Brief Description: Service Bulletin October 11 2018
7/4/19 3.0 Hours Continue with Service Bulletin. Tried to get rivet trash out but finally relilized that it was in the aft compartments. Will have to drill holes in aft spar. Pilot drilled then up drilled to #30 extra rivet holes along stab ribs half way between exsisting rivets. Riveted ribs. Clecoed into place one of the skin doublers. Factory drilled holes match up real well.
7/5/19 2.3 Hours Riveted stab ribs on other side. Clecoed the riveted stab leading edge doublers both sides. Drilled some 3/8" holes in back of rear spar trying to get rivet trash out. No luck.
7/6/19 3.4 Hours Enlarged holes in rear stab spar to 3/4" to get rivet trash out. Rocked back and forth and most of the trash came out. Finished riveting skin doubler. Rivet 8' hinge into place on elevator, Service Bulletin October 11 2018 completed.