N531FX
Registered owner: FLEXJET LLC, OH (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Flexjet, LLC (J7SA) | 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.
11 reports on file, 2015-12-26 – 2026-03-04.
Part: ACM — FAULTED (ZONE 100) · airframe 17,328 hrs · 10,805 cycles
REJECTED TAKEOFF DUE TO PACK TEMP HIGH CAS, PACK FAIL CAS, AND VISIBLE SMOKE IN CABIN. CREW TAXIED BACK TO THE FBO WITHOUT INCIDENT. FOUND BROKEN BLADE ON ACM. REPLACED ACM AND PRECOOLER. PERFORMED OPS AND BLEED CHECKS. ALL CHECKS SATISFACTORY AT THIS TIME. WORK COMPLETED IAW CL 300 AMM 21-51-15, 21-52-13, 21-52-00.
Part: ACM — FAULTED (ZONE 100) · airframe 16,978 hrs · 10,600 cycles
BURNING SMELL ON DESCENT ACCOMPANIED BY VERY WARM AIR. AIRCRAFT LANDED WITHOUT INCIDENT AT KSSI. AFTER LANDING, CREW RECEIVED AMBER PACK TEMP HIGH CAS ON SYNOPTIC. REPLACED AIR CYCLE MACHINE. PERFORMED SUCCESSFUL OPS CHECK AND LEAK CHECK IAW CH 300 AMM 21-52-13.
Part: PUMP — FAILED (HYD SYSTEM) · airframe 13,601 hrs · 8,559 cycles
NO FLAP LANDING DUE TO HYDRAULIC PUMP FAILURE. AIRCRAFT LANDED WITHOUT INCIDENT AT KOAK. AFTER LANDING, CREW NOTICED A PUDDLE OF HYDRAULIC FLUID ON GROUND. REPLACED DEFECTIVE RH HYDRAULIC SYSTEM FILTER MANIFOLD IAW CH 300 AMM 32-34-05. REPLACED DAMAGED O-RING ON THE RETURN LINE BASE NUT FITTING OF THE RUN AROUND VALVE. OPS CHECKS AND GEAR SWINGS GOODâNO DEFECTS. FILTER P/N 945173-3; S/N PT0123. O-RING P/N NAS1612-8A.
Part: SCREW — LOOSE (RT WING LE) · airframe 11,910 hrs · 7,487 cycles
RIGHT LEADING EDGE HAS LOOSE SCREW ON MIDDLE LEADING EDGE PANEL. REMOVED AND REPLACED LOOSE SCREW PER BD100 AMM 57-41-09 P/N NAS8703-3.
Part: APU — ODOR (APU BAY) · airframe 11,816 hrs · 7,434 cycles
INVESTIGATE OIL SMELL IN CABIN WITH APU RUNNING. PERFORMED BOROSCOPE INSP OF APU INLET. REPLACED APU.
Part: FIRE WARNING — FALSE ACTIVATION (APU BAY) · airframe 11,258 hrs · 7,043 cycles
APU FIRE CAS ILLUMINATED DURING CRUISE AT 10000 FEET. COMPLIED WITH QRH PROCEDURES AND DIVERTED. R & R THE APU SQUIB. INSPECTED APU ENCLOSURE AND FOUND NO EVIDENCE OF FIRE. NO DEFECTS NOTED. RESEALED FIREWALL.
Part: SCREW — MISSING (RT WING) · airframe 10,943 hrs · 6,839 cycles
RIGHT LEADING EDGE OF WING MISSING ONE SCREW ON TOP OF WING NEAR WING ROOT. REMOVED RT INB LE FOUND NUT PLATE LOOSE IN GANG CHANNEL AT MISSING SCREW LOCATION RESECURED NUT PLATE IN GANG CHANNEL. DURING REMOVAL OF LE FOUND STRIPPED NUT PLATE BOLT AT RT INB LE BLEED AIR FIRE SHROUD. REMOVED AND REPLACED NUT PLATE/BOLT AT LE FIRE SHROUD. REINSTALLED RT INB LE WITH NEW SCREWS AS REQUIRED PERFORMED SATISFACTORY OPS/LEAK CHECK OF RT INB LEADING EDGE WITH NO DEFECTS NOTED.
Part: NUT PLATE — OUT OF POSITION (RT WING) · airframe 10,698 hrs · 6,699 cycles
ON POST FLIGHT SCREW ON UPPER LEADING EDGE OF RIGHT WING FOUND PROTRUDING SCREW NOT ENGAGING ANYTHING WHEN ATTEMPT MADE TO TIGHTEN IT. REMOVED RT CENTER WING LEADING EDGE PANEL. LOCATED AND REINSTALLED NUT PLATE ON UPPER ATTACHING POINT, REINSTALLED RT CENTER LEADING EDGE. PERFORMED OPS AND LEAK CHECK OF RT WING ANTI ICE SYSTEM OPS CHECK GOOD. NO LEAKS PRESENT.
Part: GENERATOR — TRIPPED · airframe 1,068 hrs · 6,692 cycles
AT 5000 FT, 200 KTS, ENGAGED APU STARTER AND BOTH GENERATORS TRIPPED OFF LINE. AFTER APU WAS RUNNING, RESET BOTH GENERATORS. AIRCRAFT LANDED WITHOUT INCIDENT. TIGHTENED LOOSE LT GENERATOR POWER TERMINAL AFTER REMOVING CORROSION. REMOVED CORROSION FROM RT GEN TERMINALS. REPLACED THE NR 1 AND 2 GENERATOR SENSING UNITS, LEFT PROTECTION CARD, REMOTE DATA CONCENTRATOR, AND LT BATTERY SENSOR. OPS CHECKED GOOD. MVF SUCCESSFUL.
Part: SENSING ELEMENT — FAULTY (APU)
FALSE FIRE WARNING: "APU FIRE TASK" ILLUMINATED WITH A TRIPLE CHIME AND APU FIRE AURAL WARNING. CREW FOLLOWED CHECKLIST, TURNED OFF APU AND USED NR 2 FIRE EXTINGUISHER. LANDED WITHOUT INCIDENT. PRELIM INSPECTION REVEALS NO SIGNS OF FIRE. REPLACED APU SENSING ELEMENT, FIREWALL SENSING ELEMENT AND EDUCTOR SENSING ELEMENT ALONG WITH NR 2 FIRE BOTTLE AND SQUIB. Â OPS CHECK GOOD.
Part: SHAFT — SHEARED (RT GENERATOR) · airframe 8,755 hrs · 5,421 cycles
TURNED BACK TO BASE DUE TO GEN FAILURE. AN EMER WAS DECLARED & THE ACFT LANDED WITH NO FURTHER INCIDENT. FOUND THE RT GEN SHAFT SHEARED. THE SHAFT COUPLING WAS REPLACED & AN OVERHAULED GEN INSTALLED. LEAK & OPERATIONS CHECKS WERE GOOD & THE ACFT RETURNED TO SERVICE. THIS WAS A DUAL GEN FAIL. ACFT OPERATED ON ESSENTIAL POWER UNTIL APU GEN WAS BROUGHT ONLINE. LT GEN WAS R & R. LEAK & OPERATIONS CHECKED GOOD.