N639DS
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
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.
12 reports on file, 2011-08-29 – 2022-10-30.
Part: CONTROL MODULE — CRACKED (HYD SYSTEM) · airframe 7,967 hrs · 14,143 cycles
#2 PCM (HYDRAULIC POWER CONTROL MODULE) LEAKING AT CRACK IN BOSS CASTING.
Part: SIDEWALL PANEL — CRACKED (ZONE 100) · airframe 7,668 hrs
R/H LONGERON AT STA5700 HAS CRACK COMING FROM RIVET TO CORNER WEBBING. CORRECTIVE ACTION - REMOVED LOWER 3 ANGLES CUT DAMAGED WEBBING (WALL) . CUT ACCESS PANEL INTO FRONT OF THE DRY BAY REMOVED WALL . FABRICATED INBOARD AND OUTBOARD DOUBLER FOR SPLICE REPAIR OF NEW WALL SECTION. BACK DRILLED NEW WALL SECTION AND LOCATED DOUBLERS. RENO01 5/29/2022. BACKDRILLED REMAINING ANGLES AND INSTALLED WEB, DOUBLERS, AND ANGLES IN REF TO AGUSTA AW139 39A53-33-08-01A-664A-D. SEE TASK# 87, 105, 106, 107, 108 FOR REFERENCE.
Part: TAIL BOOM — DELAMINATED (STA 11020) · airframe 7,668 hrs
TAIL STRUCTURE DELAMINATED INSIDE AND OUTSIDE AT R/H STA11020 UPPER AREA. CORRECTIVE ACTION - CARRIED FORWARD TO CRS AC2R685K SHEETMETAL SHOP W/O TASK C06456-1 FOR CORRECTIVE ACTION.
Part: ACTUATOR — STUCK (ROTOR BRAKE) · airframe 7,256 hrs · 13,175 cycles
ROTOR BRAKE CAS FAIL MESSAGE ILLUMINATED ON SHUTDOWN, ACTUATOR STUCK IN UP POSITION.
Part: PRESSURE SWITCH — LEAKING (PARKING BRAKE) · airframe 7,077 hrs · 12,954 cycles
PARKING BRAKE PRESSURE SWITCH LEAKING AT VENT HOLE
Part: CONTROL MODULE — DEFECTIVE (ROTOR BRAKE) · airframe 6,865 hrs · 12,672 cycles
ROTOR BRAKE WILL NOT BUILD PRESSURE. ROTOR BRAKE CONTROL MODULE WAS FOUND TO BE DEFECTIVE. MODULE WAS PREVIOUSLY REPAIRED BY MANUFACTURE AND BECAME DEFECTIVE IN 379.9 HOURS OF OPERATION.
Part: SUPPORT FITTING — CORRODED (ZONE 200) · airframe 6,485 hrs · 12,175 cycles
CORROSION DAMAGE ON RIGHT OUTBOARD ENGINE MOUNT AIRFRAME SUPPORT FITTING REQUIRING REPLACEMENT OF FITTING.
Part: FILTER — CRACKED (ZONE 200) · airframe 6,485 hrs
IBF MAINTENANCE AID FOUND TO BE CRACKED.
Part: FILTER — CRACKED (ZONE 200) · airframe 6,485 hrs
IBF MAINTENANCE AID FOUND TO BE CRACKED.
Part: FILTER — CRACKED (ZONE 200) · airframe 6,485 hrs
IBF MAINTENANCE AID FOUND TO BE CRACKED.
Part: FILTER — CRACKED (ZONE 200) · airframe 6,485 hrs
IBF MAINTENANCE AID FOUND TO BE CRACKED.
Part: WARNING LIGHT — ILLUMINATED (HYD SYSTEM) · airframe 52 hrs
SHORTLY AFTER DEPARTURE, "1 HYD MIN" AND "EMER LDG PRESS" ILLUMINATED. REFERENCED THE SYNOPTIC PAGE AND STARTED THE RETURN TRIP. APPROX 90 SECONDS LATER, "1 HYD OIL PRESS", "1 SERVO" AND "1 HYD PUMP" ILLUMINATED.