# Service difficulty reports: Continental IO-470-C A list on [Continental IO-470-C](https://openairdocs.org/engine/continental-io-470-c.md). Newest first. General aviation reporting is voluntary. - [SDR 2014FA0000642](https://openairdocs.org/sdr/2014FA0000642.md): Adapter · damaged · Oct 29, 2014 · N10EL · Beech K35 · Turbine Engine Oil System > THE OIL FILTER ADAPTER HAD SEPARATED, PULLED OUT OF OIL PUMP HOUSING, DUE TO THE FAILURE/SHEARING OF THE ATTACHMENT THREADS. THIS FAILURE ALLOWED ALL ENGINE OIL TO BE PUMPED OVERBOARD AND CAUSING AN OFF AIRPORT LANDING. THIS PART IS THE SUBJECT OF AD 96-12-2 - [SDR 2014FA0000660](https://openairdocs.org/sdr/2014FA0000660.md): Piston · destroyed · Oct 13, 2014 · Beech K35 · Reciprocating Engine Power Section > SEVERE ENGINE DAMAGE FOUND DURING SCHEDULED 50 HR INSPECTION: DURING OIL AND FILTER CHANGE, CHIPS AND LARGE METAL PIECES WERE FOUND IN THE OIL, OIL SCREEN, OIL FILTER AND OIL SUMP. AFTER REMOVAL OF THE OIL SUMP IT TURNED OUT THAT THE PISTON SKIRT OF PISTON - [SDR 2014FA0000415](https://openairdocs.org/sdr/2014FA0000415.md): Lock Nut · backed out · May 17, 2014 · N8323D · Beech J35 · Power Lever > WHEN ATTEMPTING TO TRANSITION FROM CRUISE TO DESCENT, THE WIDE-OPEN THROTTLE WAS UNMOVABLE. THIS WAS DUE TO THE FACT THE THROTTLE LEVER WITH ITS FEMALE 45º X 1/16" LONG X 0.015" HIGH SPLINE WAS ALLOWED TO SEPARATE FROM ITS MALE COUNTERPART ON THE THROTTLE SHA - [SDR W59R2012043031326](https://openairdocs.org/sdr/W59R2012043031326.md): Hub · cracked · Apr 27, 2012 · N650Q · Beech K35 · Propeller Hub Section > PROPELLER SUBMITTED FOR OIL LEAK. DURING REPAIR, THE HUB WAS MAGNETIC PARTICLE INSPECTED IAW AD 62-17-01. HUB WAS FOUND CRACKED IN THE WELD AREA, WHICH IS THE SUBJECT OF AN AD. - [SDR 2009FA0001050](https://openairdocs.org/sdr/2009FA0001050.md): Cylinder · destroyed · Oct 18, 2009 · N8312D · Beech J35 · Reciprocating Engine Cylinder Section > (2) FLT HRS INTO CRUISE FLT, ENGINE LOST POWER ON NR 2 CYL AS INDICATED ON UBG-16. SHORTLY AFTER, NR 2 CYL JUG BLEW THROUGH THE ENG COWL, SPRAYING OIL OVER WINDSCREEN. ACFT WAS LANDED ON A 2 LANE STATE HWY. CYL REMAINED HANGING ON THE OUTSIDE OF THE ACFT HE - [SDR 2005FA0000983](https://openairdocs.org/sdr/2005FA0000983.md): Rod End · defective · May 5, 2005 · N374Z · Beech M35 · Landing Gear Retraction/Extension System > THE BEARING END PARTED FROM THE THREAD PORTION OF THE ROD END, CAUSING COLAPSE OF THE NOSE LANDING GEAR. THE DEFECT APPEARED ON ROLL OUT AFTER LANDING, WHEN THE NOSE GEAR COLLAPSED. STRUCTURAL FAILURE OF THE ROD END. (SW15200512716) (K) - [SDR 2004FA0000226](https://openairdocs.org/sdr/2004FA0000226.md): Diaphragm · cracked · Feb 10, 2004 · N762AA · Beech M35 · Engine Fuel Distribution > FUEL DIAPHRAGM ON THE FUEL MANIFOLD VALVE SHOWED DETERIORATION DUE TO AGEING. FUEL LEAKED OUT OF THE AIR BLEED HOLE ON THE FUEL MANIFOLD VALVE, CAUSING ENGINE FUEL FLOW PROBLEMS. ADDITIONAL INSPECTIONS AFTER PROLONGED STORAGE. - [SDR 2004FA0000030](https://openairdocs.org/sdr/2004FA0000030.md): Piston · failed · Dec 31, 2003 · N617Q · Beech J35 · Reciprocating Engine Power Section > THE PISTON IN NR 4 CYLINDER SEPARATED AT THE PISTON PIN BOSS AREA ALLOWING THE CONNECTING ROD END TO PROTRUDE THROUGH THE ENGINE CASE AND THE COWLING. THE CYLINDER HAD THE CERMINIL PROCESS PERFORMED ON IT IN APRIL 14,2000 BY THE ECI (ENGINE COMPONENT INC.).THE - [SDR CA030430004](https://openairdocs.org/sdr/CA030430004.md): Cylinder · cracked · Apr 30, 2003 · Beech M35 · Reciprocating Engine Cylinder Section > (CAN) NR 4 CYLINDER, ON INVESTIGATION DURING LEAK, DOWN TEST NOTED LOW COMPRESSION AND LEAKAGE