# Service difficulty reports: Weatherly 620B A list on [Weatherly 620B](https://openairdocs.org/model/weatherly-620b.md). Newest first. General aviation reporting is voluntary. - [SDR CA150527006](https://openairdocs.org/sdr/CA150527006.md): Control Cable · frayed · May 22, 2015 · Wthrly 620B · Rudder Control System > (CAN) DURING ITS ANNUAL INSPECTION, THE LT RUDDER CABLE ASSEMBLY WAS FOUND WORN & FRAYED ON THE AFT PULLEY. THE RT RUDDER CABLE WAS FOUND TO BE WORN OUT & FRAYED AS WELL. CABLES REMOVED & TO BE REPLACED WITH NEW UNITS. BOTH LT & RT RUDDER CABLE ASSEMBLIES A - [SDR CA141015007](https://openairdocs.org/sdr/CA141015007.md): Attach Angle · loose · Oct 15, 2014 · Wthrly 620B · Elevator Tab, Attach Fittings > (CAN) WHILE CARRYING OUT AN ANNUAL INSPECTION, ALL RIVETS THOUGH THE HORIZONTAL STABILIZER ATTACH ANGLES (LONGERONS) AND DIRECTLY ADJACENT TO ALL FOUR STABILIZER ATTACH BLOCKS, WERE FOUND TO BE LOOSE AND SMOKING. - [SDR CA141015006](https://openairdocs.org/sdr/CA141015006.md): Rib · cracked · Oct 15, 2014 · Wthrly 620B · Wing, Rib/Bulkhead > (CAN) ANNUAL INSPECTION REVEALED CRACKS IN THE MAJORITY OF BOTH THE LH AND RH WING LEADING EDGE NOSE RIBS, CRACKS EMANATE FROM THE AFT PORTION OF THE UPPER AND LOWER FLANGES OF THE RIBS. - [SDR CA100730007](https://openairdocs.org/sdr/CA100730007.md): Blade · separated · Jul 30, 2010 · Wthrly 620B · Propeller Blade Section > PROPELLER RECEIVED FROM CUSTOMER WITH APPROX 5" OF BLADE MISSING FROM NR2 BLADE TIP (S/N H89522). PROPELLER DISMANTLED, CLEANED, CLAMPS AND HUB SPIDER MPI INSPECTED, BLADES LPI INSPECTED (IAW MFG), ALL BEARINGS REPLACED DUE TO CORROSION AND DENTING, BLADE REP - [SDR 2010FA0000208](https://openairdocs.org/sdr/2010FA0000208.md): Rib · cracked · Feb 8, 2010 · N9024F · Wthrly 620B · Wing, Rib/Bulkhead > MOST L/E RIBS CRACKED AT UPPER AND LOWER AFT CORNERS WHERE ATTACHED TO FWD HINGED HALF. 50 PERCENT TO LT WING RIBS WERE CRACKED AS WERE 90 PERCENT OF RT WING RIBS. THESE RIBS REQUIRED REPAIR AND REINFORCEMENT. OTHER ACFT MAY REQUIRE SIMILAR ACTION. - [SDR HNJ2008F00000](https://openairdocs.org/sdr/HNJ2008F00000.md): Spar · cracked · Feb 4, 2008 · N9024F · Wthrly 620B · Ailerons > LT AILERON SPAR CRACKED AT CENTER AND OB HINGE BRACKET ATTACH POINTS. POSSIBLY DUE TO TWISTING EFFECT OF AILERON ACTUATOR INSTALLED AT EXTREME IB END OF AILERON. (K) - [SDR 2005FA0000782](https://openairdocs.org/sdr/2005FA0000782.md): Cylinder Head · separated · May 11, 2005 · N9026F · Wthrly 620B · Reciprocating Engine Cylinder Section > DURING SPRAYING OPERATION, THE AIRCRAFT WAS CLIMBING INTO A RT TURN. THE PILOT HEARD A LOUD BANG, AND THE ENGINE BEGAN RUNNING EXTREMELY ROUGH. THE AIRCRAFT MADE A FORCED LANDING. INSPECTION OF THE ENGINE FOUND THE NR 2 CYLINDER HEAD SEPARATED FROM THE SLEE - [SDR 2002FA0000423](https://openairdocs.org/sdr/2002FA0000423.md): Bulkhead · cracked · Mar 25, 2002 · N90275 · Wthrly 620B · Fuselage Main, Bulkhead > DURING ANNUAL INSPECTION FOUND FUSELAGE BELLY PAN BULKHEAD (PN 50351-101) CRACKED UPPER LEFT AND RIGHT CORNER. THIS AREA IS HARD TO SEE WITHOUT FLASHLIGHT AND MIRROR. ALSO FOUND TAIL CONE BULKHEADS (PN 50351-105) AND (PN 50351-133) CRACKED AND TABS WHERE BU - [SDR 2002FA0000422](https://openairdocs.org/sdr/2002FA0000422.md): Bulkhead · cracked · Mar 25, 2002 · N90275 · Wthrly 620B · Fuselage Main, Bulkhead > DURING ANNUAL INSPECTION FOUND FUSELAGE BELLY PAN BULKHEAD (PN 50351-101) CRACKED UPPER LEFT AND RIGHT CORNER. THIS AREA IS HARD TO SEE WITHOUT FLASHLIGHT AND MIRROR. ALSO FOUND TAIL CONE BULKHEADS (PN 50351-105) AND (PN 50351-133) CRACKED AND TABS WHERE BUL - [SDR 2002FA0000421](https://openairdocs.org/sdr/2002FA0000421.md): Bulkhead · cracked · Mar 25, 2002 · N90275 · Wthrly 620B · Fuselage Main, Bulkhead > DURING ANNUAL INSPECTION FOUND FUSELAGE BELLY PAN BULKHEAD (PN 50351-101) CRACKED UPPER LEFT AND RIGHT CORNER. THIS AREA IS HARD TO SEE WITHOUT FLASHLIGHT AND MIRROR. ALSO FOUND TAIL CONE BULKHEADS (PN 50351-105) AND (PN 50351-133) CRACKED AND TABS WHERE BUL - [SDR TYW2002F00000](https://openairdocs.org/sdr/TYW2002F00000.md): Blade · failed · Feb 7, 2002 · N90275 · Wthrly 620B · Propeller Blade Section > 11 INCHES SEPRATED FROM ONE PROPELLER BLADE DURING FLIGHT. AIRCRAFT WAS SPRAYING A CROP AND WAS IN A TURN WHEN BLADE TIP SEPARATED. - [SDR 2001FA0000255](https://openairdocs.org/sdr/2001FA0000255.md): Valve Spring · broken · Jul 25, 2001 · N2035N · Wthrly 620B · Reciprocating Engine Cylinder Section > ENGINE BEGAN BACKFIRING AND POWER DECREASED, AIRCRAFT LANDED AS A RESULT OF RUNNING THROUGH A FENCE. FOUND NR 1 CYLINDER INTAKE VALVE SPRINGS BROKEN. REPLACED SPRINGS, OPERATION NORMAL. APPEARED TO BE SMALL RUST PITS IN BREAK AREAS. - [SDR AU001056](https://openairdocs.org/sdr/AU001056.md): Piston · wrong part · Oct 24, 2000 · Wthrly 620B · Reciprocating Engine Cylinder Section > (AUS) INCORRECT PISTONS FITTED TO NR 4 AND NR 7 CYLINDERS. THE PISTONS WERE UNDRILLED AND ARE ONLY USED IN NR 5 AND NR 6 CYLINDERS. THE ENGINE HAD BEEN OVERHAULED IN THEUSA. UNAPPROVED PART. (X) - [SDR 20000925SH021](https://openairdocs.org/sdr/20000925SH021.md): Screw · loose · Sep 25, 2000 · N90303 · Wthrly 620B · Fuel Control/Reciprocating Engines > CARBURETOR FLOAT FULCRUM SCREW WAS FOUND LOOSE ON ANNUAL INSPECTION. BRASS THREADS WERE FOUND WORN. REPLACED FULCRUM SCREW, PROPERLY INSTALLED NEW SCREW AND SAFTIED. BELIEVE SCREW WAS NOT PROPERLY INSTALLED BY MANUFACTURER. SUBMITTER RECOMMENDED AN AD OR S - [SDR 20000925SH023](https://openairdocs.org/sdr/20000925SH023.md): Screw · loose · Sep 1, 1999 · N9025D · Wthrly 620B · Fuel Control/Reciprocating Engines > CARBURETOR FLOAT FULCRUM SCREW VIBRATED LOOSE CAUSING FLOAT TO STICK. AIRCRAFT ENGINE BEGAN RUNNING ROUGH. AIRCRAFT SUCCESSFULLY RETURNED TO FIELD. FULCRUM SCREW BRASS THREADS WERE FOUND WORN CAUSING SCREW3 TO COME LOOSE. AIRCRAFT WAS NEW ON 12-6-96 AND NO - [SDR 20000925SH022](https://openairdocs.org/sdr/20000925SH022.md): Screw · loose · Aug 8, 1999 · N197SK · Wthrly 620B · Fuel Control/Reciprocating Engines > CARBURETOR FLOAT FULCRUM SCREW SAFETY WIRE VIBRATED THROUGH BACKING OUT FULCRUM SCREW FOR FLOAT. ENGINE QUIT RUNNING CAUSING FORCED LANDING. AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. FULCRUM SHOWED CHATTER MARKS INDICATING FULCRUM SCREW WAS NOT PROPERLY SEATED ## 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 = '620B' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/weatherly-620b/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.