# Service difficulty reports: Aeronca 7EC A list on [Aeronca 7EC](https://openairdocs.org/model/aeronca-7ec.md). Newest first. General aviation reporting is voluntary. - [SDR 2020FA0000374](https://openairdocs.org/sdr/2020FA0000374.md): Exhaust Valve · stuck · Aug 17, 2020 · N9891B · Bbavia 7EC · Reciprocating Engine Cylinder Section > ON JULY 14, 2020 12:15 CDT N9891B A CHAMPION 7EC LOST POWER TO THE ENGINE, AND LANDED IN A FIELD NEAR PORT O'CONNER, TX. THE AIRCRAFT MAIN LANDING COLLAPSED AND THE ENGINE WAS PARTIALLY TORN FROM THE ENGINE MOUNT. THE BROKEN CARBURATOR BEGAN LEAKING FUEL WHI - [SDR 2011FA0000164](https://openairdocs.org/sdr/2011FA0000164.md): Spinner · loose · Mar 10, 2011 · N93AC · Bbavia 7EC · Propeller Spinner Section > SKULL CAP SPINNER BECAME LOOSE AND DEPARTED THE ACFT. EVIDENCE OF THE SPINNER ABRADING THE.041 SS SAFETY WIRE AT THE HEAD OF THE RETAINING BOLTS WAS EVIDENT. TORQUE ON THE WOODEN PROPELLER BOLTS HAD NOT BEEN CHECKED FOR PROPER TORQUE SINCE NEW. SINCE THE S - [SDR FAA010208003](https://openairdocs.org/sdr/FAA010208003.md): Valve · damaged · Dec 19, 2007 · N274AC · Bbavia 7EC · Reciprocating Engine Oil System > INSTALLED OIL QUICK DRAIN VALVE PN SG250 ON NEW AIRCRAFT/ ENGINE. AIRCRAFT FLEW APPROX 1 HOUR. OIL LEAK NOTICED FROM DRAIN VALVE. REMOVED VALVE TO FIND VALVE SNAP RING IN OIL DRAINED FROM ENGINE AND VALVE O-RING DAMAGED. ONE CUT THROUGH AND THE OTHER NICKE - [SDR 2007FA0001011](https://openairdocs.org/sdr/2007FA0001011.md): Drain · leaking · Oct 25, 2007 · N274AC · Bbavia 7EC · Reciprocating Engine Oil System > INSTALLED QUICK DRAIN VALVE (OIL) ON NEW AIRCRAFT/ ENGINE. AIRCRAFT FLEW APPROX 1 HR, INITIAL FLIGHT TEST. VERY MINUTE OIL LEAK WAS NOTED FROM OIL QUICK DRAIN VALVE. REMOVED VALVE TO FIND VALVE SNAP RING IN OIL DRAINED FROM ENGINE, ALSO FOUND O-RING SPLIT. - [SDR 2006FA0000819](https://openairdocs.org/sdr/2006FA0000819.md): Exhaust Valve · broken · Jul 9, 2006 · N4715E · Bbavia 7EC · Reciprocating Engine Cylinder Section > WHEN THE NR 4 CYLINDER WAS REMOVED, THE EXHAUST VALVE HEAD WAS FOUND TO BE BROKEN OFF, ABOUT.5 INCH FROM THE FACE OF THE VALVE, CAUSING FAILURE OF THE PISTON AND FAILURE OF THE INTAKE VALVE. THE CIRCUMSTANCES OF THE FAILURE CAUSED A LOSS OF ENGINE POWER AND - [SDR AUS20040105](https://openairdocs.org/sdr/AUS20040105.md): Spar · cracked · Jan 22, 2004 · Bbavia 7EC · Wing Spar > (AUS) RT WING FRONT AND REAR SPARS CRACKED. CRACKS APPEAR TO ALIGN WITH THE ATTACHMENT FITTING BOLT HOLES. SPARS ARE CONSTRUCTED FROM TIMBER. FOUND DURING INSPECTION IAW AD/CHA/23 AMDT4. - [SDR CA020722013](https://openairdocs.org/sdr/CA020722013.md): Spar · cracked · Jun 30, 2002 · Bbavia 7EC · Wing Spar > (CAN) ALL 4 SPARS REPLACED DUE TO SMALL CRACKS AT NAIL HOLES, EDGE OF PLYWOOD REINFORCING AS A PRECAUTIONARY MEASURE. NO LARGE CRACKS FOUND.4 NEW METAL SPARS INSTALLED. - [SDR 474](https://openairdocs.org/sdr/474.md): Spar · cracked · Apr 24, 2002 · N4351C · Bbavia 7EC · Wing Spar > C/W AD 00-25-02R1 FOUND CRACK AT BUTT OF MAIN SPAR JUST UNDER ATTACH FITTING TO FUSELAGE ON R/H WING TRAVELING SEVERAL INCHES LONGITUDINALLY AND PARALLEL- SEVERAL RIB NAILS LOOSE ON BOTH WINGS- AIRCRAFT HANGARED FOR SEVERAL YEARS (20)VERY LOW USEAGE- CAUSE UNK - [SDR 