# Jacobs R-755B1 - Type: Engine model (FAA registry) - Registry code: 35022 - Manufacturer (registry): JACOBS - Model: R-755B1 - Engine type: Reciprocating - Power: 275 hp - Data sheet: [TCDS E-237](https://openairdocs.org/tcds/E-237) (OpenAirDocs) - Holder: Air Repair Inc. - Installed in: 0 registered aircraft - Page: https://openairdocs.org/engine/jacobs-r-755b1 Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft None registered with this engine model now. ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports None matched to aircraft with this engine model. ## Service difficulty reports (11) As reported by operators and repair stations, by the model named in the report. - [SDR 2004FA0000442](https://openairdocs.org/sdr/2004FA0000442), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN - [SDR 2004FA0000456](https://openairdocs.org/sdr/2004FA0000456), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN - [SDR 2004FA0000465](https://openairdocs.org/sdr/2004FA0000465), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN - [SDR 2004FA0000466](https://openairdocs.org/sdr/2004FA0000466), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN - [SDR 2004FA0000467](https://openairdocs.org/sdr/2004FA0000467), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN - [SDR 2004FA0000471](https://openairdocs.org/sdr/2004FA0000471), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN - [SDR 2004FA0000478](https://openairdocs.org/sdr/2004FA0000478), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN - [SDR 2004FA0000481](https://openairdocs.org/sdr/2004FA0000481), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN - [SDR 2004FA0000482](https://openairdocs.org/sdr/2004FA0000482), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN - [SDR 2004FA0000503](https://openairdocs.org/sdr/2004FA0000503), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN - [SDR 95ZZZX5984](https://openairdocs.org/sdr/95ZZZX5984), Aug 29, 1995: ENGINE. FAILED. ON FIRST FLIGHT AFTER MAINTENANCE (STARTER REPLACEMENT) ON 8-29-95, 25 MINUTES INTO FLIGHT, HAD SUDDEN ONSET OF ENGINE VIBRATION. HEADED TOWARD AIRPORT. WITHIN ## STCs that may be installed (OpenAirDocs) (8) Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC - [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc - [STC SE572SW](https://openairdocs.org/stc/SE572SW): Installation of Jacobs RAS325A exhaust valve rotocaps. Air Repair Inc - [STC SE04136AT](https://openairdocs.org/stc/SE04136AT): Installation of Bendix Scintilla WL-7A Battery Ignition Timer (distributor) modified from a breaker points and condenser design to a Hall Effect electronic sensor design. Air Repair Inc - [STC SE01652WI](https://openairdocs.org/stc/SE01652WI): Modification of engine to replace contact points and condenser controlled Bendix Scintilla WL-7A battery timer (distributor) with an electronically controlled WL-7A-M battery timer. Radial Engines Ltd - [STC SE01243WI](https://openairdocs.org/stc/SE01243WI): Installation of Barron Aviation intake tube drain kits on the engines listed on the attached FAA Approved Model List (AML) No. SE01243WI, dated April 26, 2004, or later FAA Approved revision. Barron Aviation - [STC SE2416CE](https://openairdocs.org/stc/SE2416CE): Add the following approved fuel: unleaded automotive gasoline 87 minimum antiknock index and leaded automotive index(RON+MON)/2. Petersen Aviation Inc - [STC SE639SW](https://openairdocs.org/stc/SE639SW): Continental W-670 link rods. Aircraft Engine Service Inc. Lists R-755B Series --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.