# Service difficulty reports: N300SN, cancelled Aug 18, 2023 A list on [N300SN, cancelled Aug 18, 2023](https://openairdocs.org/deregistered/N300SN-2023-08-18.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR HYIA20180220001](https://openairdocs.org/sdr/HYIA20180220001.md): Piston · damaged · Feb 16, 2018 · N300SN · Cessna 402C · Reciprocating Engine Cylinder Section > PILOT REPORTED AN EXCESSIVE AIR FRAME VIBRATION ASSOCIATED WITH PROP RPM. MAINTENANCE INSPECTED AND FOUND THE RIGHT ENGINE NR 6 CYLINDER PISTON HEAD TO BE DAMAGED, AND FOREIGN MATTER ON THE CYLINDER UPPER SPARK PLUG. THE DAMAGE TO THE PISTON APPEARED TO BE C - [SDR HYIA20170331001](https://openairdocs.org/sdr/HYIA20170331001.md): Terminal · loose · Mar 29, 2017 · N300SN · Cessna 402C · Flight Compartment Lighting > PILOT REPORTED SMOKE IN COCKPIT IN VICINITY OF FLAP INDICATOR/HANDLE. MAINTENANCE INSPECTED AND FOUND FLAP INDICATOR POST LIGHT TERMINAL LOOSE AND ARCHING; RE-SECURED FLAP INDICATOR POST LIGHT AND REPLACED HEAT SINK ASSEMBLY. - [SDR HYIA20170208002](https://openairdocs.org/sdr/HYIA20170208002.md): Valve Guide · damaged · Feb 7, 2017 · N300SN · Cessna 402C · Reciprocating Engine Cylinder Section > PILOT REPORTED ENGINE MANIFOLD PRESSURE ERRATIC DURING TAKE OFF ROLL. MAINTENANCE INSPECTED AND FOUND THE EXHAUST VALVE GUIDE ON THE NR 5 CYLINDER DAMAGED. - [SDR HYIA20161108189](https://openairdocs.org/sdr/HYIA20161108189.md): Exhaust Valve · damaged · Oct 29, 2016 · N300SN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160913160](https://openairdocs.org/sdr/HYIA20160913160.md): Exhaust Valve · damaged · Sep 28, 2016 · N300SN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160902116](https://openairdocs.org/sdr/HYIA20160902116.md): Exhaust Valve · damaged · Sep 1, 2016 · N300SN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160825084](https://openairdocs.org/sdr/HYIA20160825084.md): Exhaust Valve · damaged · Aug 19, 2016 · N300SN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS, EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160803045](https://openairdocs.org/sdr/HYIA20160803045.md): Exhaust Valve · cracked · Jul 11, 2016 · N300SN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE CRACKED AND DISPLAYS EVIDENCE OF HEAT DAMAGE. THE VALVE SEAT ALSO SHOWED SIGNS OF WEAR. - [SDR HYIA20160803044](https://openairdocs.org/sdr/HYIA20160803044.md): Exhaust Valve · damaged · Jul 11, 2016 · N300SN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160803026](https://openairdocs.org/sdr/HYIA20160803026.md): Exhaust Valve · damaged · Jul 4, 2016 · N300SN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20160803025](https://openairdocs.org/sdr/HYIA20160803025.md): Exhaust Valve · damaged · Jul 4, 2016 · N300SN · Cessna 402C · Reciprocating Engine Cylinder Section > CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE. - [SDR HYIA20140109001](https://openairdocs.org/sdr/HYIA20140109001.md): Caliper · frozen · Jan 9, 2014 · N300SN · Cessna 402C · Brake > LEFT BRAKE FROZEN UP ON TAXI. REPLACED LT BRAKE CALIPER & REPLACED PARKING BRAKE VLV. PURGED LT BRAKE SYS FLUID & PERFORMED BRAKE BLEEDING. PARKING BRAKE VLV PN C165007-0201, REPLACED AS A PRECAUTION. - [SDR HYIA20140102001](https://openairdocs.org/sdr/HYIA20140102001.md): Heater · faulty · Dec 30, 2013 · N300SN · Cessna 402C · Heating System > CABIN HEATER PRODUCES HEAVY EXHAUST SMELL & MINIMAL HEAT WHEN ON. DEFERRED CABIN HEATER FAN IAW MEL 21-01-2. - [SDR HYIA20140414046](https://openairdocs.org/sdr/HYIA20140414046.md): Drag Brace · cracked · Feb 21, 2013 · N300SN · 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 HYIA20140414033](https://openairdocs.org/sdr/HYIA20140414033.md): Drag Brace · cracked · Nov 28, 2012 · N300SN · 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 HYIA20140415031](https://openairdocs.org/sdr/HYIA20140415031.md): Drag Brace · cracked · Feb 11, 2011 · N300SN · 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 HYIA20140415005](https://openairdocs.org/sdr/HYIA20140415005.md): Drag Brace · cracked · Jan 21, 2011 · N300SN · 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 HYIA300SNGEAR](https://openairdocs.org/sdr/HYIA300SNGEAR.md): Line · ruptured · Apr 15, 2010 · N300SN · Cessna 402C · Hydraulic System, Main > CREW REPORTED, DURING LANDING GEAR EXTENSION, NOSE GEAR DOWN AND LOCK LIGHT DID NOT ILLUMINATE. SHORTLY AFTERWARDS, BOTH HYD FLOW LIGHT ILLUMINATED. ELECTED TO GO-AROUND AND DECLARED AN EMERGENCY. CREW PERFORMED "GEAR WILL NOT EXTEND HYD CHECKLIST" AND PERFOR ## 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 = 'N300SN' AND deregistration_id = 'N300SN-2023-08-18' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N300SN-2023-08-18/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.