# Service difficulty reports: N514NC A list on [N514NC](https://openairdocs.org/aircraft/N514NC.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR HYIA20241018001](https://openairdocs.org/sdr/HYIA20241018001.md): Fitting · corroded · Oct 18, 2024 · N514NC · Cessna 402C · Wing, Attach Fittings > DURING MAINTENANCE 3 SPOTS OF CORROSION WERE VISUALLY IDENTIFIED ON THE OUTBOARD LEFT UPPER AFT WING FITTING (OEM PN: 0822550-45). ALL THREE SPOTS ARE LOCATED ON THE LOWER SURFACE OF THE HORIZONTAL FLANGE OF THIS FITTING, AND ARE CONSISTENT WITH OTHER CORROSIO - [SDR HYIA20210512001](https://openairdocs.org/sdr/HYIA20210512001.md): Crossbeam · cracked · May 11, 2021 · N514NC · Cessna 402C · Nacelle/Pylon, Main Frame > DURING INSPECTION A CRACK WAS VISUALLY DISCOVERED ON THE INBOARD END OF THE LOWER CHANNEL OF THE RIGHT HAND CROSSOVER BEAM. THIS CRACK IS IN THE AREA OF THE MOUNTING HOLES FOR THE INBOARD EXHAUST ELBOW CLAMP BRACKET, AND MEASURES APPROXIMATELY 2 INCHES LONG AN - [SDR HYIA20200508001](https://openairdocs.org/sdr/HYIA20200508001.md): Connecting Rod · damaged · May 6, 2020 · N514NC · Cessna 402C · Reciprocating Engine Cylinder Section > DURING ROUTINE INSPECTION AND REPLACEMENT OF THE RIGHT ENGINE CYLINDER #3 IT WAS DISCOVERED THAT THE CONNECTING ROD BUSHING OF THE #3 CYLINDER WAS FOUND TO BE DAMAGED AND LOOSE. THE CONNECTING ROD AND CYLINDER WILL BE REPLACED. - [SDR HYIA20190117001](https://openairdocs.org/sdr/HYIA20190117001.md): Beam · cracked · Jan 16, 2019 · N514NC · Cessna 402C · Nacelle/Pylon, Main Frame > DURING MAINTENANCE A CRACK WAS DISCOVERED ON THE RIGHT NACELLE INBOARD CROSSOVER BEAM SUPPORT CHANNEL P/N: 5654102-15. AFTER REMOVING THIS CHANNEL IT WAS DISCOVERED THAT THE RIGHT HAND INBOARD BEAM, P/N: 5654109-7 WAS CRACKED UNDERNEATH THE SUPPORT CHANNEL. TH - [SDR HYIA20180926001](https://openairdocs.org/sdr/HYIA20180926001.md): Engine · making metal · Sep 24, 2018 · N514NC · Cessna 402C · Engine (Reciprocating) > PILOT REPORTED RIGHT ENGINE OIL PRESSURE DROPPED TO 20 PSI IN FLIGHT AND TO ZERO PSI AT IDLE ON THE GROUND. MAINTENANCE INSPECTED AND FOUND METAL PARTICLES AT THE OIL PRESSURE RELIEF VALVE, FURTHER INSPECTION FOUND THE STARTER ADAPTER NEEDLE BEARING DAMAGED. T - [SDR HYIA20170821001](https://openairdocs.org/sdr/HYIA20170821001.md): Rib · cracked · May 9, 2017 · N514NC · Cessna 402C · Wing Structure > DURING A ROUTINE INSPECTION, A CRACK WAS LOCATED AT RIB RT WS. 106.79. THE CRACK WAS 1.5 INCHES IN LENGTH, REPLACED THE RIB IAW MM. - [SDR HYIA20170828017](https://openairdocs.org/sdr/HYIA20170828017.md): Fitting · cracked · Jan 4, 2017 · N514NC · Cessna 402C · Nacelle/Pylon, Attach Fittings > DURING A ROUTINE INSPECTION, TWO CRACKS WERE FOUND IN THE RT OUTBOARD NACELLE FITTING. THESE CRACKS WERE FOUND ON THE INBOARD SIDE OF THE FITTING, JUST FORWARD OF THE SPAR STRAP. THEY MEASURED.119 AND.146 IN LENGTH. - [SDR HYIA20160913157](https://openairdocs.org/sdr/HYIA20160913157.md): Exhaust Valve · damaged · Sep 27, 2016 · N514NC · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160913156](https://openairdocs.org/sdr/HYIA20160913156.md): Exhaust Valve · damaged · Sep 27, 2016 · N514NC · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160913155](https://openairdocs.org/sdr/HYIA20160913155.md): Exhaust Valve · damaged · Sep 27, 2016 · N514NC · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160205002](https://openairdocs.org/sdr/HYIA20160205002.md): Alternator · failed · Feb 3, 2016 · N514NC · Cessna 402C · DC Generator-Alternator > PILOT REPORTED LOSING BOTH ALTERNATORS IN FLIGHT AFTER A MODERATE JOLT OF TURBULENCE, RETURNED WHEN THEY COULD ONLY RESET ONE ALTERNATOR BY FOLLOWING THE QRH PROCEDURE OF REPLACING FIELD FUSES. INSPECTED & REPAIRED SHORTED F1 WIRE IN RT NACELLE, AS WELL AS RE - [SDR