N494BC

Service difficulty reports · 23

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 = 'N494BC' 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 HYIA20250627001Crossbeam · crackedDURING INSPECTION A CRACK WAS VISUALLY NOTED ON THE LEFT HAND CROSSOVER BEAM (OEM 5654104-11). THIS CRACK IS LOCATED ON THE AFT FACE OF THE BEAM AT APPROXIMATE LWS 81.62. THE CRACK IS APPROXIMATELY .500 INCHES LONG AND .250 INCHES DOWN FROM THE TOP EDGE OF THJun 24, 2025 · N494BC · Cessna 402C · Nacelle/Pylon, Main FrameSDR HYIA20250515001Wire · shortedPILOT REPORTED LEFT ENGINE CYLINDER TEMP INDICATIONS WERE IN THE RED ON TAXI OUT. MAINTENANCE INSPECTED AND FOUND THE POSITIVE WIRE TO THE ALTERNATOR SHORTED INTO THE ADEL CLAMP AT THE CROSSOVER BEAM. THIS CAUSED DAMAGE TO THE SURROUNDING WIRE HARNESS AND HOSEMay 12, 2025 · N494BC · Cessna 402C · Electrical Power System WiringSDR HYIA20210817001Attach Fitting · corrodedDURING MAINTENANCE A SPOT OF CORROSION WAS VISUALLY IDENTIFIED ON THE LEFT HAND UPPER FORWARD WING ATTACH FITTING. IT IS LOCATED ON THE BOTTOM FACE OF THE UPPER HORIZONTAL LEG OF THE FITTING AND MEASURES APPROXIMATELY .555 INCHES LONG, .300 INCHES WIDE, AND .0Aug 16, 2021 · N494BC · Cessna 402C · Wing, Attach FittingsSDR HYIA20210611002Line · crackedNOSE GEAR LIGHT DID NOT ILLUMINATE ON EXTENSION, AIRCRAFT LANDED WITH GEAR UNLOCKED, GEAR COLLAPSED ON LANDING. NO INJURIES. INSPECTED AIRCRAFT AND FOUND HYDRAULIC PRESSURE LINE IN RIGHT WING CRACKED AND BLOWDOWN BOTTLE DID NOT DISCHARGE.May 28, 2021 · N494BC · Cessna 402C · Hydraulic System, MainSDR HYIA20190925001Beam · crackedDURING MAINTENANCE A CRACK WAS VISUALLY IDENTIFIED ON THE AFT SIDE OF THE RIGHT NACELLE CROSSOVER BEAM (P/N: 5654104-12). THIS CRACK MEASURES APPROXIMATELY 1.302 INCHES IN LENGTH, AND BEGINS AT THE OUTBOARD TURBO BRACKET MOUNTING HOLE ON THE AFT FACE OF THE BESep 25, 2019 · N494BC · Cessna 402C · Nacelle/Pylon, Main FrameSDR HYIA20190920001Beam · crackedDURING X-RAY INSPECTION OF THE RIGHT HAND INBOARD ENGINE BEAM TO SATISFY THE REQUIREMENT OF AD 97-26-16, A CRACK WAS IDENTIFIED TRAVELING IN A DIRECTION TRANSVERSE TO THE LENGTH OF THE BEAM ACROSS THE TOP OF THE ENGINE BEAM ASSEMBLY. THIS CRACK IS LOCATED APPRSep 19, 2019 · N494BC · Cessna 402C · Nacelle/Pylon, Main FrameSDR HYIA20170828009Fitting · crackedDURING A ROUTINE INSPECTION, A CRACK WAS DISCOVERED IN THE RT OUTBOARD NACELLE FITTING. THE CRACK WAS FOUND ON THE INBOARD SIDE OF THE FITTING, JUST FORWARD OF THE SPAR STRAP. THE CRACK MEASURED .098 IN LENGTH.Apr 14, 2017 · N494BC · Cessna 402C · Nacelle/Pylon, Attach FittingsSDR HYIA20170828008Fitting · crackedDURING A ROUTINE INSPECTION, THREE CRACKS WERE FOUND ON THE LT OUTBOARD NACELLE FITTING. THESE CRACKS WERE DISCOVERED ON THE INBOARD SIDE OF THE FITTING, JUST FORWARD OF THE SPAR STRAP. THE CRACKS MEASURED .088, .097, AND .155 IN LENGTH.Mar 28, 2017 · N494BC · Cessna 402C · Nacelle/Pylon, Attach FittingsSDR HYIA20160913161Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.Sep 28, 2016 · N494BC · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20150918002Door · openPILOT REPORTED THE LT WING LOCKER OPENED DURING FLIGHT. INSPECTED THE LT WING LOCKER DOOR & LATCH ASSEMBLY WITH NO DEFECT NOTED. OPERATIONS CHECKED GOOD.Sep 15, 2015 · N494BC · Cessna 402C · Wing, Plate/SkinSDR HYIA20150804001Fluid · lowLOST BRAKING FOR A FEW