# Service difficulty reports: N818AN A list on [N818AN](https://openairdocs.org/aircraft/N818AN.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 3BCA202501250023](https://openairdocs.org/sdr/3BCA202501250023.md): Sight Tube · leaking · Jan 9, 2025 · N818AN · Cessna 402C · Hydraulic System, Main > PILOT WRITE-UP REF: LP 10164, "LANDING GEAR UNLOCK LIGHT (RED) AND HYD PRESS LIGHT ON. THICK SMOKE IN CABIN SMELLED LIKE HYD FLUID." PILOT DECLARED EMERGENCY AND RETURN TO BFI SAFELY. UPON EXAMINATION FOUND PN: 5117007-12 (TUBE-SIGHT HYDRAULIC SYSTEM) SURFACE - [SDR HYIA20200929001](https://openairdocs.org/sdr/HYIA20200929001.md): Rib · cracked · Sep 28, 2020 · N818AN · Cessna 402C · Wing, Rib/Bulkhead > DURING MAINTENANCE TWO CRACKS WERE DISCOVERED ON THE RIGHT HAND CLOSEOUT RIB AT RWS 106.79 (P/N: 5122115-56). THESE CRACKS ORIGINATE FROM TWO SEPARATE HOLES COMMON TO THE FORWARD ROW OF FASTENERS ATTACHING THE AFT MAIN LANDING GEAR TRUNNION SUPPORT PLATE. TH - [SDR HYIA20191231001](https://openairdocs.org/sdr/HYIA20191231001.md): Beam · damaged · Dec 30, 2019 · N818AN · Cessna 402C · Nacelle/Pylon, Main Frame > DURING MAINTENANCE, WORKING FASTENERS WERE IDENTIFIED ON THE RH OUTBOARD BEAM'S, AFT ENGINE MOUNT'S FORWARD MOUNTING BLOCK. THIS BLOCK P/N 5654130-202 WAS INSTALLED AS PART OF THE SK414-19B SERVICE KIT AND IS LOCATED ON THE OUTBOARD FACE OF THE BEAM. UPON RE - [SDR HYIA20190726001](https://openairdocs.org/sdr/HYIA20190726001.md): Actuator · excess play · Jul 25, 2019 · N818AN · Cessna 402C · Elevator Tab Control System > PILOT REPORTED ELEVATOR FLUTTER FROM RIGHT SIDE, SUSPECT TRIM TAB. MAINTENANCE INSPECTED AND FOUND THE ELEVATOR TRIM ACTUATOR WITH PLAY. THE ACTUATOR WAS REPLACED WITH NO FURTHER DEFECTS NOTED. - [SDR HYIA20190621001](https://openairdocs.org/sdr/HYIA20190621001.md): Attach Fitting · corroded · Jun 20, 2019 · N818AN · Cessna 402C · Wing, Attach Fittings > WHILE PERFORMING SPECIAL INSPECTION 402-22 PER INSPECTION PROGRAM MANUAL, AND MAINTENANCE MANUAL 5-20-01, CORROSION WAS VISUALLY IDENTIFIED ON THE LEFT WING'S, FORWARD SPAR'S, LOWER, AFT, WING FITTING. THIS CORROSION IS ON THE LOWER HORIZONTAL FLANGE OF THE F - [SDR HYIA20190605001](https://openairdocs.org/sdr/HYIA20190605001.md): Beam · cracked · Jun 4, 2019 · N818AN · Cessna 402C · Nacelle/Pylon, Main Frame > DURING MAINTENANCE TWO CRACKS WERE DISCOVERED ON THE INBOARD FACE OF THE RIGHT HAND INBOARD ENGINE BEAM IN THE AREA OF THE VERTICAL ATTACH CHANNELS FOR THE CROSSOVER BEAM. THESE CRACKS WERE DISCOVERED AFTER CHANGING THE CROSSOVER BEAM VERTICAL ATTACH BRACKET P - [SDR HYIA20170706001](https://openairdocs.org/sdr/HYIA20170706001.md): Connecting Rod · bent · Jun 30, 