N855UP
Registered owner: WHEELS UP PARTNERS LLC, NY (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| CIRCADIAN AVIATION LLC (O2GA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
NO LEFT BRAKE PRESSURE ON LANDING - PERFORMED VISUAL INSPECTION OF LH BRAKE PLUMBING CHECKING FOR LEAKS WITH NO LEAKS NOTED. VERIFIED HYDRULIC BRAKE RESERVOIR WAS FULL. BLED BRAKES IAW AMM 32-40-01 OPS CHECK GOOD.
ON LANDING UNSAFE LEFT GREEN MAIN LANDING GEAR INDICATION DID NOT ILLUMINATE, AND LDG GR HANDLE RED LIGHTS ILLUMINATED). BEGAN TO CLIMB AND RED LIGHTS EXTINGUISHED INDICATING GEAR DOWN . LANDING WAS UNEVENTFUL. MAINTENANCE ADJUSTED THE LEFT MAIN GEAR DOWN AND LOCK SWITCH. GROUND OPS CHECKS GOOD. SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.
AUTOPILOT MISTRIM (E) ILLUMINATED AT FL310 AFTER START OF DESCENT. MANUAL PITCH TRIM WAS FROZEN. BEGAN WORKING AFTER DESCENDING INTO WARMER ALTITUDE FL120. MAINTENANCE REPLACED THE LEFT AND RIGHT PITCH TRIM ACTUATORS. REMOVED ACTUATORS SENT FOR EVALUATION. A SUCCESSFUL OPS CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.
POWER SPLIT IN THE THROTTLE LEVERS. WHEN REDUCING POWER RT ENG TORQUE INDICATIONS LAG BEHIND LT ENG BY 5 - 10%. R & R THE RT ENG FUEL CONTROL, RT STARTER GEN ALSO REMOVED FOR VIBE ANALYSIS. SUCCESSFUL GND HEAT & OPERATIONAL CHECK FLIGHT PERFORMED. ACFT WAS RTS. RT STARTER GEN OFF PN 23085-001 & SN P2957, 243.6 TTSN & 218 TCSN. FCU PART DETAILS BELOW.
ELEVATOR TRIM FROZE INFLIGHT AT CRUISE ALTITUDE. DURING DESCENT ELEVATOR TRIM OPERATES NORMAL. LUBRICATED THE LT & RT ELEVATOR TRIM JACKS. ELEVATOR TRIM OPERATIONAL CHECKS WERE GOOD. ACFT WAS FERRIED TO THE MFG SERVICE CENTER FOR FURTHER EVALUATION DUE TO REPEAT WRITE UP. REPLACED THE LT & RT ELEVATOR TRIM ACTUATORS. OPERATIONAL CHECKED GOOD. ACFT WAS RTS. LT TRIM ACTUATOR OFF PN 130-524052-17 & SN 52170245-002. RT TRIM ACTUATOR OFF PN 130-524052-19 & SN 52201053-001.
ELEVATOR TRIM ELEC & MANUAL JAMMED IN FLIGHT. INSPECTED & LUBED THE LT & RT ELEVATOR TRIM TAB ACTUATORS. OPERATIONS CHECKED OK. ACFT RTS. NO OCCURRENCE SINCE ACFT WAS RTS.
AFTER REPLACING THE NR 3 & 4 WHEEL & TIRE ASSEMBLIES DUE TO FLAT SPOTTING, WHEELS WERE NOT SPINNING FREELY DUE TO POSSIBLE DEFECTIVE BRAKE ASSEMBLIES. BOTH RT BRAKE ASSEMBLIES WERE REPLACED. TAXI CHECKS PERFORMED WITH NO DEFECTS NOTED. ACFT WAS RTS.