Does B737-400/500 have dump fuel system?

Date:         03 Nov 98 02:05:42 
From:         stcho@asiana.co.rk (sun tea cho)
Organization: Inet Internet Services
Followups:    1 2 3 4

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Recently I know that  B737-400/500 dosen't have fuel dump system ?

why ?

thank you in advance ...