N447DB
Registered owner: GUARDIAN FLIGHT LLC, TX (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Guardian Flight, LLC. (G1IA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
5 reports on file, 2011-07-02 – 2025-08-30.
Part: MOTOR — FAILED (ZONE 100) · airframe 8,458 hrs · 10,042 cycles
AC AIR SEEMED TO BE PUTTING OUT AMBIENT OAT. 10 MINUTES LATER THE VENT DUCT AIR STOPPED BLOWING AIR. I NOTICED CB HAD POPPED (TEMP CB). I PUSHED BACK IN AND POPPED AGAIN. I TURNED CABIN CONTROLLER FROM AUTO TO OFF. PUSHED CB BACK IN AND FAN STARTED WORKING (VENT BLOWER ON HIGH). I TRIED A/C IN AUTO ON GROUND ON CB POPPED AGAIN.
Part: DOWNLOCK SWITCH — INTERMITTENT (ZONE 700) · airframe 7,426 hrs · 8,626 cycles
DID NOT RECEIVE A LEFT MAIN LANDING GEAR INDICATION WHEN LANDING GEAR SELECTED DOWN. CYCLED LANDING GEAR UP AND BACK DOWN. LEFT MAIN STILL DID NOT SHOW A DOWN INDICATION. WHILE WORKING THROUGH THE LANDING GEAR EMERGENCY EXTENSION CHECKLIST, LEFT MAIN INDICATION BEGAN TO FLICKER AND THEN REMAINED ILLUMINATED.
Part: FCU — BINDING (LT ENGINE) · airframe 5,982 hrs · 6,742 cycles
UNCOMMANDED VARIATIONS IN #1 ENGINE POWER WITHOUT MOVEMENT OF THE POWER LEVER. REMOVED FUEL CONTROL UNIT AND BENCH CHECKED. FOUND FCU DRIVESHAFT TO BE BINDING INTERNALLY. REPLACED FUEL CONTROL UNIT, NO FURTHER DISCREPANCIES NOTED.
Part: ADAPTER — FUMES (OUTLET) · airframe 5,207 hrs · 5,662 cycles
CIRCULATION OF SMOKE FUMES IN COCKPIT DURING CRUISE. PILOT OBSERVED USB CHARGING ADAPTER PLUGGED INTO CIGARETTE LIGHTER QUIT WORKING AROUND THE SAME TIME. AIRCRAFT RETURNED TO DEPARTURE AIRPORT AND MADE A PRECAUTIONARY LANDING WITHOUT INCIDENT. AMT INSPECTED AIRCRAFT FOR SOURCE OF FUMES AND IT WAS APPARENT THAT A USB CHARGING ADAPTER PLUGGED INTO THE AIRCRAFT CIGARETTE LIGHTER BASE WAS THE ORIGIN. CIGARETTE LIGHTER BASE, WIRING, CIRCUIT BREAKER, AND SURROUNDING STRUCTURE WERE ALL INSPECTED FOR DAMAGE AND FUNCTIONALITY, WITH NO DEFECTS NOTED. THE USB ADAPTER APPEARED TO HAVE FAILED INTERNALLY, CAUSING EXCESSIVE HEAT AND SUBSEQUENT EMISSION OF FUMES INTO THE COCKPIT.
Part: BLOWER — SEIZED (CABIN AIR) · airframe 1,750 hrs · 1,448 cycles
CABIN VENTILATION BLOWER MOTOR SEIZED CAUSING SMOKE IN COCKPIT AND MELTING OF OUTER HYD BRAKE LINE PLASTIC CHAFE PROTECTION SLEEVING; LINE FOUND RESTING ON MOTOR. CIRCUIT PROTECTION (CURRENT LIMITER-30 AMP) DID NOT OPEN POSSIBLY DUE TO BLOWER SELECTED TO "LOW" POSITION.