SECONDS ON LANDING ROLLOUT. FIRST ON CO-PILOT SIDE THEN ON PILOT SIDE. INSPECTED BRAKE LINING & PADS ON LT & RT SIDE. INSPECTED FOR LEAKS, NO DEFECTS NOTED, SERVICED BOTH BRAKE MASTER CYLINDERS WITH FLUID. OPERATIONS CHECKED GOOD.Jul 29, 2015 · N494BC · Cessna 402C · Master Cylinder/Brake ValveSDR HYIA20150624002Linkage · unsecurePILOT REPORTED RPM LOSS ON THE RT ENG DROPPED FROM 2300 TO 2000 RPM. WOULD NOT CHANGE WHEN MOVING PROP LEVER. SECURED PROP LINKAGE IAW MM CH 61-20-00. OPERATIONALLY CHECKED GOOD.Jun 19, 2015 · N494BC · Cessna 402C · Propeller Controlling SystemSDR HYIA201504130001Spar · chafedUPON REMOVAL OF LT MLG HYD EXTEND & RETRACT ACTUATOR TO FACILITATE OTHER MAINTENANCE, A HOLE WAS DISCOVERED IN THE LT WING FWD SPAR WEB. THE HOLE IS LOCATED AT APPROX LT WS 91.62 & WAS CREATED WHEN COTTER PIN USED TO SAFETY HARDWARE STACK UP AT UPPER MLG ACTUApr 10, 2015 · N494BC · Cessna 402C · Wing SparSDR HYIA20121003004Spark Plug · wornPILOT REPORTED THAT AFTER TAKEOFF, A VIBRATION WAS FELT THROUGHOUT THE AIRFRAME. ELECTED TO RETURN TO DEPARTURE. ALL PANELS AND DOORS WERE INSPECTED FOR SAFETY AND SECURITY AS A PROBABLE CAUSE OF VIBRATION, NO DEFECTS NOTED. INSPECTED ENGINES. RT ENGINESep 29, 2012 · N494BC · Cessna 402C · Spark Plug/IgniterSDR HYIA20140415079Drag 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 30, 2012 · N494BC · Cessna 402C · Landing Gear Retraction/Extension SystemSDR HYIA20140414006Drag 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 & AAug 11, 2011 · N494BC · Cessna 402C · Landing Gear Retraction/Extension SystemSDR HYIA01Nut · crackedTHE NR 3 CYLINDER OF THE RIGHT ENGINE HAD A CRACKED HOLD DOWN NUT.Jun 23, 2011 · N494BC · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20140415007Drag Brace · crackedAT SCHEDULED INSPECTION, NLG DRAG BRAC 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 OUJan 21, 2011 · N494BC · Cessna 402C · Landing Gear Retraction/Extension SystemSDR HYIA494BCRTENGFuel Control · out of adjustCREW REPORTED, WHILE PERFORMING "IN RANGE" CHECKLIST, RT ENGINE QUIT. CREW PERFORMED ENGINE FAILURE CHECKLIST, AND WHEN AUXILARY FUEL PUMP WAS TURNED ON HIGH POSITION, ENGINE POWER WAS RESTORED. EMERGENCY WAS DECLARED, AND CREW ELECTED TO DIVERT BECAUSE OF BETDec 7, 2010 · N494BC · Cessna 402C · Fuel Controlling SystemSDR HYIA494BCKG102Gyro · failedCREW REPORTED HSI FAILED (FROZEN) DURING CLIMB IN HEAVY RAIN AND MODERATE TURBULENCE. EMERGENCY DECLARED, DIVERTED. LANDING WAS UNEVENTFUL. MX FOUND REMOTE GRYO CIRCUIT BREAKER POPPED. R & R REMOTE GYRO. ACFT RELEASED BACK TO SERVICE.Aug 25, 2010 · N494BC · Cessna 402C · Directional Gyro and Indicating SystemSDR HYIA404BCNGEARLine · splitWHILE EN ROUTE, THE RT HYD FLOW LIGHT BEGAN TO FLICKER, FOLLOWED SHORTLY THEREAFTER BY THE LT HYD FLOW LIGHT. COMPLETED HYD FLOW "LIGHT ILLUMINATED IN FLIGHT" CHECKLIST. ON DESCENT, LOWERED LANDING GEAR; GREEN NOSE WHEEL GEAR INDICATION LIGHT DID NOT ILLUMINATNov 21, 2009 · N494BC · Cessna 402C · Hydraulic System, MainSDR HYIA494BCMaster Switch · inoperativeCREW REPORTED AVIONIC MASTER SWITCH INOPERATIVE. MX REMOVED AND REPLACED SWITCH, AND RETURNED ACFT TO SERVICE.Jun 21, 2009 · N494BC · Cessna 402C · Electrical Power SystemSDR GNB2005F00004Valve · warpedWARPED VALUE. (K)Jun 8, 2005 · N494BC · Cessna 402C · Exhaust Turbocharger
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