N40FC
Registered owner: BLUE MOUNTAIN SKY LLC, LA (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| AIR TREK, INC. (FDIA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
WHILE ENROUTE, CREW NOTED "AFT J-BOX CB" ANNUNCIATOR ILLUMINATED DURING CRUISE. AFTER MAKING AN UNEVENTFUL LANDING, MX WAS NOTIFIED. MX GAINED ACCESS TO MAIN ELECTRICAL J-BOX AND FOUND LEFT FAIRING HEATER CIRCUIT BREAKER TRIPPED AT AUXILIARY DC J-BOX. CIRCUIT BREAKER WAS RESET, APPLIED BATTERY POWER TO ACFT AND TURNED ON WING AND ENGINE ANTI-ICE FOR FIVE SECONDS, VERIFIED INLET SCOOP AND WING CUFF WERE GETTING HOT AND THEN POWERED SYSTEM DOWN. REINSTALLED ALL ITEMS REMOVED FROM BAGGAGE INTERIOR. ACFT WAS THEN RETURNED TO SERVICE.
AFTER TAKEOFF, SELECTED "FLAPS UP", FLAPS RETRACTED AS INDICATED. NOTICED "FLAP INOP" ANNUNCIATOR ILLUMINATED. FOLLOWED CHECKLIST TO RESET FLAP SYS BUT COULD NOT RESET THE FLAPS. RETURNED AND PERFORMED A ZERO FLAP LANDING. MX INSPECTED FLAP CONTROLLER BITE INDICATIONS, CONTROLLER INDICATED BITE NR 5. IAW THE MM, MAIN J-BOX WAS OPENED AND FOUND THE FL23 CURRENT LIMITER TO BE BLOWN. INSTALLED A NEW CURRENT LIMITER AND PERFORMED OPS CHECK OF THE FLAP SYS. OPS CHECKED GOOD, ACFT WAS RELEASED BACK TO SERVICE.
WHILE IN FLIGHT, FLIGHT CREW NOTICED HYD LEVEL LOW ANNUNCIATOR ILLUMINATED. AFTER FOLLOWING THE CHECK LIST PROCEDURES, THE FLIGHT CONTINUED WITH NO ADVERSE EFFECTS, ALL SYS OPERATED NORMALLY. AFTER LANDING, A POST FLIGHT INSP REVELED HYD FLUID DRIPPING FROM THE BOTTOM OF THE ACFT. MX WAS NOTIFIED, AND A MX TEAM WAS DISPATCHED. UPON ARRIVING, THE RESERVOIR WAS SERVICED FULL, AND AFT ENGINES WERE STARTED. A HYD LEAK WAS IMMEDIATELY EVIDENT AT THE APU HYD ISOLATION VALVE, AND THE ENGINES WERE SHUTDOWN. AFTER THE ISOLATION VALVE WAS REMOVED, THE SEAL AROUND THE VALVE BODY CAP WAS FOUND TO BE DISPLACED AND THE CAP SCREWS BROKEN AND BENT. IT APPEARS THAT THE KNIFE BLADE HAD BEEN OFF-SET BY AN UNKNOWN FORCE THAT CAUSED IT TO TRAVEL OUTSIDE THE NORMAL ACTUATOR TRACK AND PUNCH THROUGH THE SIDE OF THE VALVE, DISPLACING THE SEAL, BENDING THE CAP AND BREAKING THE SCREWS. PRESSURE GAUGES WERE INSTALLED AT VARIOUS POINTS IN THE RT SYS (THE SYS THAT TIES TO THE APU) AND ENGINES WERE RUN. IT WAS DISCOVERED THAT A CHECK VALVE HAD FAILED. THE HYD SHOUT-OFF VALVE AND CHECK VALVE WAS THEN REPLACED, SYS BLED AND A SERIES OF GROUND RUNS PERFORMED FOR OPS AND LEAK CHECKS. NO ANOMALIES WERE NOTED AND THE ACFT WAS THOROUGHLY CLEANED AND RETURNED TO SERVICE.
AS THE FLIGHT CREW TAXIED TOWARDS THE RUNWAY, THEY NOTICED RT ENGINE "FUEL COMPUTER MANUAL" LIGHT ILLUMINATED. CREW RETURNED TO THE HANGER AND NOTIFIED MX. MX PERSONNEL DOWNLOADED AND CLEARED DEECS' AND FOUND CODES 2,237, AND 242. CHECKED N1 RESISTANCE AND INSULATION RESISTANCE CHECKS, NO DEFECTS NOTED. SWAPPED DEECS'. PERFORMED ENGINE GROUND RUN AND OPS CHECK OF DEECS', NO DEFECTS NOTED. ACFT RETURNED TO SERVICE.
AFTER LANDING, FLIGHT CREW OPENED THE BAGGAGE DOOR AND DISCOVERED STRONG FUEL ODOR ALONG WITH THE BAGGAGE WET WITH FUEL. MX WAS NOTIFIED AND DISCOVER THE LT ENGINE MAIN FUEL PRESSURE SWITCH LEAKING. INSTALLED NEW FUEL PRESSURE SWITCH AND NEW O-RING FROM IAW M/M. PERFORMED LEAK AND OP'S CHECK, NO OTHER DEFECTS WERE NOTED.
PRIMARY TRIM ANNUNCIATOR COMES ON INFLIGHT. SECONDARY TRIM FAIL LIGHT ILLUMINATES ALSO AND STAB TRIM WILL NOT MOVE. TROUBLESHOT STABILIZER SYSTEM; FOUND HORIZONTAL STABILIZER ACTUATOR CONTROL UNIT DEFECTIVE. REPLACED AS REQUIRED; PERFORMED FUNCTIONAL CHECK FLIGHT; NO DEFECTS NOTED.