N747WS

Service difficulty reports · 31

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Query with SQL
duckdb -csv -c "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 = 'N747WS' AND registry_match = 'registration'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR HYIA20250506002Fitting · corrodedDURING SCHEDULED MAINTENANCE A SMALL AREA OF SURFACE CORROSION WAS VISUALLY IDENTIFIED ON THE RIGHT WING LOWER AFT WING FITTING. (OEM PN: 0822550-44). THIS CORROSION MEASURES APPROX. .375" LONG WITH A MAX DEPTH OF APPROX. .030" AND IS CONSISTENT WITH OTHER CORMay 1, 2025 · N747WS · Cessna 402C · Wing, Attach FittingsSDR HYIA20250506001Door Frame · corrodedDURING MAINTENANCE, CORROSION DAMAGE WAS NOTED UNDERNEATH THE STRIKER PLATE FOR THE UPPER CLAMSHELL DOOR PIN ENGAGEMENT HOLE LOCATED ON THE MAIN CABIN DOOR POST. (F.S. 213.6) THE DEPTH OF THIS CORROSION IN GREATER THAN 25% OF THE THICKNESS OF THE DOOR POST ANDMay 1, 2025 · N747WS · Cessna 402C · Fuselage Main, StructureSDR HYIA20211101001Switch · dirtyTHE PILOT REPORTED A BURNING SMELL IN CABIN DURING FLIGHT. MAINTENANCE INSPECTED AND FOUND THE HEATER FLOW SWITCH DIRTY. THIS WAS CLEANED AND SUBSEQUENT HEATER RUN-UPS PRODUCED NO FURTHER DEFECTS NOTED.Oct 27, 2021 · N747WS · Cessna 402CESSNA · Heating SystemSDR HYIA20210811001Attach Fitting · corrodedDURING SCHEDULED MAINTENANCE, A SPOT OF INTERGRANULAR CORROSION WAS VISUALLY IDENTIFIED ON THE RIGHT HAND, UPPER, WING ATTACH FITTING. IT MEASURES APPROXIMATELY .520 INCHES LONG, .064 INCHES DEEP, AND .221 INCHES WIDE. IT IS LOCATED ON THE BOTTOM EDGE OF THE VAug 10, 2021 · N747WS · Cessna 402C · Wing, Fuselage Attach FittingsSDR HYIA20190611001Spring · brokenPILOT REPORTED A LOUD BANG FROM THE RIGHT SIDE WHEEL, A LOSS OF RIGHT DIRECTIONAL CONTROL AND BRAKES, AND THE RIGHT RUDDER PEDAL FELT VERY LOOSE. MAINTENANCE INSPECTED AND FOUND THE RIGHT BRAKE MASTER CYLINDER SPRINGS BROKEN. THE MASTER CYLINDER WAS REPLACED WJun 7, 2019 · N747WS · Cessna 402C · Master Cylinder/Brake ValveSDR HYIA01042018001Fitting · crackedTHE LT NACELLE OB FITTING WAS FOUND TO BE CRACKED AT THE LWR PORTION OF THE IB LEG WHILE PERFORMING INTIAL NDT (HFEC) TO SATISFY REQUIREMENT OF TEXTRON SID 57-10-16. THE FITTING DOES NOT APPEAR TO BE CORRODED OR OTHERWISE DAMAGED AND THERE DO NOT APPEAR TO BEJan 3, 2019 · N747WS · Cessna 402C · Nacelle/Pylon Miscellaneous StructureSDR HYIA20170124002Exhaust Valve · burnedPILOT REPORTED THE LEFT ENGINE RUNNING ROUGH, AND CHT SHOWING 175 ON LEFT ENGINE. MAINTENANCE INSPECTED AND FOUND THE LEFT ENGINE CYLINDER NR 3 EXHAUST VALVE BURNT AND THE NR 4 CYLINDER EXHAUST VALVE BROKEN; BOTH CYLINDERS HAS A TOTAL TIME IN SERVICE OF 1382.Jan 20, 2017 · N747WS · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20170124001Exhaust Valve · burnedPILOT REPORTED THE LEFT ENGINE RUNNING ROUGH, AND CHT SHOWING 175 ON LEFT ENGINE. MAINTENANCE INSPECTED AND FOUND THE LEFT ENGINE CYLINDER NR 3 EXHAUST VALVE BURNED AND THE NR 4 CYLINDER EXHAUST VALVE BROKEN. BOTH CYLINDERS