N493HL
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
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.
7 reports on file, 1995-09-02 – 2001-08-11.
Part: ENGINE — FLAMED OUT (NR 1)
DURING POWER ASSURANCE CHECK, AT 1000 FEET AGL NR 1 ENGINE WAS PULLED OFFLINE. JUST POWER TO IDLE DETENT. NR 1 ENGINE FLAMED OUT. ATTEMPTED AIR START, ENGINE WOULD NOT START. AIRCRAFT WAS LANDED SINGLE ENGINE. AFTER THE LANDING, THE ENGINE WAS STARTED WITH NO PROBLEM. (M)
Part: VOLT REGULATOR — FAILED (JUNCTION BOX)
IN CRUISE FLIGHT, SMOKE IN COCKPIT. SMOKE EMANATING FROM MAST MOMENT INDICATOR. AIRCRAFT DIVERTED TO ICY FOR MAINTENANCE, OVER-VOLTAGE CAUSED BY THE VOLTAGE REGULATOR.
Part: LENS — CRACKED (STROBE)
DAILY INSPECTION FOUND LENS SPLIT APART AT SEAM.
Part: CAN — CRACKED (COMPRESSOR)
TURBINE 'CAN' PN 6870992 WAS FOUND CRACKED TWO TIMES IN APPROXIMATELY 100 HOURS. VIBRATION ANALYSIS SHOWED HIGH VIBRATION LEVELS, .8IPS AT 48,000 RPM (N-1 SPEED) ON THE COMPRESSOR. REPLACED COMPRESSOR AND HAVE HAD NO MORE CRACKING. NOTE: TURBINE VIBRATION LEVEL NORMAL. REPLACED COMPRESSOR FOR REPAIR.
Part: COMBUSTION CASE — CRACKED (ARM PIT)
ENGINE COMBUSTION CASE CRACKED AT 'ARMPIT' THROUGH WIRE MESH REINFORCEMENT. ENGINE SHOWED A CONTINUING TREND OF LOW POWER. REPLACED CASE.
Part: GOVERNOR — DEFECTIVE (ENGINE)
GOVERNOR REQUIRED TO BE RETRIMMED FREQUENTLY, THEN ENGINE FELL TO IDLE ON DESCENT FOR FINAL. GOVERNOR WAS CLOSE TO OVERHAUL, 56.0 HOURS LEFT. REPLACED GOVERNOR.
Part: STARTER — SCREEN FAILED (START/GEN)
STARTER/GENERATOR SCREEN CAME OFF AND WENT THROUGH THE COOLING FAN CAUSING DAMAGE. REPLACED STARTER/GENERATOR.