NBA executive vice president of operations Stu Jackson announced the fine Thursday.
David was fined for language he used when addressing a fan during the second quarter of Boston's 92-86 loss to the Detroit Pistons at the Palace of Auburn Hills on Wednesday.
It was the second fine Jackson has handed down to a Celtics player is as many days. Boston forward Rasheed Wallace was fined $35,000 on Wednesday for publicly criticizing officials.
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