# Service difficulty reports: Lycoming HIO-360-E1AD A list on [Lycoming HIO-360-E1AD](https://openairdocs.org/engine/lycoming-hio-360-e1ad.md). Newest first. General aviation reporting is voluntary. - [SDR AUS20020291](https://openairdocs.org/sdr/AUS20020291.md): Skin · cracked · Mar 20, 2002 · Enstrm F28C · Rotorcraft Tail Boom > (AUS) TAIL CONE SKIN CRACKED IN AREA UNDER RADIO AERIAL. - [SDR AUS20020292](https://openairdocs.org/sdr/AUS20020292.md): Bulkhead · damaged · Mar 20, 2002 · Enstrm F28C · Rotorcraft Tail Boom > (AUS) TAIL BOOM BULKHEAD AND SKINS CRACKED. INCORRECT ANCHOR NUTFITTED. - [SDR 2002FA0000586](https://openairdocs.org/sdr/2002FA0000586.md): Connecting Rod · failed · Mar 1, 2002 · N51657 · Enstrm 280C · Reciprocating Engine Power Section > NR 2 CONNECTING ROD BOLT FAILED CAUSING CONNECTING ROD TO GO THROUGH CRANK CASE CAUSING MAJOR ENGINE FAILURE. ENGINE DESTROYED. TOP OF BOLT FAILED CAUSING ROD CAP TO BEND BACK AND EVENTUALLY FAIL. THREADED END OF THE BOLT FOUND IN BOTTOM OF ENGINE CASE IN G - [SDR 2003FA0000350](https://openairdocs.org/sdr/2003FA0000350.md): Line · broken · Jan 4, 2002 · N646H · Enstrm 280C · Aircraft Fuel Distribution System > THE TUBE FAILED INSIDE THE FERRULE ON THE ENGINE DRIVEN FUEL PUMP FITTING DUE TO RUBBING AND VIBRATION. FAILURE WAS FOUND AFTER PILOT COMPLAINED OF LOW M.A.P., ABOUT 2 IN HG, AT MAXIMUM OPERATING PERIMETERS, AND FUEL CONSUMPTION LOW. - [SDR 2001FA0000685](https://openairdocs.org/sdr/2001FA0000685.md): Valve Seat · loose · Dec 11, 2001 · N123MT · Enstrm 280C · Reciprocating Engine Cylinder Section > NUMBER 4 CYLINDER HAD AN INTAKE VALVE SEAT COME LOOSE AND THE PISTON HAD BROKEN RINGS. SUBSEQUENT LOSS OF POWER. - [SDR AUS20010932](https://openairdocs.org/sdr/AUS20010932.md): Turbocharger · fod · Jul 26, 2001 · Enstrm F28C · Exhaust Turbocharger > (AUS) ENGINE TURBOCHARGER INGESTED A NUT FROM THE AIR STATIC TUBE LOCATED INSIDE THE AIR CLEANER. FOD. - [SDR AUS20010724](https://openairdocs.org/sdr/AUS20010724.md): Bearing · failed · May 25, 2001 · Enstrm 280C · Main Rotor Head > (AUS) MAIN ROTOR HEAD LAMIFLEX BEARING FAILED. SUSPECT CAUSED BY GREASE CONTAMINATION. - [SDR 99ZZZX3398](https://openairdocs.org/sdr/99ZZZX3398.md): Valve · failed · Aug 19, 1999 · Reciprocating Engine Cylinder Section > INSTALLED NEW VALVES AT TIME OF OVH. VALVE STEM END BROKE OFF DUE TO ABNORMAL WEAR. - [SDR 99ZZZX3075](https://openairdocs.org/sdr/99ZZZX3075.md): Capacitor · failed · Aug 9, 1999 · Magneto/Distributor > DURING RUN-UP, CUSTOMER NOTED NO MAG DROP ON ONE MAGNETO. MAINTENANCE PERSONNEL FOUND CAPACITOR WAS 'OPEN' INTERNALLY, SO MAG COULD NOT GROUND WHEN SELECTED. NEW CAPACITOR WAS INSTALLED AND FUNCTION CHECKS WERE NORMAL. - [SDR CA980915013](https://openairdocs.org/sdr/CA980915013.md): Flex Coupling · cracked · Sep 2, 1998 · Enstrm F28C · Tail Rotor Drive Shaft > (CAN) ONE CRACKED PLATE IN FLEX PACK ON 100 HR INSPECTION. - [SDR AU980382](https://openairdocs.org/sdr/AU980382.md): Bearing · failed · Apr 8, 1998 · Enstrm 280C · Main Rotor Head > (AUS) MAIN ROTOR HUB `LAMAFLEX' BEARING FAILED IN-FLIGHT. - [SDR 99ZZZX341](https://openairdocs.org/sdr/99ZZZX341.md): Stud · damaged · Oct 10, 1997 · N51703 · Enstrm 280C · Reciprocating Engine Cylinder Section > DURING ANNUAL INSPECTION, 10-10-97, NR 2 CYLINDER COMPRESSION LOW. AFTER INSPECTION OF CYLINDER, FOUND INTAKE VALVE SEAT LOOSE AND VALVE BURNT. SUBMITTER STATED POSSIBLE CAUSE MAY HAVE BEEN OVERBOOSTING ENGINE DURING FLIGHT INSTRUCTION. - [SDR 99ZZZX342](https://openairdocs.org/sdr/99ZZZX342.md): Cylinder · damaged · Oct 10, 1997 · N51703 · Enstrm 280C · Reciprocating Engine Cylinder Section > DURING ANNUAL INSPECTION, 10-10-97, FOUND NR 2 CYLINDER COMPRESSION WAS LOW. AFTER INSPECTION OF CYLINDER, INTAKE VALVE SEAT WAS FOUND LOOSE, INTAKE VALVE WAS BURNT. AT THAT TIME, THE OWNER SHOWED 2 MORE CYLINDERS FROM PAST MAINTENANCE WITH THE SAME CONDITIO - [SDR 97ZZZX964](https://openairdocs.org/sdr/97ZZZX964.md): Cylinder · failed · Jan 29, 1997 · N51774 · Enstrm F28C · Reciprocating Engine Cylinder Section > ON A NIGHT TRAINING FLIGHT, NR 2 CYLINDER BLEW OUT ABOVE THE EXHAUST PORT. THE BLOW-OUT STEERED THE NR 4 CYLINDER OIL LINE AND STARTED A FIRE. AN EMERGENCY LANDING WAS ACCOMPLISHED WITHOUT INJURY TO THE INSTRUCTOR OR THE STUDENT, HOWEVER, THE AIRCRAFT WAS CO - [SDR CA960715008](https://openairdocs.org/sdr/CA960715008.md): Damper · sheared bolt · Jul 4, 1996 · Enstrm 280C · Main Rotor Head > (CAN) BOLT FOUND SHEARED IN TWO AT THE ATTACHMENT TO THE MAIN ROTOR HUB. - [SDR CA960522005](https://openairdocs.org/sdr/CA960522005.md): Blade · delamination · May 8, 1996 · Enstrm F28C · Tail Rotor Blades > (CAN) BLADE DELAMINATING IN MID PART OF BLADE TOWARDS LEADING EDGE. - [SDR AU960515](https://openairdocs.org/sdr/AU960515.md): Pipe · wrong part · Jan 26, 1996 · Enstrm 280C · Engine Fuel Distribution > (AUS) NO1 CYLINDER EXHAUST VALVE SEAT DROPPED CONTACTING THE PISTON AND CAUSING CYLINDER FAILURE - ENGINE WAS BULK STRIPPED AND INVESTIGATION OF NO1 CYLINDER ASSEMBLY FOUND: 1. EXTERNAL SIGNS OF OVERHEATING 2. FUEL INJECTION PIPE FLOW 7PPH - NORMAL IS 30PPH - [SDR 96ZZZX159](https://openairdocs.org/sdr/96ZZZX159.md): Bolt · failed · Dec 6, 1995 · N5697B · Enstrm F28C · Reciprocating Engine Power Section > THE NR 3 ROD CAP SEPARATED FROM ROD. ROD BOLTS WERE DAMAGED TOO BADLY TO BE IDENTIFIED FOR SURE, BUT SHOULD BE PART NUMBER LISTED. THESE BOLTS HAVE STRETCH TORQUE. SUBMITTER SUSPECTS IMPROPER TORQUING (EITHER TOO MUCH OR NOT ENOUGH) CAUSING BOLT FAILURE. A - [SDR 95ZZZX4024](https://openairdocs.org/sdr/95ZZZX4024.md): Tube · detached · Jul 26, 1995 · N5689T · Enstrm F28C · Reciprocating Engine Cylinder Section > HELICOPTER DEPARTED SCK AIRPORT AND MADE A FORCED LANDING IN A FIELD. INVESTIGATION FOUND AN INDUCTION TUBE HAD COME LOOSE. RECOMMEND DURING OVERHAUL, ALL TUBES BE RE-SWAGED. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'HIO360E1AD' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/lycoming-hio-360-e1ad/reports --- 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.