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N401SX

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Cessna 402C · Continental TSIO-520 series

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Registered owner
Hyannis Air Service Inc
Location
Hyannis, MA
Owner type
Corporation
Serial number
402C0447
Type
Fixed wing multi engine
Engine
Reciprocating
Airworthiness
Standard, normal
Airworthiness date
February 3, 1995
Certificate issued
July 9, 2013
Expires
July 31, 2029
Mode S code
A4B1FE
Cessna 402CAirframe model · 10 seats · 2 engines · 115 registeredTCDS A7CEAirframe · Cessna 402CTCDS E8CEEngine · Continental TSIO-520 series

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Continental TSIO-520 model are included below.

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Airworthiness directives that may apply · 79

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

1969In forceSuperseded2026
See all 95 ADs

Information bulletins that may apply · 24

Advisory, not mandatory.

See all 25 bulletins

NTSB investigations

No NTSB investigations matched to N401SXMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Cessna 402C aircraft

FAA incident reports · 1

FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.

Incident 19960220006419ILevel Off Touchdown · Caldwell, NJNarrative: N401SX struck deer on runway during landing. The right wheel assembly and lower strut broke off. During final on runway 22, just before touch down, a small herd of deer ran in front of aircraft. The pilot pulled up in an attempt to "balloon," over…Feb 20, 1996 · No damage

Service difficulty reports · 5

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

SDR HYIA20230901001Beam · crackedDURING MAINTENANCE A CRACK WAS VISUALLY IDENTIFIED ON THE RIGHT HAND CROSSOVER BEAM (OEM P/N: 5654104-12) OF N401SX (402C0447). THIS CRACK IS LOCATED ON THE AFT FACE OF THE BEAM, COMMON TO THE TOP OUTBOARD BOLT HOLE FOR THE TURBOCHARGER SUPPORT BRACKET. THIS CAug 30, 2023 · N401SX · Cessna 402C · Nacelle/Pylon, Main FrameSDR HYIA20151124002Fuel Line · leakingPILOT REPORTED STRONG FUEL ODOR IN CABIN. INSPECTED THE HEATER FUEL SYS & FUEL LINES, FOUND THE RT HEATER FUEL LINE LEAKING. TORQUED HEATER FUEL LINES & LEAK CHECKED WITH NO FURTHER DEFECTS NOTED.Nov 21, 2015 · N401SX · Cessna 402C · Heating SystemSDR 8PCR20150910001Bolt · shearedCRANKSHAFT CLUSTER GEAR BOLTS, PN 536379, HAD SHEARED ALLOWING THE DISENGAGEMENT OF THE LARGE GEAR THAT COUPLES WITH THE STARTER ADAPTER SHAFT-GEAR. THE ENG WAS NOT IN COMPLIANCE WITH SERVICE BULLETINS SIL06-3 & SB13-6, WHICH RECOMMEND REPLACEMENT OF THE GEARSep 9, 2015 · N401SX · Cessna 402C · Reciprocating Engine Power SectionSDR HYIA20150911001Bolt · severedON PREFLIGHT, PILOT REPORTED THE RT NACELLE, LG, FLAP & WING WERE OIL SOAKED & PUDDLES OF OIL UNDER THE WING. INSPECTED & FOUND THE SCAVENGE PUMP DRIVE GEAR BOLTS SEVERED. REPLACED THE RT ENG WITH NO FURTHER DEFECT NOTED. ENG WAS SENT OUT FOR TEAR DOWN.Aug 20, 2015 · N401SX · Cessna 402C · Reciprocating Engine Oil SystemSDR P77A9700183Elbow · no threadsPILOT REPORTED DURING FLIGHT, RT MAP STARTED DROPPING. PILOT GOT WORRIED, SHUT DOWN RT ENGINE AND FEATHERED PROPELLER. INVESTIGATION FOUND ELBOW ON INDUCTION TUBE FOR MAP GAUGE BLEW OUT. FIRST 5 THREADS OF ELBOW MISSING, REPLACED ELBOW. GROUND RUNS. ALL OJul 4, 1997 · N401SX · Cessna 402C · Manifold Pressure (MP) Indicating

STCs that may be installed · 321

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.

See all 321 STCs