HYIA20150227002](https://openairdocs.org/sdr/HYIA20150227002.md): Warning System · false activation · Feb 26, 2015 · N514NC · Cessna 402C · Door Warning System > PILOT REPORTED CABIN DOOR OPEN ON TAKEOFF. INSP THE MAIN CABIN DOOR TOP & BOTTOM WITH NO DISCREPANCY NOTED. REPLACED WORN SPRING ON THE OUTSIDE HANDLE AS PRECAUTION. OPERATIONAL CHECKED OK. - [SDR HYIA20120528528](https://openairdocs.org/sdr/HYIA20120528528.md): Gauge · leaking · May 28, 2012 · N514NC · Cessna 402C · Fuel Indicating System > PILOT REPORTED A PREVELENT FUEL ODOR DURING ALL GROUND OPERATIONS AND DURING CLIMBOUT. PILOT NOTED WHAT APPEARED TO BE FUEL IN BOTTOM OF FUEL FLOW INDICATOR. ON INSPECTION, EVIDENCE OF FUEL STAINS AT THE BOTTOM OF FUEL FLOW GAUGE WERE NOTED. BASED ON THIS FI - [SDR HYIA5112FUELODOR](https://openairdocs.org/sdr/HYIA5112FUELODOR.md): B-Nut · loose · May 11, 2012 · N514NC · Cessna 402C · Heating System > PILOT REPORTED A FUEL ODOR IN THE COCKPIT. ODOR WAS FOUND TO BE CAUSED BY A LEAKING B-NUT ON THE HEATER FUEL PUMP. B-NUT WAS THEN SECURED, AND THE AREA WAS CHECKED WITH NO LEAKS. - [SDR HYIA20140414005](https://openairdocs.org/sdr/HYIA20140414005.md): Drag Brace · cracked · Apr 15, 2011 · N514NC · Cessna 402C · Landing Gear Retraction/Extension System > AT SCHEDULED INSPECTION, NLG DRAG BRACE, PN 5142002-5, WAS FOUND TO BE CRACKED IN THE AREA OF NLG ACTUATOR ATTACH POINT. METHOD OF INSPECTION WAS DYE PENETRANT. THIS CRACK WAS FOUND TO BE BEYOND LIMIT ALLOWABLE OF MEB91-11R1. THIS UNIT HAS BEEN SCRAPPED & A - [SDR HYIA20140415032](https://openairdocs.org/sdr/HYIA20140415032.md): Drag Brace · cracked · Mar 11, 2011 · N514NC · Cessna 402C · Landing Gear Retraction/Extension System > AT SCHEDULED INSPECTION, NLG DRAG BRACE OEM PN 5142002-5 WAS FOUND TO BE CRACKED IN THE AREA OF NLG ACTUATOR ATTACH POINT. METHOD OF INSPECTION WAS DYE PENETRANT. THIS CRACK WAS FOUND TO BE WITHIN ALLOWABLE LIMIT. THIS UNIT HAS BEEN REPAIRED IAW PROCEDURE O - [SDR HYIA514NC RMLG](https://openairdocs.org/sdr/HYIA514NC%20RMLG.md): Seal · leaking · Jan 24, 2010 · N514NC · Cessna 402C · Landing Gear Actuator > CREW REPORTED, ON APPROACH, AFTER GEAR EXTENSION, GEAR UNLOCK LIGHT REMAINED ILLUMINATED WITH NO RT MLG DOWNLOCK INDICATION. PERFORMED EMERGENCY EXTENSION OF LANDING GEAR, AND DECLARED AN EMERGENCY. LANDING WAS UNEVENTFUL. MX FOUND RT MAIN GEAR DOWNLOCK SWITC - [SDR N514NC](https://openairdocs.org/sdr/N514NC.md): Wire · chafed · Jun 10, 2007 · N514NC · Cessna 402C · Electrical Power System Wiring > CREW SMELLED BURNING ODOR IN COCKPIT DURING FLIGHT. MX INSPECTED AND FOUND WIRES IN NLG WHEEL WELL CHAFED. MX REPAIRED WIRING AND RELEASED A/C. - [SDR 1350527514](https://openairdocs.org/sdr/1350527514.md): Circuit Breaker · defective · Apr 24, 2006 · N514NC · Cessna 402C · DC Power Distribution System > CREW REPORTED AVIONICS MASTER SWITCH INOP. MX CHANGED CIRCUIT BREAKER SWITCH, MFG DATE CODE 0527. - [SDR HYI2003F00008](https://openairdocs.org/sdr/HYI2003F00008.md): Master Switch · inoperative · May 27, 2003 · N514NC · Cessna 402C · Instrument System Wiring > AVIONICS MASTER SWITCH INOPERATIVE. MAINTENANCE REPLACED SWITCH AND RETURNED THE AIRCRAFT TO SERVICE. - [SDR 20010403CW011](https://openairdocs.org/sdr/20010403CW011.md): Strut · discharged · Feb 22, 2001 · N514NC · Cessna 402C · Nose/Tail Landing Gear Strut/Axle > UPON GEAR RETRACT, HYDR PRES LIGHT REMAINED ILLUMINATED. GEAR EXTENSION WAS ATTEMPTED, NOSE GEAR FAILED TO EXTEND. GEAR WAS EXTENDED USING EMERGENCY BLOW DOWN PROCEDURE, ALL GEAR DOWN INDICATORS SHOWED GREEN AND AIRCRAFT LANDED WITHOUT INCIDENT. MECH FOUND ## 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 = 'N514NC' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N514NC/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.