HHI TECHNICAL DOCUMENTS CLICK HERE FOR THE AIRCRAFT HEATER APPLICATION GUIDE FAA REVISES AD FOR 14D11 AND 23D04 SERIES FUEL PRESSURE REGULATORS The FAA has revised AD 2004-25-16 for Kelly Aerospace 14D11 and 23D04 Series Fuel Pressure Regulators. Effective 06/20/05. Hartzell Engine Technologies Service Bulletins Kelly Aerospace Service Bulletin A-101 Rev. E Kelly Aerospace Service Bulletin A-102 Kelly Aerospace Service Bulletin A-103 Kelly Aerospace Service Bulletin A-104 Rev. B Kelly Aerospace Service Bulletin A-105 Rev. B Kelly Aerospace Service Bulletin A-106 Rev. A Kelly Aerospace Service Bulletin A-107 Rev. A Kelly Aerospace Service Bulletin A-108 JanAero Service Bulletin A-110 Rev.B Kelly Aerospace Service Letter A-120 Kelly Aerospace Service Letter 023 New and Revised Service Manuals Kelly Aerospace Service Letter 024 Manual Revision Service Service Information Letter for 24E25-1 Service Manual Rev. C Service Information Letter for 94E47 Service Manual Rev. C FAA Airworthiness Directives JanAero AD 2004-25-16R1 for Fuel Pressure Regulators JanAero AD 2004-21-05 for B-Series Heaters South Wind AD 81-09-09 for 8240, 8259 & 8472 Heaters Piper AD 69-13-03 for South WInd 940 Heaters Piper AD 2005-15-10 for 91E92-1 & 91E93-1 Fuel Pumps   You need Adobe Acrobat Reader to read these documents!