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N678DB

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1975 Cessna 421B · Continental GTSIO-520-C

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Registered owner
Golden Eagle Flight LLC
Location
Farmington, UT
Owner type
LLC
Serial number
421B0876
Year built
1975
Type
Fixed wing multi engine
Engine
Reciprocating
Airworthiness
Standard, normal
Airworthiness date
March 3, 1975
Certificate issued
November 26, 1996
Expires
March 31, 2029
Mode S code
A8F9BD
Cessna 421BAirframe model · 8 seats · 2 engines · 225 registeredTCDS A7CEAirframe · Cessna 421BTCDS E7CEEngine · Continental GTSIO-520-C

From the FAA registry file of October 24, 2026.

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Airworthiness directives that may apply · 55

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

1972In forceSuperseded2026
See all 63 ADs

Information bulletins that may apply · 15

Advisory, not mandatory.

See all 16 bulletins

NTSB investigations

No NTSB investigations matched to N678DBMatched 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 421B aircraft

FAA incident reports

No FAA accident or incident reports matched to N678DBMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Cessna 421B aircraft

Service difficulty reports · 6

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

SDR 2022FA0000351Magneto · defectiveLOSS OF 5 INCHES OF MP AT FL 240 AND INFLIGHT INVESTIGATION SHOWED A ROUGH RUNNING RH MAGNETO. DISCOVERY OF A DEFECTIVE SPARK PLUG LEAD (SEE OTHER SDR) ON A 25 HR TTSN CHAMPION SPARK PLUG HARNESS LED WITH 25 HRS TTSN SPARK CHAMPION RHB32E SPARK PLUGS LED US Jul 14, 2022 · N678DB · Cessna 421B · Magneto/DistributorSDR 2012FA0000596Clamp · crackedTURBOCHARGER TURBINE TO TAILPIPE V BAND CLAMP, FOUND TO HAVE A 3" LONG CRACK ALONG THE OUTER PERIMETER OF THE V BAND. CRACK SEPARATION WAS LESS THAN .0625" AT THE WIDEST POINT. THIS IS NOT A MULTI-SEGMENT V BAND. NO EXHAUST LEAK EVIDENT. DISCOVERED DURING Aug 24, 2012 · N678DB · Cessna 421B · Exhaust TurbochargerSDR 2006FA0000002Circuit Breaker · corrodedAVIONICS MASTER CIRCUIT BREAKER SWITCH FOUND INTERMITTENT DURING COMPLIANCE WITH AD 2005-20-05, MEB05-1. PN 593-240-101 NOT FOUND IN MFG PARTS MANUAL BUT THIS WAS CLEARLY THE ORIGINAL FACTORY INSTALLED CB. PROBLEM NR1, INTERNAL COMPONENTS OF CB HAD SEVERE CJan 4, 2006 · N678DB · Cessna 421B · Electrical Power System WiringSDR 2004FA0000927Bracket · misinstalledCOMPLIED WITH MFG MEB 00-4 RUDDER BEARING INSPECTION/REPLACEMENT. FOUND RUDDER LOWER HINGE BEARING BRACKET INSTALLED UPSIDE DOWN FROM FACTORY. REPLACEMENT PROCEDURE DESCRIBED IN MEB FOUND ERRONEOUS AND INADEQUATE TO COMPLETE SATISFACTORY REPLACEMENT OF BRACKDec 21, 2004 · N678DB · Cessna 421B · Rudder Control SystemSDR 99ZZZX3654Adapter · failedJUST AFTER TAKEOFF, PILOT NOTICED OIL COMING OUT OF THE RIGHT ENGINE COWL AND RETURNED TO THE AIRPORT. OIL WAS FOUND COMING FROM THE STARTER DRIVE ADAPTER DAMPER. ENGINE WAS REMOVED AND SENT TO OVERHAUL FACILITY. ON TEAR-DOWN THE ADAPTER BEARING WAS FOUND TSep 9, 1999 · N678DB · Cessna 421B · Engine CrankingSDR 98ZZZX3443Valve · mismanufacturedDURING A PHASE INSPECTION, FOUND RIGHT ENGINE NR 5 CYLINDER LOW COMPRESSION 20/80, LEAKING BY INTAKE VALVE. REMOVED CYLINDER AND FOUND INTAKE VALVE HAD APPROXIMATELY .005 INCH RIDGE COMPLETELY AROUND VALVE ABOVE SEAT. SUSPECT VALVE WAS NOT PROPERLY HARDENED Sep 4, 1998 · N678DB · Cessna 421B · Reciprocating Engine Cylinder Section

STCs that may be installed · 279

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

See all 279 STCs