N912GW
Registered owner: MT MANAGEMENT LLC, TX (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| FIRST AV GROUP, LLC (TY2A) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
PILOT WAS TOPPING SOME WEATHER WITH INTENT TO DESCEND QUICKLY ON THE OTHER SIDE TO LAND AT AN AIRPORT CLOSE TO THE BACK SIDE OF THE WEATHER. HE WAS AT FL360 WHEN CLEARED TO DECENT AND HAD ALREADY SLOWED TO 200KTS IAS. HE THEN PULLED BOTH POWER LEVERS BACK TO CLOSE TO THE IDLE POSITION AND STARTED HIS DESCENT. SHORTLY THEREAFTER HE GOT A OIL PRESSURE MASTER WARNING. HE CHECKED THE ENGINE GAUGES AND NOTICED THE RH ENGINE WAS NOT RUNNING. HE RAN THE APPROPRIATE ENGINE SECURING CHECKLIST AND THEN THE ENGINE RE START CHECK LIST AND THE ENGINE RESTARTED AND OPERATED NORMALLY FOR THE REMAINDER OF THE FLIGHT. OUR DOM DOWNLOADED THE FADEC DATA AND SENT THE DATA FILE TO THE ENGINE MANUFACTURES TECH SUPPORT ENGINEERS. AFTER READING THE DATA WILLIAMS ENGINES IS SENDING ONE OF THEIR AUTHORIZED TECHNICIANS TO FURTHER TROUBLE SHOOT WHAT MIGHT HAVE CAUSED THIS EVENT.
DURING DECENT FROM CRUISE ALTITUDE, CABIN STARTED CLIMBING AT 2800 FPM. INITIATED A STEEP DESCENT WHILE SELECTING LT, RT, AND EMERGENCY BLEED TO STOP CABIN FROM CLIMBING. CABIN ALTITUDE REACHED 14,000 FT BEFORE THE ACFT DID AND THE PASSENGER MASK DEPLOYED. SHORTLY AFTER THE ACFT LEVELED OFF AT 10,000 FT. AT ARRIVING AT 10,000 FT, PILOTS NOTICED THAT THE ACFT HAD RE-PRESSURIZED. PLAYED WITH BLEED SELECTOR VALVE AND CABIN ALTITUDE CONTROLLER AND COULD NOT GET ACFT TO RECREATE THE PROBLEM. CONTINUED ON FOR NORMAL LANDING. COULD NOT DETERMINE WHY THE DEPRESSURIZATION OCCURRED. COULD HAVE BEEN A MOMENTARY ELECTRICAL FAULT IN CONTROLLER OR BLEED SELECTOR SWITCH. FLEW ACFT HOME AT A LOWER ALTITUDE FOR SAFETY REASONS. PILOT WAS UNABLE TO DUPLICATE THE PROBLEM. ACFT HAS FLOWN A MULTIPLE TRIPS SINCE THE UNCOMMANDED DEPRESSURIZATION WITH NO PROBLEMS NOTED. FURTHER DISCUSSIONS WITH MFG TECH-SUPPORT HAVE LEAD US TO BELIEVE THAT IT MIGHT HAVE BEEN THE BLEED SELECTOR SWITCH IN THE COCKPIT, CLOSING THE ENGINE BLEED VALVES WITHOUT A COMMAND FROM THE PILOT, THAT WAS THE CULPRIT. WE ARE PRECAUTIONARY CHANGING THAT BLEED SWITCH.