Scupper drain Home › Forums › Maintenance of Grummans › Wings › Scupper drain Tagged: AA5B, fuel, scupper This topic has 3 replies, 2 voices, and was last updated 5 years, 3 months ago by Jeff Henderson. Viewing 3 reply threads Author Posts November 10, 2018 at 17:07 #10922 Jeff HendersonParticipant When I fill up my left tank on my Tiger, even if I’m careful to to over fill it, I get a steady slow drip from the associated scupper drain until I burn off about 6 gal or so. Right side okay. Thoughs, expertise? November 10, 2018 at 18:20 #10923 Roscoe RoschéKeymaster Will be one of two things, a crack in the clear plastic scupper drain tube or your scupper drain is coming delaminated. Cheers Roscoe November 10, 2018 at 19:16 #10931 Jeff HendersonParticipant Thank you, Roscoe. I’ll see if I can get a borescope camera and see there’s anything visually to report. January 3, 2019 at 17:26 #12115 Jeff HendersonParticipant Hi Roscoe! So, is this what delamination looks like? What’s the fix? This reply was modified 5 years, 3 months ago by Jeff Henderson. Author Posts Viewing 3 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In