2017 · N818AN · Cessna 402C · Reciprocating Engine Power Section > PILOT REPORTED LEFT ENGINE RAN ROUGH DURING CLIMB AND THEN LATER ON GROUND AT IDLE. UPON INSPECTION, THE CONNECTING ROD ON THE NR 5 CYLINDER WAS FOUND TO BE BENT. THE ENGINE WAS REPLACED. - [SDR HYIA20170828012](https://openairdocs.org/sdr/HYIA20170828012.md): Fitting · cracked · Dec 26, 2016 · N818AN · Cessna 402C · Nacelle/Pylon, Attach Fittings > DURING A ROUTINE INSPECTION, THREE CRACKS WERE FOUND IN THE RT OUTBOARD NACELLE FITTING. TWO CRACKS WERE FOUND ON THE INBOARD SIDE OF THE FITTING, JUST FORWARD OF THE SPAR STRAP. THEY MEASURED.161 AND.088 IN LENGTH. THE THIRD CRACK WAS FOUND ON THE OUTBOAR - [SDR HYIA20161010162](https://openairdocs.org/sdr/HYIA20161010162.md): Exhaust Valve · damaged · Sep 28, 2016 · N818AN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160913137](https://openairdocs.org/sdr/HYIA20160913137.md): Exhaust Valve · damaged · Sep 13, 2016 · N818AN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160803042](https://openairdocs.org/sdr/HYIA20160803042.md): Exhaust Valve · damaged · Jul 8, 2016 · N818AN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160803041](https://openairdocs.org/sdr/HYIA20160803041.md): Exhaust Valve · damaged · Jul 8, 2016 · N818AN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160803040](https://openairdocs.org/sdr/HYIA20160803040.md): Exhaust Valve · damaged · Jul 8, 2016 · N818AN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160803039](https://openairdocs.org/sdr/HYIA20160803039.md): Exhaust Valve · damaged · Jul 8, 2016 · N818AN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20150501001](https://openairdocs.org/sdr/HYIA20150501001.md): Door · open · Apr 28, 2015 · N818AN · Cessna 402C · Passenger/Crew Doors > PILOT REPORTED, DOOR WARN, ILLUMINATED 8 MILES FROM DESTINATION. UPPER CABIN DOOR OPENED 4 MILES FROM DESTINATION DURING DESCENT. INSPECTED THE CABIN DOOR WITH NO DAMAGE OR DISCREPANCIES NOTED. - [SDR HYIA20150115001](https://openairdocs.org/sdr/HYIA20150115001.md): Unknown · odor · Jan 13, 2015 · N818AN · Cessna 402C · Air Distribution System > PILOT REPORTED BURNING SMELL FROM HEATER IN FLIGHT. INSPECTED THE HEATER IAW MM 21, RAN ENG & HEATER, ALL OPERATIONS CHECKED GOOD. NO SMELL NOTED. - [SDR HYIA20140926001](https://openairdocs.org/sdr/HYIA20140926001.md): Connecting Rod · separated · Sep 24, 2014 · N818AN · Cessna 402C · Reciprocating Engine Power Section > LEFT ENG FAILED AFTER TAKEOFF. UPON INSPECTION, IT WAS NOTED THE NR 5 CYLINDER CONNECTING ROD SEPARATED FROM THE CRANKSHAFT, CAUSING PENETRATION THROUGH THE CASE, EJECTING BOTH MAGNETOS FROM THEIR MOUNTS & CAUSING EXTENSIVE DAMAGE TO THE