N58HJ
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Eagle Helicopters, Inc. (HEAA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
IT WAS NOTED DURING OPERATION, ENGINE EGT WAS OBSERVED TO BE ABOVE NORMAL. UPON TEARDOWN OF HOT SECTION, THE FIRST STAGE TURBINE NOZZLE OUTER SHROUD WAS FOUND SEVERELY CRACKED. (X)
FOLLOWING DISASSEMBLY OF ENGINE FOR METAL CONTAMINATION, DISCOVERED 2 EACH OF THE LOCKCUPS HAD FAILED. CUPS CRACKED AND SPLIT AT THE LOCKING TANGS WHICH ENGAGE THE PLANETARY GEARSHAFTS. THE RETAINING NUTS WHICH THE LOCKCUPS RETAIN, REMAINED IN PLACE AND THE PIECES OF THE LOCKCUPS WERE FOUND IN THE SCAVENGE SCREEN OF THE ACCESSORY DRIVE GEARBOX AND LAYING IN THE OUTPUT REDUCTION GEARBOX.
WHILE CARRYING OUT OPERATIONS ON THE AFTERNOON OF 10-23-97, PILOT REPORTED INCREASE OF VIBRATION WHILE IN-FLIGHT RETURNING TO LANDING SITE. AIRCRAFT WAS SHUT DOWN. ON EXAMINATION OF TAIL ROTOR, INSIDE PART OF TIP WAS FOUND MISSING. NO OTHER DAMAGE WAS APPARENT AND SUBSEQUENT TAIL ROTOR REPLACMENT AND BALANCING CURED PROBLEM. (X)
PILOT REPORTED LOSS OF OIL PRESSURE IN-FLIGHT. THE FLIGHT WAS TERMINATED IMMEDIATELY AND THE ENGINE WAS SHUT DOWN. UPON INVESTIGATION, THE ENGINE OIL PUMP DRIVESHAFT WAS FOUND BROKEN. WHEN PUMP WAS REMOVED, A PIECE OF GEAR TOOTH FELL FROM PUMP OIL PASSAGE. GEAR PIECE IS FOREIGN TO THE OIL PUMP. AT THIS TIME, IT IS NOT KNOWN WHERE THE GEAR TOOTH CAME FROM.