WERE REPLACED WITH NO FURTHER ISSUJan 20, 2017 · N747WS · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20160912133Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.Sep 9, 2016 · N747WS · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20160825088Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.Aug 20, 2016 · N747WS · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20160825087Exhaust Valve · low pressureCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.Aug 20, 2016 · N747WS · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20160803059Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGEJul 29, 2016 · N747WS · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20160802005Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE CRACKED AND DISPLAYS EVIDENCE OF HEAT DAMAGE.Jun 11, 2016 · N747WS · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20160304002O-Ring · damagedPILOT REPORTED FUEL SMELL IN COCKPIT. ACCESSED CABIN FUEL LINES & VISUALLY INSPECTED LINES. NO DEFECTS NOTED. LOCATED EVIDENCE OF FUEL LEAK AT THE LT FUEL FILTER BOWL. REPLACED LT FUEL FILTER BOWL O RINGS. PERFORMED OPERATIONAL LEAK CHECK. NO FURTHER LEAFeb 28, 2016 · N747WS · Cessna 402C · Aircraft Fuel Filter/StrainerSDR HYIA20160226001Unknown · odorPILOT REPORTED FUEL SMELL IN CABIN. RAN ACFT, RAN HEATER & PERFORMED INSPECTION OF FUEL SYS COMPONENTS. AT NO POINT DURING INSPECTION WAS EVIDENCE OR SMELL OF FUEL DETECTED.Feb 19, 2016 · N747WS · Cessna 402C · Air Distribution SystemSDR HYIA20150820001Liner · defectivePILOT REPORTED RT BRAKE DROPPED TO FLOOR AFTER LANDING & A VERY MUSHY FEEL. R & R THE RT BRAKE LINING ASSEMBLY & SERVICED THE HYD SYS IAW CHAPTER 32-40-00. OPERATIONS CHECKED SATISFACTORY AT THAT TIME.Aug 15, 2015 · N747WS · Cessna 402C · Landing Gear Brake SystemSDR HYIA20150428002Master Cylinder · lowPILOT REPORTED RT BRAKE INOPERATIVE. INSPECTED RT BRAKE SYS FOR LEAKS IN FUSELAGE, WING, & WW, NONE FOUND. SERVICED RT MASTER CYLINDER & BLED SYS AS PRECAUTION. OPERATIONALLY CHECKED WITH NO DEFECTS NOTED.Apr 25, 2015 · N747WS · Cessna 402C · Master Cylinder/Brake ValveSDR HYIA20150320002Brake Sys · contaminatedPILOT REPORTED RT BRAKE INOPERATIVE. INSPECTED, SERVICED & BLED BRAKE SYS. TAXI OPERATIONAL CHECKED GOOD.Mar 18, 2015 · N747WS · Cessna 402C · Landing Gear Brake SystemSDR HYIA20141208001Engine · failedRT ENG LOST POWER IN FLIGHT & ENDED UP SHUTTING IT DOWN. THE ACFT LANDED WITHOUT INCIDENT. UPON INSPECTION MX FOUND THE RT ENG CRANK CASE HAD BEEN PENETRATED. INITIAL INVESTIGATION LEADS UP TO BELIEVE A CONNECTING ROD SEPARATED FROM THE CRANKSHAFT. THE ENGDec 4, 2014 · N747WS · Cessna 402C · Reciprocating Engine Power SectionSDR HYIA20140414055Drag Brace · crackedAT 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 BEYOND LIMIT ALLOWABLE. THIS UNIT HAS BEEN SCRAPPED & A REPLACEMEDec 2, 2013 · N747WS · Cessna 402C · Landing Gear Retraction/Extension SystemSDR HYIA20120817002Connector · shortedPILOT REPORTED FLIGHT COMPARTMENT LIGHTS INOPERATIVE. SLIGHT