N842LA
Registered owner: TRIBAL AVIATION LLC, CA (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| MD HELICOPTER SYSTEMS | Operator | on 1996-10-17 | Operator named in NTSB report |
Accident & incident history
Operated by MD HELICOPTER SYSTEMS (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.
9 reports on file, 1998-04-06 – 2011-03-08.
Part: ENGINE — MAKING METAL · airframe 16,234 hrs
DURING TAKEOFF THE PILOT EXPERIENCED AN ENGINE CHIP LIGHT AND RETURNED FOR LANDING. MX FOUND SMALL CHIPS ON THE LOWER ENGINE PLUG AND A SLIVER ON THE UPPER PLUG. THE ENGINE WAS REMOVED FROM THE ACFT AND SENT TO SERVICE FOR MX.
Part: OIL SYSTEM — WARNING LIGHT (ENGINE) · airframe 16,223 hrs
DURING A TOUR FLIGHT, THE PILOT GOT A ENGINE CHIP LIGHT INDICATION. THE PILOT PERFORMED AN UNEVENTFUL UNSCHEDULED LANDING. THE MX DEPARTMENT WAS DISPATCHED AND FOUND A METAL SLIVER ON THE UPPER ENGINE CHIP PLUG THAT WAS CAUSING THE LIGHT. BOTH UPPER AND LOWER PLUGS WERE INSPECTED AND CLEANED. A GROUND RUN WAS PERFORMED WITH NO CHIP LIGHT. THE PLUGS WERE INSPECTED AGAIN AND FOUND CLEAN. THE ACFT WAS RETURNED TO SERVICE.
Part: TRANSMISSION — MAKING METAL (MAIN ROTOR) · airframe 16,041 hrs
PILOT EXPERIENCED A MAIN ROTOR TRANSMISSION CHIP LIGHT DURING TAKEOFF. THE PILOT RETURNED TO LANDING WITH NO INCIDENT. MECHANICS VERIFIED CHIP LIGHT AND FOUND ONE .1250 INCH SLIVER ON THE LOWER PLUG AND A .0625 INCH SLIVER ON THE UPPER PLUG. WHEN DRAINING THE TRANSMISSION AND COOLER A GOOD AMOUNT OF METAL WAS COLLECTED FROM THE COOLER LOCATION. THE ACFT WAS REMOVED FROM SERVICE AT THIS POINT FOR A TRANSMISSION CHANGE.
Part: TRANSMISSION — MAKING METAL (MAIN ROTOR) · airframe 16,041 hrs
PILOT EXPERIENCED A MAIN ROTOR TRANSMISSION CHIP LIGHT DURING TAKEOFF. THE PILOT RETURNED TO LANDING WITH NO INCIDENT. MECHANICS VERIFIED CHIP LIGHT AND FOUND ONE .1250 INCH SLIVER ON THE LOWER PLUG AND A .0625 INCH SLIVER ON THE UPPER PLUG. WHEN DRAINING THE TRANSMISSION AND COOLER A GOOD AMOUNT OF METAL WAS COLLECTED FROM THE COOLER LOCATION. THE ACFT WAS REMOVED FROM SERVICE AT THIS POINT FOR A TRANSMISSION CHANGE.
Part: TURBINE — DAMAGED (ENGINE) · airframe 15,939 hrs
AT ENGINE SHUTDOWN AFTER LAST FLIGHT OF THE DAY THE MECHANIC HEARD A TURBINE RUB NOISE IN THE ENGINE ASSY. ACFT WAS REMOVED FROM SERVICE FOR MX.
Part: ENGINE — MAKING METAL · airframe 15,737 hrs · 2,430 cycles
ON APPROACH TO LANDING PILOT HAD AN ENGINE CHIP WARNING LIGHT. THE PILOT LANDED THE ACFT AND THE LIGHT REMANED ILLUMINATED. MX FOUND METAL PARTICLES AND PASTE ON THE LOWER AND UPPER ENGINE CHIP PLUGS. THE ENGINE WAS REMOVED FROM THE ACFT.
Part: WARNING LIGHT — FALSE ACTIVATION (ENG CHIP DETECT) · airframe 15,449 hrs
PILOT EXPERIENCED AN ENGINE CHIP LIGHT DURING A TOUR FLIGHT AND PROCEEDED TO LAND AT AN OFFSITE AIRPORT. MX ARRIVED ON SCENE AND FOUND THAT THE LIGHT WAS NO LONGER ON. THE MECHANIC INSPECTED UPPER AND LOWER ENGINE CHIP DETECTORS AND FOUND NO EVIDENCE OF METAL. WIRING AND CONNECTOR PLUGS WERE INSPECTED BUT PROBLEM COULD NOT BE DUPLICATED. ACFT WAS RETURNED TO SERVICE
Part: ENGINE — MAKING METAL · airframe 15,436 hrs · 2,428 cycles
PILOT EXPERIENCED AN ENGINE CHIP LIGHT DURING FLIGHT AND PERFORMED AN UNSCHEDULED LANDING AT AIRPORT. THE AIRCRAFT WAS TRANSPORTED BY TRUCK TO ITS HOME BASE. THE ENGINE ASSEMBLY WAS REMOVED FROM AIRCRAFT FOR INSPECTION BY ROLLS ROYCE TECHNICIAN.
Part: DRIVE SPLICE — DISCONNECTED (GOVERNOR)
THE ENGINE RPM BECAME UNSABLE. REMOVED GOVERNOR, FOUND RETAINING RING, RING RETAINER, AND SHIM MISSING FROM SHAFT.