N418EH
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.
11 reports on file, 1999-09-20 – 2010-12-08.
Part: IMPELLER — CRACKED (COOLER BLOWER) · airframe 22,054 hrs
OIL COOLER BLOWER HAS A CRACKED IMPELLER.
Part: INDICATOR — FLUCTUATES (RADAR) · airframe 16,457 hrs
UNIT FLASHES ON AND OFF IN FLIGHT. UNIT WORKED WELL ON BENCH. HAS CORROASION ON INTERCONNECT BOARD. REMOVED CORROSION AND TESTED UNIT.
Part: SERVO — VIBRATION (TAIL ROTOR) · airframe 16,429 hrs
TAIL ROTOR SERVO HAS HIGH FREQ BUZZ IN TAIL ROTOR PEDALS WITH HYD SYSTEM TURNED ON. HAS CYLINDER WEAR, INTERNAL LEAKAGE ON PILOT VALVES REPLACED CYLINDER AND PILOT VALVES TESTED IAW CMM.
Part: LIGHT — INTERMITTENT (COCKPIT) · airframe 16,426 hrs
CAUTION LIGHT FLICKERS WHEN TESTED WITH TEST SWITCH ON PANEL.
Part: MAST — MAKING METAL (MAIN ROTOR) · airframe 16,127 hrs
MAKING METAL. MAST BEARING BREAKING DOWN. REMOVED MAST BEARING VISUALLY INSPECTED, EXPOSED COMPONENTS. INSTALLED SWITCH, BEARING, NEW SEAL AND SLEEVE, REASSEMBLED. MAST ASSY REPAIRED IAW BHT 412 CR&O 63. COMPLIED WITH TB 412-98-150
Part: INDICATOR — CONTAMINATED (WX RADAR) · airframe 12,083 hrs
INOPERABLE; UNIT WOULD NOT POWER UP. FOUND MAJOR WATER DAMAGE. ACTION TAKEN: REPLACED ALL BAD PARTS, REM'D CORROSION, REPAIRED BROKEN WIRES, RE-SOLDERED COLD SOLDER JOINTS, ALIGNED AND TESTED. NS
Part: TRANSMISSION — MAKING METAL (TAIL ROTOR) · airframe 15,778 hrs
TRANSMISSION IS MAKING METAL. ACCESSORY T/R INPUT QUILL BEARING SET, ROLLERS & RACES MAKING METAL. ACTION TAKEN: CHANGED SUMP CASE, ASSY/ INPUT DRIVE QUILL. C/W 3100 HOUR INSPECTION. REPLACED MAIN INPUT PINION AND ALL BRGS. CLEANED AND FLUSHED ALL OIL PASSAGES.TESTED AND TOUCHED UP PAINT.
Part: ARMATURE — MISSING (STARTER GEN)
BEARING JOURNAL BASE MISSING.
Part: BEARING — MAKING METAL (TAIL ROTOR) · airframe 15,533 hrs
TRANSMISSION IS MAKING METAL. TAILROTOR QUILL BEARINGS CAUSE OF METAL CONTAMINATION. SEAL LEAKS. MAIN INPUT R/B QUILL, SYS II HYD QUILL AND AUX JETS ON RING GEAR CASE. ACTION TAKEN: REPAIRED, PARTIALLY DISASSEMBLED, VISUALLY INSPECTED EXPOSED COMP. INSTALLED NEW BEARINGS T/R QUILL AND PACKED WITH GEAR, INSTALLED NEW SEALS, AND GASKET, O RINGS TO REPAIR LEAKS. ALL WORK IAW BHT 412 CR&O.
Part: INDICATOR — READS HIGH (TRIPLE TACH) · airframe 14,672 hrs
TRIPLE TACH REM'D FROM AIRCRAFT AFTER 111.3 HRS AFTER O/H WITH ROTOR NEEDLE READING 5 PERCENT HIGH.
Part: BLEED VALVE — FLUCTUATING (ENGINE)
POWER SECTION OVERHAULED. BLEED VALVE FLUCTUATING.