PMA Details S253T407-4

Part Number: 306-4320
Part Name: Switch Assembly, Stab Trim
Replaced Part Number: S253T407-4
Approval basis: Identicality per 14 CFR 21.303, Licensing agreement between Boeing Commercial Airplane Group and Mason Electric Company, Inc. File No. 6-1034-92-RMS-1219 Dated 8-13-92 Dwg. 306-4320 Rev. G Dtd. 06/05/01 or later FAA approved revisions.
Models: Boeing (757-200)
Holder: Esterline Mason
Holder number: PQ1161NM
Address: 13955 Balboa Blvd Sylmar CA (United States)
Office: Van Nuys CA FAA Office Tel: (818) 904-6298

Certificat: FAA