CYLINDER, CASE & ENG - [SDR HYIA20121203003](https://openairdocs.org/sdr/HYIA20121203003.md): Spar · damaged · Dec 1, 2012 · N818AN · Cessna 402C · Wing Main, Frame Structure > DURING A ROUTINE MX INSPECTION DAMAGE WAS NOTED AT THE RT LOWER STUB WING IN THE AREA OF THE RT JACK POINT. INITIAL DAMAGE WAS IDENTIFIED AS A WRINKLING OF THE SKIN. SKIN WAS DERIVETED TO INSPECT UNDERLYING STRUCTURE (AFT CARRY THROUGH SPAR ASSY 5211173-2 AT - [SDR HYIA20121126001](https://openairdocs.org/sdr/HYIA20121126001.md): Wire · smoke · Nov 23, 2012 · N818AN · Cessna 402C · Air Conditioning System Wiring > PILOT REPORTED THAT DURING CRUISE FLIGHT, SMOKE WAS SEEN COMING FROM BELOW THE YOKE. ON LANDING, MX INSPECTED THE ACFT AND REPLACED RING TERMINALS, WIRING, AND HARDWARE AT CABIN FAN SWITCH. - [SDR HYIA08242012005](https://openairdocs.org/sdr/HYIA08242012005.md): Attach Fitting · corroded · Aug 24, 2012 · N818AN · Cessna 402C · Fuselage Main, Attach Fittings > DURING A SCHEDULED MX, CORROSION WAS NOTED ON THE LT LOWER FORWARD FUSELAGE FITTING. R & R FITTING WITH NEW PART. - [SDR HYIA08242012002](https://openairdocs.org/sdr/HYIA08242012002.md): Spar · damaged · Aug 24, 2012 · N818AN · Cessna 402C · Fuselage Main, Frame > DURING A REGULARLY SCHEDULED MX INSPECTION, AFT CARRY THROUGH SPAR (CENTER SECTION) UPPER CAP AND CORRESPONDING WEB FLANGES WERE FOUND TO HAVE MISDRILLED DAMAGE FROM PREVIOUS REPAIR ATTEMPTS. UPON ACFT ARRIVAL IN FACILITY, A REPAIR WAS DEVELOPED IAW REPAIR DEF - [SDR HYIA201205170002](https://openairdocs.org/sdr/HYIA201205170002.md): Spar Cap · damaged · May 16, 2012 · N818AN · Cessna 402C · Fuselage Main, Frame > DURING A SCHEDULED MX EVENT, DAMAGE WAS FOUND ON THE AFT CARRY THRU SPAR ASSY. DAMAGE INCLUDES UPPER SPAR WEB FLANGE CRACKS AND MISSING MATERIAL, CRACK STOP DRILL DAMAGE TO UPPER SPAR CAP, AND IMPROPERLY DRILLED HOLES THAT PENETRATE THE SPAR CAP VERTICAL FLAN - [SDR HYIA20140415045](https://openairdocs.org/sdr/HYIA20140415045.md): Drag Brace · cracked · Apr 5, 2011 · N818AN · 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 - [SDR HYIA818ANWSHT211](https://openairdocs.org/sdr/HYIA818ANWSHT211.md): Controller · failed · Feb 27, 2011 · N818AN · Cessna 402C · Windshield/Door Rain/Ice Removal > CREW REPORTED, IN CRUISE, IMC CONDITIONS, LIGHT TO MODERATE RIME ICE WITH OAT OF -8 DEGREES CELCIUS, WINDSHIELD HEAT FAILED. EMERGENCY DECLARED AND REQUESTED 2000 FT FROM ATC, CONTINUED DESCENT TO KBOS,ICE STARTED TO SHED FROM WINDSHIELD, LANDING WAS UNEVENTFU - [SDR HYIA20140415013](https://openairdocs.org/sdr/HYIA20140415013.md): Drag Brace · cracked · Jan 27, 2011 · N818AN · 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 