMETERS REMAINED STEADY. REQUEST BOTH ENGS BE INSPECTED FOR INGESTION. PERFORMED VISUAL BIRD STRIKE INSPECTION. NO DEFECT FOUND ON BOTH ENGS, REF LOG PAGE 611392. R & R COALESCE BAG ON LT & RT AC IAW AMM 21-20-02. OPERATIONS & LEAK CHECK GOOD, NO ODOR NOTED.