IN EXHAUST PORT. CYLINDER REMOVED AND CRACK FOUND IN EXHAUST PORT. THIS ENGINE TYPE NOTED FOR HIGH CYLINDER FAILURE RATE. CYLINDER SCRAPPED. - [SDR 20010228CW003](https://openairdocs.org/sdr/20010228CW003.md): Crankcase · cracked · Feb 1, 2001 · N9748R · Beech M35 · Reciprocating Engine Power Section > DURING ANNUAL INSP, OIL LEAK NOTED AT TOP OF CRANKCASE, CLEANING AND RERUN, OIL LEAK RETURNED. FOUND 1.25 IN CRACK EXTENDING FROM TOP CENTER CASE BOLT HOLE AT AREA WHERE FUEL FLOW DIVIDER BRACKET ATTACHES. CRACK IN NON-CRITICAL AREA AND WITHIN CRACK LIMITATI - [SDR 99ZZZX1070](https://openairdocs.org/sdr/99ZZZX1070.md): Breaker Assy · defective · Feb 1, 1999 · N5340E · Beech K35 · Magneto/Distributor > DURING PERFORMANCE OF 100-HOUR INSPECTION, LT POSITION MAGNETO, BENDIX (TCM) PN 10-79020-10, RE-MANUFACTURED BY AIRBORNE ELECTROSYSTEMS, INC., AND INSTALLED AT ENGINE OVERHAUL BY CRS 764-88 IN MARCH 1984. TT 1,228.8 BREAKER ASSY PN ES10-357174 CHANGED WHEN SU - [SDR 97ZZZX3988](https://openairdocs.org/sdr/97ZZZX3988.md): Oil Valve · corroded · Aug 25, 1997 · N16HH · Amtr SKYBOLT · Reciprocating Engine Oil System > DURING FLIGHT, OIL PRESS WAS INDICATING LOW (10-30 PSI) AND ERRATIC. AFTER LANDING, DURING TAXI, OIL PRESS INDICATION WAS 0-10 PSI. PRESS XMITTER REMOVED AND A DIRECT READING GAUGE CONFIRMED THAT ON-BOARD INDICATIONS WERE CORRECT. PRESS REGULATOR AND BYPASS - [SDR 97ZZZX2020](https://openairdocs.org/sdr/97ZZZX2020.md): Cam Assy · rivet failed · Apr 1, 1997 · N5008 · Beech K35 · Magneto/Distributor > DURING ACCOMPLISHING SB MSB645, NR 639, AND AD 96-12-07, FOUND MAG SNAP RING CAM ASSY HAD RIVET FAILURE. - [SDR 97ZZZX1313](https://openairdocs.org/sdr/97ZZZX1313.md): Engine · low pressure · Feb 26, 1997 · Reciprocating Engine Oil System > AT ANNUAL INSPECTION, ENGINE OIL PRESSURE WAS BELOW SPECIFIED LIMITS. CAUSE UNKNOWN. - [SDR 96ZZZX5803](https://openairdocs.org/sdr/96ZZZX5803.md): Tube · broken · Oct 18, 1996 · N192AA · Beech K35 · Reciprocating Engine Oil System > DISASSEMBLING ENG FOR OVERHAUL FOUND THE OIL SUCTION TUBE WAS BROKEN IN 2 PLACES. TUBE WAS BROKE OFF FROM SCREEN AND ONE OF THE ATTACHING ANGLES WAS BROKEN BY BOLT HOLE. TT ENG 4306.44. SMOH 1448.84. - [SDR AU960230](https://openairdocs.org/sdr/AU960230.md): Support · failed · Feb 22, 1996 · Beech M35 · Propeller Spinner Section > (AUS) PROPELLER SPINNER SUPPORT FAILED - SPINNER BULKHEAD CRACKED - THIS IS THE SECOND SIMILAR OCCURRENCE ON THIS AIRCRAFT (LAST TIMEIN AUGUST 1992) - SUSPECT CAUSED COMBINATION OF OUT OF BALANCE PROPELLER AND LOSS OF PRELOAD DUE TO EXCESSIVE HOURS BETWEEN IN - [SDR 95ZZZX3034](https://openairdocs.org/sdr/95ZZZX3034.md): Adapter Assy · worn · Jun 7, 1995 · N8378D · Beech J35 · Reciprocating Engine Oil System > DURING CRUISE FLIGHT, THE ENGINE BEGAN TO LOSE OIL PRESSURE. THE PILOT DECLARED AN EMERGENCY AND LANDED IN A FIELD WITH MINIMAL DAMAGE. THE ENGINE HAD BEEN EQUIPPED WITH FULL FLOW OIL FILTER KIT INSTALLED UNDER STC 3262 WE. THE THREADS ON THE ADAPTER ASSEMB - [SDR 95ZZZX2379](https://openairdocs.org/sdr/95ZZZX2379.md): Crankshaft · corroded · Apr 27, 1995 · N8330D · Beech J35 · Reciprocating Engine Power Section > REMOVED PROPELLER TO REPLACE CRANKSHAFT SEAL. FOUND CRANKSHAFT FLANGE SEVERELY CORRODED. REMOVED ENGINE FROM SERVICE FOR CRANKSHAFT REPLACEMENT. ENGINE HAD BEEN OVERHAULED BY AN 'IA' JUST 75 HOURS AND 3 YEARS PREVIOUS TO THIS DISCOVERY. SUBMITTER BELIEVES ## 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 = 'IO470C' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/continental-io-470-c/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.