2002FA0000637](https://openairdocs.org/sdr/2002FA0000637.md): Spar · cracked · Apr 22, 2002 · N4351C · Bbavia 7EC · Wing Spar > IN COMPLYING WITH AD, FOUND CRACK AT BUTT OF MAIN SPAR JUST UNDER ATTACH FITTING TO FUSELAGE ON RIGHT WING TRAVELING SEVERAL INCHES LONGITUDINALLY. SEVERAL RIB NAILS LOOSE ON BOTH WINGS. AIRCRAFT HANGARED-CAUSE UNKNOWN, (HOURS ON WINGS 5000 TO 6000), REPAIR - [SDR 2002FA0000254](https://openairdocs.org/sdr/2002FA0000254.md): Spar · cracked · Feb 22, 2002 · N70824 · Bbavia 7EC · Wing Spar > DURING THIS ANNUAL INSPECTION FOUND COMPRESSION CRACKS ON THE RIGHT WING REAR SPAR AT TOP LOCATION ON TOP SIDE OF SPAR. THIS COMPRESSION CRACK WAS HIDDEN UNDER OLD SPAR VARNISH AND WOULD HAVE BEEN MISSED IF TOP INSPECTION HOLES WERE NOT INSTALLED ALSO MANY OT - [SDR 2002FA0000258](https://openairdocs.org/sdr/2002FA0000258.md): Spar · cracked · Jul 18, 2001 · N9898B · Bbavia 7EC · Wing Spar > WING SPAR, CRACK VISIBLE MIDWAY FROM TOP TO BOTTOM OF NIGHT WING FRONT SPAR FROM 44 INCHES INBOARD ALONG SPAR TO APPROXIMATELY 1130 INCHES FORM INBOARD. WOOD APPEARS TO BE IN GOOD CONDITION OTHERWISE. DEFECT DISCOVERED DURING SPAR INSPECTION IN COMPLIANCE WI - [SDR 2001FA0000339](https://openairdocs.org/sdr/2001FA0000339.md): Lead · severed · Jul 12, 2001 · N4392C · Bbavia 7EC · Emergency Locator Beacon > NEGATIVE LEAD FROM LOWER BATTERY COMPARTMENT TO TRANSMITTER WAS SEVERED DUE TO CORROSION. LOWER AND UPPER BATTERY. CONTACTS WERE CORRODED AND PLATING HAD FLAKED OFF. ONE OF THE EIGHT DURACELL BATTERIES WAS DEAD BUT NO CORROSION ON IT AND HAD NO BATTERY LEAK - [SDR 20010509CW009](https://openairdocs.org/sdr/20010509CW009.md): Spar · cracked · Apr 13, 2001 · N62667 · Bbavia 7EC · Wing Spar > IN RECOVERING AIRFRAME, FOUND CRACK IN RIGHT WING REAR SPAR. AIRCRAFT WRECKED IN A NOSE OVER. NO LOG RECORD OF REPAIR TO REAR SPAR. - [SDR 20010326CW005](https://openairdocs.org/sdr/20010326CW005.md): Spar · cracked · Mar 26, 2001 · N70824 · Bbavia 7EC · Wing Spar > DURING ANNUAL INSPECTION, FOUND COMPRESSION CRACKS ON THE RIGHT WING REAR SPAR AT TOP LOCATION ON TOP SIDE OF SPAR. THIS COMPRESSION CRACK WAS HIDDEN UNDER OLD SPAR VARNISH AND WOULD HAVE BEEN MISSED IF TOP INSPECTION HOLES WERE NOT INSTALLED. - [SDR CA000412007](https://openairdocs.org/sdr/CA000412007.md): Control Cable · frayed · Apr 5, 2000 · Bbavia 7EC · Landing Gear Brake System > (CAN) DURING INSPECTION, NOTICED THAT THE LT AND RT BRAKE CABLES WERE BADLY FRAYED WHERE THEY PASS THROUGH THE LOWER FAIRLEADS (P/N 1-2259) ON THE AXLE STRUTS. FURTHER INSPECTION, REVEALED FRAYING OF THE CABLE BACK INSIDE THE SHEATHING UNDER THE BOOT COWL. - [SDR 95ZZZX6920](https://openairdocs.org/sdr/95ZZZX6920.md): Attach Lug · failed · Nov 25, 1995 · N7433B · Bbavia 7EC · Main Landing Gear Attach Section > LANDING GEAR ATTACHMENT POINT LUGS WERE WORN TO THE POINT OF FAILURE. THE BOLT HOLES WERE ELONGATED. THE RIGHT FORWARD LUG CRACKED AT THE BOLT HOLE. THE LANDING GEAR FOLDED ON LANDING. THE PILOT REPORTED A DIFFERENT PILOT HAD DONE A 'WHEELS ON' LANDING ON ## 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 aircraft_model_key = '7EC' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/aeronca-7ec/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.