N131AJ
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| REVA, INC. (O2JA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
CABIN ALTITUDE STARTED RISING AT 1000 FAM AT FL 430 IN CRUISE. TRIED TO STABILIZE CABIN ALTITUDE MANUALLY USING CHERRY-PICKER BUT TO NO AVAIL. FORCED TO PERFORM EMER DESCENT AND DECLARE EMERGENCY.
WHILE CLIMBING TO ALTITUDE THE CABIN ALT WAS STILL CLIMBING AT 700 FT/MIN. LEVELED ALT AT 390 & THIS SHOWED NO CHANGE IN CABIN ALT, TRIED TO CHERRY PICK THE CABIN DOWN WHICH ALT HAD NO EFFECT. FL350 WAS THE LOWEST ATC COULD ASSIGN US SO WE STARTED A DESCENT, ONCE AT 350, THE CABIN LIGHT CAME ON (THE CABIN WAS STILL CLIMBING). STARTED EMERGENCY DESCENT. ALL CREW ARRIVED SAFELY BACK TO BASE.
CRUISING AT FL390, A LOUD THUD & BANG WAS HEARD BY THE COPILOT AND PILOT. IMMEDIATELY NOTICED THE CABIN VSI PEGGED AT 6000 FPM. EMERGENCY DESCENDED TO 10000 FT. ATC DECLARED AN EMERGENCY AND THE ACFT TURNED BACK. COULD NOT GET THE CABIN IN AUTO NOR MANUAL MODE.
WHEN THE AUTOPILOT IS ENGAGED IN THE SPEED, ALTITUDE OR NAV MODE THE ACFT NOSE PITCHED UP IN ATTITUDE WITH NO MANUAL INPUT OR CONTROLLED COMMAND GIVEN FOR NOSE UP. THE AUTOPILOT NOSE PITCH UP IN ATTITUDE OCCURRED FOUR TIMES AT FLIGHT LEVEL 8,000 FEET, 21,000 FEET, 32,000 FEET & 36,000 FEET.
PILOT'S FIRST REPORT, AFTER START, SEC INV LIGHT CAME ON. RESET THE SWITCH TWICE & THE LIGHT WENT AWAY. FOUND LOWER CONNECTOR UNSEATED. CLEANED CONNECTOR & RESEATED. OPERATIONS CHECKED GOOD. PILOT'S SECOND REPORT, AFTER TAKEOFF AT FL 350, ACFT SPIKED TO 140 - 150 VOLTS & A SUDDEN CHANGE IN AUTOPILOT PITCH. TURNED SEC INV OFF, VOLTAGE WENT BACK TO 120V, INV LIGHT CAME ON. R & R SECONDARY INVERTER, OPERATIONS CHECKED GOOD. AUTOPILOT ALSO CHECKED GOOD. NO REPEATS AFTER INVERTER REPLACEMENT.
PILOT REPORTED A VOLTAGE SPIKE FOR THE SECONDARY INVERTER INDICATOR.
PNEUMATIC SHUTOFF MODULATING VALVE FAILURE RESULTING IN DEPRESSURIZATION OF ACFT IN FLIGHT.