Fabrication of Onboard Systems Model 200-299-00 Fuel Drain Guard Kit in accordance with Federal Aviation Administration (FAA) approved Onboard Systems Master Drawing List No. 155-111-00, Rev. 6, dated March 11, 2011, or later FAA-approved revision and Installation of the Fuel Drain Guard Kit View PDF on drs.faa.gov ↗

The STC PDF is authoritative: installation instructions, ICA requirements and limitations.