N6672D
Registered owner: COLUMBIA HELICOPTERS INC, OR (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| USDA Forest Service | Operator | on 1990-08-04 | Operator named in NTSB report |
| NEW YORK AIRWAYS INC | Operator | on 1964-09-10 | Operator named in NTSB report |
Accident & incident history
Operated by USDA FOREST SERVICE (per NTSB report)
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.
1 report on file, 2006-04-19.
Part: LOCK NUT — FAILED (PWR TURBINE) · airframe 49,799 hrs
UPON RECEIPT OF ENGINE FOR MAINTENANCE, IT WAS DISCOVERED THAT THE POWER TURBINE LOCKNUT HAD LOST TORQUE AND BACKED OFF OF THE POWER TURBINE TIE BOLT. THE PROBABLE CAUSE WAS LOSS OF TORQUE. A SPECIAL INSPECTION WAS INITIATED TO INCLUDE INSPECTING RUN-ON TORQUE. A SPECIAL INSPECTION WAS INITIATED TO INCLUDE INSPECTING RUN-ON TORQUE AND PERFORMING AN NDT INSP OF ALL LOCKNUTS IN INVENTORY AND THOSE UNDERGOING MAINT. ALL LOCKNUTS CURRENTLY INSTALLED ON AC WILL BE REPLACED AND THOSE LOCKNUTS WILL BE RETURNED TO REPAIR STA FOR INSP. MFG WILL BE NOTIFIED OF INCIDENT IMMEDIATELAY. (K)