ELECTRICAL ODOR NOTED WHEN SELECTED ON. ON MX INSPECTION, SYS WAS INSPECTED AND FOUND POST LIGHT CONNECTOR ABOVE CLOCK SHORTED AND SMOKING. NO OTHER DEFECTS NOTED. R & R POST LIGHT CONNECTOR. OPS CAug 16, 2012 · N747WS · Cessna 402C · Light System WiringSDR HYIA20140414009Drag Brace · crackedAT 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 & AJan 16, 2012 · N747WS · Cessna 402C · Landing Gear Retraction/Extension SystemSDR HYIA20140415070Drag Brace · crackedAT 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 WITHIN ALLOWABLE LIMIT OF MEB91-11R1. THIS UNIT HAS BEEN REPAIRED IAWAug 11, 2011 · N747WS · Cessna 402C · Landing Gear Retraction/Extension SystemSDR HYIA20140415046Drag Brace · crackedAT 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 PROCEDUREApr 12, 2011 · N747WS · Cessna 402C · Landing Gear Retraction/Extension SystemSDR HYIA20140415027Drag Brace · crackedAT 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 OFeb 8, 2011 · N747WS · Cessna 402C · Landing Gear Retraction/Extension SystemSDR HYIA747LFTGEARDownlock Switch · out of adjustON APPROACH, CREW REPORTED LT MAIN GEAR DOWN AND LOCK INDICATOR FAILED TO ILLUMINATE. COMPLIED WITH EMERGENCY GEAR EXTENSION,STILL NO DOWN LOCK INDICATION, DECLARED EMERGENCY. LANDED WITHOUT INCIDENT. MAINTENANCE ADJUSTED LEFT MAIN GEAR DOWN LOCK SWITCH. COMJul 22, 2010 · N747WS · Cessna 402C · Landing Gear Position and WarningSDR GNB2007F00000Squat Switch · intermittentPILOT SELECTED GEAR UP AFTER TAKEOFF. GEAR DID NOT RETRACT. PILOT SELECTED GEAR DOWN AND RETURNED FOR AN UNEVENTFUL LANDING. SQUAT SWITCH INTERMITTENT. (K)Dec 11, 2006 · N747WS · Cessna 402C · Landing Gear Position and WarningSDR GNB2006F00001Distributor Gear · strippedPRE TAKEOFF RUNUP CHECKED GOOD. PULLED ONTO RUNWAY, APPLIED POWER, RT ENGINE BEGAN TO RUN ROUGH. ABORTED TAKEOFF. MAINTENANCE DISCOVERED 10-15 TEETH STRIPPED ON DISTRIBUTOR GEAR. VERY COLD TEMP, PROBABLE CAUSE. (SW01200603303) (K)Dec 5, 2005 · N747WS · Cessna 402C · Magneto/DistributorSDR 20010319CW008Control Cable · separatedSTART UP, PILOT PUSHED MIXTURE FORWARD, COULD NOT START LEFT MOTOR OR GET FUEL FLOW. INVESTIGATION REVEALLED MIXTURE KNOB WOULD MOVE, ROD END AT MIXTURE CONTROL DID NOT. FOUND CABLE HOUSING SEPARATED FROM FACTORY CRIMP INSIDE FUSELAGE AT CONTROL COLUM AREA.Feb 1, 2001 · N747WS · Cessna 402C · Mixture ControlSDR 96ZZZX5658Post Light · shortedPILOT REPORTED SEEING A SMALL AMOUNT OF SMOKE FROM UNDER COPILOT'S INSTRUMENT PANEL AND SMELLING SOMETHING 'ELECTRICAL' BURNING. UPON INSPECTION, A POST LIGHT WAS FOUND SHORTED. NO CIRCUIT BREAKERS TRIPPED. A VERY THIN SPRING INSIDE THE SCREW ON CONNECTOR BOct 28, 1996 · N747WS · Cessna 402C · Flight Compartment LightingSDR 96ZZZX5572Flow Valve · stickingWING DEICE BOOTS DID NOT FULLY DEFLATE AFTER NORMAL CYCLE. LEFT FLOW VALVE STUCK PARTIALLY OPEN. INSTALLED NEW VALVE. OPS CHECKED NORMAL.Oct 10, 1996 · N747WS · Cessna 402C · Airfoil Anti/De-ice System
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