DATE: 8- 15- 90 us otyurnovrr or IllANIPOWANCY. flOCRAt. AVIATION AtOMSTRATKIN i SaMOSIS MAMIE RPM AND ALTERATION . POI FAA WI ONLY (Airframe, Plwerplint, Propeller, or Apr,liana) OITICE IDENNocAna. • ' WP-PHX-FSDD iNstRucTIONS Prod or type ell eon,. te FAR 410. INA if Append., 8. aed AC 43,-I (Or