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
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
6 reports on file, 2013-09-06 – 2016-08-03.
Part: POWER CABLE — CHAFED · airframe 5,879 hrs · 4,838 cycles
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
Part: CONTACTOR — FAILED (ELECTRICAL SYS) · airframe 5,000 hrs · 4,206 cycles
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.
Part: DISPLAY — FAILED (COCKPIT) · airframe 4,769 hrs · 4,046 cycles
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.
Part: HAND RAIL — BROKEN (PAX DOOR) · airframe 4,532 hrs · 3,897 cycles
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.
Part: SYMBOL GENERATOR — FAILED (COCKPIT) · airframe 4,507 hrs · 3,878 cycles
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.
Part: PRESSURE SWITCH — DEFECTIVE (HYD SYSTEM) · airframe 4,393 hrs · 3,801 cycles
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.