# Service difficulty reports: N861AF, cancelled Apr 14, 2026 A list on [N861AF, cancelled Apr 14, 2026](https://openairdocs.org/deregistered/N861AF-2026-04-14.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 2010FA0000851](https://openairdocs.org/sdr/2010FA0000851.md): Control Cable · broken · Aug 20, 2010 · N861AF · Grob G120A · Mixture Control > PILOT REPORTED DURING GROUND OPERATION HE EXPERIENCED A TOTAL LOSS OF MIXTURE CONTROL. INVESTIGATION MIXTURE CONTROL CABLE HAD BROKEN AT THE CONTROL IN THE CABIN. PROBABLE CAUSE UNKNOWN. RECOMMEND ENGINE CONTROL CABLES BE REPLACED AT ENGINE CHANGE (1800 HRS - [SDR 2010FA0000028](https://openairdocs.org/sdr/2010FA0000028.md): Throttle Cable · broken · Dec 3, 2009 · N861AF · Grob G120A · Power Lever > PILOT REPORTED DURING LANDING, THROTTLE WAS NOT GOING FULLY TO IDLE THEN SUDDENLY SOMETHING BROKE AND ENGINE WENT TO FULL POWER. AFTER FURTHER INVESTIGATION FOUND THROTTLE CABLE BROKEN WHERE IT COMES THRU THE FIREWALL. PROBABLE CAUSE UNKNOWN, NO RECOMMENDATI - [SDR 2005FA0000799](https://openairdocs.org/sdr/2005FA0000799.md): Plate · debonded · May 13, 2005 · N861AF · Grob G120A · Rudder, Spar/Rib > DURING ROUTINE INSPECTION OF AIRCRAFT, TECH FOUND EXCESSIVE MOVEMENT BETWEEN RUDDER AND RUDDER LEVER ASSY. FURTHER INSPECTION SHOWED DISBONDING BETWEEN THE RUDDER SPAR AND THE RUDDER LEVER ASSY SPACER PLATE. PROBABLE CAUSE APPEARS TO BE EXCESSIVE FLEXING OF - [SDR 2005FA0000603](https://openairdocs.org/sdr/2005FA0000603.md): Pump · malfunctioned · Apr 14, 2005 · N861AF · Grob G120A · Engine Fuel Pump > PILOT REPORTED THAT IDLE RPM WAS TOO HIGH, 850 RPM. WHILE TECH WAS TRYING TO ADJUST IDLE, FOUND THAT THE FUEL PRESSURE WAS LOW - 16 PSI AND UNABLE TO ADJUST. REPLACEMENT OF ENGINE DRIVEN FUEL PUMP WAS REQUIRED. RECOM TO ADD A METHOD PLUS DATA FOR MAKING ADJ - [SDR 2003FA0001036](https://openairdocs.org/sdr/2003FA0001036.md): Lever · binding · Sep 29, 2003 · N861AF · Grob G120A · Aileron Control System > DURING FLEET WIDE INSPECTION, FOUND BEARINGS IN AILERON LEVER 2 ASSY. PN 120A4242 TO BE DAMAGED AND BINDING. DAMAGE APPEARS TO BE CAUSED BY THE BUSHING PN 120A4435.02 IN THE FORK ENDS PN 120A4435.01. IT APPEARS THAT DESIGN LIMITATIONS OF THE FLIGHT CONTROL S - [SDR VJ32003F00028](https://openairdocs.org/sdr/VJ32003F00028.md): Bracket · cracked · Jul 30, 2003 · N861AF · Grob G120A · DC Generator-Alternator > DURING ROUTINE INSPECTION, FOUND THE ALTERNATOR MAOUNTING BRACKET CRACKED. SUSPECT VIBRATION CAUSED CRACK. RECOMMEND GUSSETS BE WELDED INTO RADIUS OF BRACKET OR CHANGE IN MATERIAL/MANUFACTURING PROCESS. - [SDR 2003FA0000715](https://openairdocs.org/sdr/2003FA0000715.md): Hinge · failed · Jul 8, 2003 · N861AF · Grob G120A · Ailerons > DURING 50 HR INSPECTION THE TECH FOUND THE RETAINING CLIP COMING OUT OF BEARING. - [SDR 2003FA0000542](https://openairdocs.org/sdr/2003FA0000542.md): Bearing · failed · May 12, 2003 · N861AF · Grob G120A · Aileron Control System > DURING INSPECTION OF AIRCRAFT, FOUND BEARING TO BE FAILING. RETAINING CLIP AND SEAL WERE BEING FORCED OUT OF BEARING. PROBABLE CAUSE IS A DESIGN FLAW IN CONTROL SYSTEM WHICH ALLOWS THE CONTROL ROD DEFLECTION TO EXCEED THE DESIGN LIMIT OF THE BEARING. RECOMM - [SDR 2003FA0000538](https://openairdocs.org/sdr/2003FA0000538.md): Bearing · failed · May 12, 2003 · N861AF · Grob G120A · Aileron Control System > DURING INSPECTION OF AIRCRAFT, FOUND BEARING TO BE FAILING. RETAINING CLIP AND SEAL WERE BEING FORCED OUT OF BEARING. PROBABLE CAUSE IS A DESIGN FLAW IN THE CONTROL SYSTEM WHICH ALLOWS THE CONTROL ROD DEFLECTION TO EXCEED THE DESIGN LIMIT OF THE BEARING. RE - [SDR 2003FA0000534](https://openairdocs.org/sdr/2003FA0000534.md): Bearing · failed · May 12, 2003 · N861AF · Grob G120A · Aileron Control System > DURING INSPECTION OF AIRCRAFT, FOUND BEARING TO BE FAILING. RETAINING CLIP AND SEAL WERE BEING FORCED OUT OF BEARING. PROBABLE CAUSE IS A DESIGN FLAW IN THE CONTROL ROD DEFLECTION TO EXCEED THE DESIGN LIMIT OF THE BEARING. RECOMMEND DESIGN CHANGE OR REPLACE - [SDR 2003FA0000347](https://openairdocs.org/sdr/2003FA0000347.md): Selector Valve · failed · Mar 18, 2003 · N861AF · Grob G120A · Fuel Selector/Shut-Off Valve > DURING A PROGRESSIVE INSPECTION, TECH FOUND THE FUEL SELECTOR VALVE LOOSE AND HARD TO TURN. PROBABLE CAUSE IS INTERNAL FAILURE. - [SDR VJ32003F00008](https://openairdocs.org/sdr/VJ32003F00008.md): Motor · failed · Dec 9, 2002 · N861AF · Grob G120A · Hydraulic Pump (Electric/Engine), Main > DURING PROGRESSIVE INSPECTION AFTER BLOWING GEAR DOWN AND CYCLING GEAR MOTOR WINDING SMELLED AS BURNED OUT. GEAR WOULD NOT CYCLED AFTER THAT, AND WOULD POP CIRCUIT BREAKER TO THE HYD PUMP RCCB. MOTOR ACTED AS IF THE LOAD WAS TOO HEAVY FOR THE MOTOR TO PRODUC - [SDR VJ32003F00005](https://openairdocs.org/sdr/VJ32003F00005.md): Shock Mount · damaged · Dec 4, 2002 · N861AF · Grob G120A · Engine Mount Section > DURING PROGRESSIVE INSPECTION OF ENGINE BAY FOUND LOWER LT MOUNT DAMAGED FROM HEAT OF EXHAUST SYSTEM. SUGGEST INSTALLING SOME TYPE OF HEAT SHIELDING OR CHANGING MOUNT TO A MORE HEAT RESISTANT STYLE. - [SDR VJ32002F00062](https://openairdocs.org/sdr/VJ32002F00062.md): Clamp · cracked · Aug 16, 2002 · N861AF · Grob G120A · Engine Exhaust System > DURING PROGRESSIVE INSPECTION FOUND CLAMP CRACKED AND ROLL RIVET SHEARED OFF. PROBABLE CAUSE IS ENGINE VIBRATION. - [SDR VJ32002F00059](https://openairdocs.org/sdr/VJ32002F00059.md): Baffle · cracked · Aug 5, 2002 · N861AF · Grob G120A · Reciprocating Engine Cylinder Section > ENGINE BAFFLE CRACKED ON NUMBER 3 CYLINDER FROM NORMAL ENGINE VIBRATION. - [SDR 2002FA0000718](https://openairdocs.org/sdr/2002FA0000718.md): Muffler · cracked · Jun 5, 2002 · N861AF · Grob G120A · Engine Noise Suppressor > TAIL PIPE SUPPORT BRACKET CRACKED AT WELD. REMOVED MUFFLER AND INSTALLED NEW MUFFLER ASSEMBLY. PART SENT IN FOR WARRANTY. - [SDR 2002FA0000714](https://openairdocs.org/sdr/2002FA0000714.md): Baffle · cracked · Jun 4, 2002 · N861AF · Grob G120A · Engine Noise Suppressor > ENGINE BAFFLE CRACKED ON NUMBER 3 CYLINDER. PART REMOVED AND NEW BAFFLE INSTALLED. PART SENT IN FOR WARRANTY. - [SDR 2002FA0000712](https://openairdocs.org/sdr/2002FA0000712.md): Baffle · cracked · Jun 4, 2002 · N861AF · Grob G120A · Engine Noise Suppressor > ENGINE BAFFLE CRACKED ON NUMBER 1 CYLINDER. PART REMOVED AND NEW BAFFLE INSTALLED. - [SDR VJ32002F00042](https://openairdocs.org/sdr/VJ32002F00042.md): Pump · burned out · May 15, 2002 · N861AF · Grob G120A · Hydraulic Pump (Electric/Engine), Main > LANDING GEAR FAILED, WHEN THE GEAR WAS SELECTED TO THE UP POSITION AFTER TAKE OFF. THE GEAR WAS LOWER AND A SAFE LANDING WAS MADE. INSPECTION OF THE GEAR SYSTEM FOUND THAT THE MOTOR ON THE HYDRAULIC PUMP BURNED OUT. PUMP ASSEMBLY WAS REMOVED AND A NEW PUMP - [SDR 2002FA0000478](https://openairdocs.org/sdr/2002FA0000478.md): Pump · damaged · Apr 1, 2002 · N861AF · Grob G102ASTIR · Pneumatic System > METAL SHAFT SHEARED IN PUMP. REMOVED AND INSTALLED NEW PUMP, SYSTEM OPERATIONAL CHECKED NORMAL. PUMP SENT IN FOR WARRANTY. - [SDR 2002FA0000477](https://openairdocs.org/sdr/2002FA0000477.md): Pin · broken · Apr 1, 2002 · N861AF · Grob G102ASTIR · Independent Instruments > LEFT HAND STOP PIN BROKEN OFF, REMOVED AND INSTALLED NEW CLOCK. PART SENT IN FOR WARRANTY. ## 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 n_number = 'N861AF' AND deregistration_id = 'N861AF-2026-04-14' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N861AF-2026-04-14/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.