HYIA818ANMAP1105](https://openairdocs.org/sdr/HYIA818ANMAP1105.md): Line · broken · Nov 5, 2010 · N818AN · Cessna 402C · Manifold Pressure (MP) Indicating > CREW REPORTED, AFTER LEVELING AT 4000 FT, IN CRUISE CONFIGURATION, POWER WAS REDUCED TO 26" OF MANIFOLD PRESSURE. LT ENGINE WENT TO TO 26" OF MANIFOLD PRESSURE, BUT RT ENGINE REMAINED AT 29". CREW ELECTED TO DIVERT, WHERE AN EMERGENCY WAS DECLARED. LANDING - [SDR HYIA818ANRTW](https://openairdocs.org/sdr/HYIA818ANRTW.md): Spar Cap · cracked · Oct 17, 2009 · N818AN · Cessna 402C · Wing Spar > DURING SCHEDULED MX VISIT, MX FOUND POSSIBLE CRACK ON RT WING FWD SPAR, UPPER CAP. CRACK CONFIRMED BY EDDY CURRENT INSP. SPAR CAP REPLACEMENT IN PROGRESS. - [SDR HYIA818AN](https://openairdocs.org/sdr/HYIA818AN.md): Garlock Seal · leaking · Nov 29, 2008 · N818AN · Cessna 402C · Reciprocating Engine Oil System > LEFT ENGINE LEAKING OIL IN FLIGHT CREW SHUT DOWN ENGINE. MAINTENANCE INSPECTED FOUND VACUUM PUMP'S GARLOC SEAL WAS LEAKING. MX REMOVED AND REPLACED GARLOC SEAL AND VACUUM PUMP ASSY. MX CLEAN OIL SEPARATOR FILTER AND LINES. MX PERFORMED FULL POWER RUN UP. - [SDR 135818022608](https://openairdocs.org/sdr/135818022608.md): Radio · malfunctioned · Feb 25, 2008 · N818AN · Cessna 402C · Communications System > THIS IS A PRELIMINARY REPORT WITH A FINAL REPORT TO FOLLOW. ON APPROACH TO MVY, AIRCRAFT WAS UNABLE TO TRANSMIT ON EITHER COMM 1 OR COMM 2 RADIO WITH PILOTS PTT OR MICROPHONE, ACCOMPANIED BY A SMALL WISP OF SMOKE. THE PILOT PERFORMED THE APPROPRIATE BOX MEMO - [SDR 1350527N818AN](https://openairdocs.org/sdr/1350527N818AN.md): Circuit Breaker · defective · Jul 13, 2006 · N818AN · Cessna 402C · DC Power Distribution System > CREW REPORTED AVIONICS MASTER SWITCH INOP. MX CHANGED CIRCUIT BREAKER SWITCH. - [SDR YBS2003F00001](https://openairdocs.org/sdr/YBS2003F00001.md): Bolt · missing · Jul 29, 2003 · N818AN · Cessna 402C · Elevator Structure > SHORTLY AFTER ROTATION AND GEAR SELECT UP (APPROX 200MSL) CREW REPORTED SEVERE ELEVATOR VIBARATION. EMERGENCY WAS DECLARED, LANDING W/O FURTHER PROBLEMS. MECHANIC INSPECTED ENTIRE ELEVATOR TRIM CONTROL SYSTEMS AND HORIZONTAL STABILIZER. MECHANIC FOUND ELEVA - [SDR 99ZZZX2512](https://openairdocs.org/sdr/99ZZZX2512.md): Engine · failed · Jun 3, 1999 · N818AN · Cessna 402C · Engine (Reciprocating) > IN CRUISE FLIGHT, RIGHT ENGINE HAD A CATASTROPHIC FAILURE. FOR UKNOWN REASONS, CONNECTING RODS, NR 1, NR 2, NR 4, FAILED. TCM HAS BEEN NOTIFIED AND WILL INSPECT ASAP. AN UNEVENTFUL LANDING WAS MADE. ## 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 = 'N818AN' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N818AN/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.