: Install fireproof blankets on the engine fan-reverser intermediate seal core area replacing the fireproof insulating coating (MA255) in accordance with United Air Lines, DAS-1-WE, Approved Drawing List No. 5994 dated August 30, 1994, or later FAA approved revisions. View PDF on drs.faa.gov ↗

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