N550WS
Registered owner: FLORES ENTERPRISES 22 LLC, TX (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| MACH ONE AIR CHARTERS, INC. (DRFA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
HYDRAULIC FLUID NOTED IN AFT EQUIPMENT BAY. FOUND LANDING GEAR CONTROL TUBING HAD BEEN CHAFED BY AIR CYCLE MACHINE INLET FLEX DUCT.
INVESTIGATED REPORTED ENGINE ANTI-ICE SYS FAIL INDICATION. FOUND (1) HEATING ELEMENT OPEN IN RT INBD WING L/E ANTI-ICE PANEL. ALSO NOTED FAULT IN RT WING L/E ANTI-ICE JUNCTION BOX CURRENT SENSOR CS10. FURTHER TROUBLESHOOTING REVEALED THE WIRING TERMINALS, ATTACHING HARDWARE, AND ADJACENT WIRING FOR THE RT INBD WING ANTI-ICE SEVERELY CORRODED AND DAMAGED AT THE AIRFRAME GROUND POINTS GND076 AND GT006. REQUIRED REPAIR/REPLACEMENT OF THE AIRFRAME GROUND POINTS AND WIRING, REPLACEMENT OF THE CS10 CURRENT SENSOR, AND REPLACEMENT OF THE RT INBD WING L/E PANEL. DUE TO FINDINGS INSPECTED THE LT WING INBD ANTI-ICE WIRING AIRFRAME GROUND CONNECTIONS GND75 AND GND79 AND FOUND CORRODED ALSO, TO A LESSER EXTENT. REPLACED THE WIRING TERMINALS AND ATTACHING HARDWARE AS REQUIRED AT GND75 AND GND79 LT WING L/E ANTI-ICE WIRING GROUNDING CONNECTIONS. INTEGRATED ENGINE ANTI-ICE/INBD WING ANTI-ICE SYS CHECKS SATISFACTORY FOLLOWING REPAIRS. THE PHASE 5 3-YEAR/1200 HR. INSP GUIDE ITEM A531003 REQUIRES A GENERAL INSP OF TAILCONE WIRING IAW THE MM TASK CODE 53-20-04-210. THE AREAS INVOLVED ARE NOT EASILY ACCESSIBLE FOR INSPECTIONS OR REPAIRS. RECOMMEND MFG INVESTIGATE IF AN ISOLATED OCCURRENCE OR WHETHER AN ADDITIONAL SPECIFIC INSP GUIDE ITEM FOR THE INBD L/E ANTI-ICE WIRING NEEDS TO BE ADDED TO THE PHASE 5 INSP GUIDE OR INSPECTED MORE FREQUENTLY.
SHORTLY AFTER TAKEOFF, THE CO-PILOT PFD FAILED. CREW WENT TO REVERSIONARY MODE AND CONTINUED IAW CHECKLIST. UPON APPROACH WHILE ON FINAL THE PILOT SIDE PFD DISPLAY ALSO FAILED. THE CREW THEN SWITCHED PILOT INFORMATION TO THE MFD AND LANDED THE ACFT IN VFR CONDITION WITH NO ADDITIONAL PROBLEMS OR FAILURES. IT WAS LATER CONFIRMED THAT BOTH THE PFD'S WERE NOT WORKING AND THE MFD COULD BE INSTALLED IN EITHER PFD LOCATIONS AND WOULD FUNCTION NORMALLY. THE PFD'S WERE SENT OUT TO AN AUTHORIZED REPAIR FACILITY TO BE EVALUATED. IT WAS DETERMINED THAT BOTH PFD FAILURES WERE DUE TO FAILED POWER SUPPLIES INSIDE THE UNITS.