Upper inside skin, core and outside skin removed from 1" inboard of BL134 rib, inboard side, to 1" outboard of BL99.5 rib, outboard side. Between these two lines, outer skin, core and inner skin removed from leading edge aft to spar web.
Outer skin and core removed from spar web to 1 1/2" aft of spar web, arcing to 3 1/2" aft of spar web at BL113 and to 1 1/2" aft of spar web at BL102.
Additional triangular area of outer skin and core removed at BL108 from 3" aft of spar beb to 9 1/2" aft of spar web.
Lower outer skin, core and inner skin removed from leading edge to lower spar cap.
Attached tube to fuel tank vent. Sealed all other tank openings. Pressurized tank to the maximum extent of breath. Sealed tube. Check for results at later date.