Final
1 serious, 4 minor
Feb 27, 2024
N633JH crash at Kekaha, HI
Md Helicopter 369E/500E — Powerplant sys/comp malf/fail at LIH (Kekaha, HI)
DateFeb 27, 2024
Tail numberN633JH
AircraftHughes 369E/500E · Hughes/MD 500 · H500
LocationLIH — Kekaha, HI
Phase of flightEnroute
OperationPart 135 Other work use
Injuries1 serious, 4 minor
NTSB caseANC24LA017
Probable cause
Maintenance personnel’s noncompliance with maintenance manual procedures that required the removal of the overrunning clutch output bearing during the regreasing procedure, which resulted in inadequate regreasing of the bearing and the subsequent failure of the overrunning clutch assembly.
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