N452MH
Registered owner: MEMORIAL HERMANN HEALTH SYSTEM, TX (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Memorial Hermann Health System (GVNA) | Certificate holder | — | Matched by certificate designator |
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.
9 reports on file, 2008-05-08 – 2023-10-18.
Part: SPHERICAL BEARIN — WORN (TAIL ROTOR) · airframe 9,825 hrs · 43,362 cycles
ON DEPARTURE AND CLIMB OUT, THE PILOT NOTICED A VIBRATION IN THE T/R PEDALS THAT WOULD INCREASE WITH POWER WAS INCREASES. HE RETURNED TO THE AIRPORT AND LANDED UNEVENTFULLY. MAINTENANCE FOUND THE T/R TEETERING BEARINGS WERE WORN EXCESSIVELY.
Part: PRESSURE SENSOR — LEAKING (ZONE 200) · airframe 9,784 hrs · 43,000 cycles
AFTER THE HELICOPTER WAS STARTED, BUT BEFORE LIFTING INTO A HOVER, THE CREW REPORTED A FUEL SMELL IN THE CABIN. SHUT DOWN ENGINES AND CALLED MAINTENANCE. WITH PRIME PUMP "ON", MECHANIC FOUND THE #2 ENGINE LOW FUEL PRESSURE SENSOR LEAKING FROM THE SPLIT LINE.
Part: FRAME ANGLE — CRACKED (BS 4015) · airframe 7,801 hrs · 35,104 cycles
ON SCHEDULED AIRFRAME INSPECTION, FOUND CRACKS IN FWD RH BOX BEAM STA4015 WEB (P/N: B533K5141-203), STA4135 WEB (P/N: 533K5141-201), STA4015 CAP EXTRUSION (P/N: B533K5140-203), STA 4135 EXTRUSION CAP (P/N: B533K5140-203) AND THE INNER SKIN PANEL (P/N: B533K5605-211).
Part: PRESSURE SWITCH — FAILED (NR 2 ENG FUEL) · airframe 9,180 hrs
#2 ENG FUEL PRESSURE CAUTION ILLUMINATED DURING START SEQUENCE AND WOULD NOT EXTINGUISH. REM'D AND REPLACED #2 ENG FUEL PRESSURE SWITCH. ENG RUN/LEAK CHK GOOD.
Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 9,120 hrs
ON CLIMBOUT, #1 FUEL PRESS ILLUMINATED. ALL ENG PARAMATERS NORMAL. CAUTION EXTINGUISHED AFTER APPROX 5MIN. REPLACED #1 ENG FUEL PRESS SWITCH. INSP FUEL FILTER AS A PRECAUTION. PERFORMED GROUND RUN/LEAK CHK, 2 STARTS EA, W/NO ANOMOLIES. LEAK CHK'D GOOD.
Part: LATCH HANDLE — SEPARATED (ZONE 600) · airframe 8,629 hrs
R/H OUTSIDE SLIDING DOOR HANDLE SEPARATED FROM AIRCRAFT IN CRUISE FLIGHT. AIRCRAFT CONTINUED FLIGHT SAFELY WITH NO INTERRUPTION. REPLACED DOOR HANDLE. FUNCTION CHK'D GOOD.
Part: VENT LINE — LOOSE (EXPANSION TANK) · airframe 6,901 hrs
FUEL SMELL NOTICEABLE IN CABIN, DURING FLIGHT. INSPECTED, FOUND EXPANSION TANK VENT LINE LEAKING AT FITTING. INSPECTED AND REPAIRED LINE, AS REQUIRED. NO OTHER DEFECTS NOTED. ACFT RETURNED TO SERVICE.
Part: DRAIN VALVE — FAILED (FUEL SYSTEM) · airframe 3,277 hrs · 14,802 cycles
START DRAIN VALVE FAILED INTERNALLY ALLOWING FUEL TO FLOW INTO THE COMPRESSOR THROUGH THE P2 AIR LINE. FUEL BLEW OUT OF THE COMPRESSOR CASE SPLIT LINE AND IGNITED ON TOP OF THE ENGINE CAUSING THE FIRE WARNING LIGHT TO FLICKER ON AND OFF SEVERAL TIMES. PILOT RETURNED TO DEPARTURE PAD AND LANDED SAFELY WITH BOTH ENGINES OPERATING AND PERFORMED AN EMERGENCY SHUTDOWN OF BOTH ENGINES. FIRE WARNING LIGHT HAD GONE OUT AND THE FIRE SELF EXTINGUISHED. THE FIRE BOTTLES WERE NOT DISCHARGED. NO DAMAGE FOUND TO THE COWLING OR IN THE ENGINE COMPARTMENT.
Part: ACTUATOR — JAMMED (NR 2 ENGINE) · airframe 428 hrs
IN FLIGHT NR 2 ENGINE TRIM ACTUATOR FULLY RETRACTED, JAMMED, POPPED TRIM CIRCUIT BREAKER. AIRCRAFT LANDED USING MANUAL TRIM. REPLACED ACTUATOR.