N989ST
Registered owner: SIX COLUMNS AVIATION LLC, TX (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| ADDISON JET MANAGEMENT INC (I5JA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
THE FLIGHT CREW REPORTED THAT THE ENGINES WOULD ONLY START WHILE ON EXTERNAL POWER. THE MAINTENANCE TROUBLESHOT AND FOUND THAT THE GROUND POWER SUPPLY CABLE FOR THE GROUND CONTACTOR RELAY WAS CHAFING AND ARCING ON AN ADJACENT BUSS-BAR STRAP. BOTH THE CABLE AND STRAP WERE DAMAGED ALONG WITH THE GROUND CONTACTOR. ALL THREE ITEMS WERE REPLACED WITH NEW AND THE CABLE WAS REPOSITIONED TO PREVENT FURTHER DAMAGE. OPS CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS RETURNED TO SERVICE
NUMBER 1 AC INVERTER FAILED DURING DESCENT. TROUBLE SHOT AC SYS & FOUND THE NR 1 INVERTER DROPPING OFF LINE DUE TO BUSS TIE CONTACTOR OPENING. REMOVED THE DEFECTIVE BUSS TIE CONTACTOR PN LDA150-A8C SN 1220, INSTALLED AN OVERHAULED UNIT.
CREW REPORTED THAT THE STAND-BY FLIGHT DISPLAY FAILED DURING DESCENT. THE DEFECTIVE UNIT WAS REMOVED & A REPAIRED UNIT WAS INSTALLED & WAS FOUND TO BE DEFECTIVE, THIS UNIT WAS REMOVED. THE ORIGINAL UNIT PN 33508-10-03, SN M004659 WAS DISPATCHED FOR REPAIRS & THEN REINSTALLED. FUNCTIONAL CHECKED SATISFACTORY.
DURING PAX DEPARTURE FROM ACFT THE CABIN DOOR HAND RAIL BROKE WHILE A PAX WAS ON DOOR STEP NEARLY CAUSING THE PAX TO FALL FROM STEPS, PN 25FC6933-1. THERE IS A STEEL TUBE OPTION FOR THE RAILING IT HAS NOT BEEN AVAILABLE.
THE FLIGHT CREW REPORTED THAT THE RT SIDE HSI WAS FAILING DURING FLIGHT. TROUBLESHOOTING IDENTIFIED THAT THE RT SIDE SYMBOL GEN WAS DEFECTIVE, SN 96051282 & WAS REPLACED WITH A REPAIRED UNIT. FUNCTIONAL CHECKS WERE SATISFACTORY & THE ACFT WAS RETURNED TO SERVICE.
FLIGHT CREW REPORTED THAT DURING FLIGHT THE "HYD 1 LO PRESS" ANNUNCIATOR ILLUMINATED. TROUBLESHOOTING IDENTIFIED THE NR 1 HYD PRESSURE SWITCH DEFECTIVE. INSTALLED NEW SWITCH. FUNCTIONAL AND LEAK CHECKS SATISFACTORY.