N639MM
Registered owner: CHEVRON USA INC, MS (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| CHEVRON USA PRODUCTION COMPANY (AC2A) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
ROTOR BRAKE FAIL CAS ILLUMINATED ON SHUT DOWN WITH CALIPER INDICATING DOWN POSITION. REPLACED ROTOR BRAKE ACTUATOR.
TAIL STRUCTURE HAS AREA OF DELAMINATION ON R/H SIDE.
CORROSION DAMAGE CAUSING REPLACEMENT OF AFT RIGHT UPPER PLATE.
DURING TROUBLESHOOTING OF LOW POWER ON #1 ENGINE, #2 ENGINE BLEED VALVE WAS REMOVED TO SWAP WITH #1 ENGINE BLEED VALVE AND FOUND #2 BLEED VALVE SEALING DISC WAS CRACKED. BLEED VALVE WAS REPLACED.
1 R AP FAIL CAS LIGHT ILLUMINATED DURING CHECK. REPLACED NO 1 ROLL ACTUATOR AND PERFORMED FUNCTIONAL CHECK.
MGB L/H SUMP CHIP DETECTOR RETAINING GROOVES WORN BEYOND ACCEPTABLE PUBLISHED MANUFACTURE LIMITS AS RECEIVED FROM OVERHAUL CONDITION.
THE INTERMEDIATE GEARBOX (IGB) CHIP DETECTOR HAS ROTATIONAL MOVEMENT AT THE PIN FOLLOWER RETAINING RING COLLAR.
IBF MAINTENANCE INDICATOR FOUND CRACKED. *SUPPLEMENTAL INFORMATION* PART NUMBER ENTERED ON ORIGINAL SDR IN SECTION 5 WAS IN ERROR. PART NUMBER WAS SUBMITTED AS 104440-201 AND SHOULD HAVE BEEN 104441-201. *SUPPLEMENTAL INFORMATION* THE UNIQUE CONTROL CODE WAS ALSO ENTERED IN ERROR. UNIQUE CONTROL CODE WAS SUBMITTED AS AC2A202050119 AND SHOULD HAVE READ AC2A2020050113919.
COCKPIT DOOR OPENED IN FLIGHT. LANDED AT GC205 (NEAREST CHEVRON PLATFORM. AFTER LANDING, CREW INSPECTED AND SECURED DOOR. DETERMINED CAUSE OF DOOR OPENING WAS VIBRATION OF THE DOOR HANDLE.
IBF MAINTENANCE AID FOUND TO BE CRACKED.
IBF MAINTENANCE AID FOUND TO BE CRACKED.
PRIOR TO CRUISE CLEARANCE, PILOTS NOTICED A STRONG ELECTRICAL OVERHEAT ODOR WITH A SIMULTANEOUS FWD FAN CAS MESSAGE. NO SMOKE OR FLAMES WERE NOTED. CREW COMPLIED WITH QRH. REPLACED THE PILOT'S COCKPIT FAN.
TAIL ROTOR BLADE CRACK AT INBOARD ROOT NEAR EROSION SHIELD.
TAIL ROTOR BLADE CRACK AT INBOARD ROOT NEAR EROSION SHIELD.
OIL COOLER FAN HIGH VIBRATION READINGS.
ENGINE TORQUE MISCOMPARE CAS MESSAGE ILLUMINATED DURING GROUND RUN. FOUND TORQUE SENSORS DAMAGED FROM CONTACT WITH ROTATING COMPONENT.