N526FX
Registered owner: CITATION X PARTS LLC, NC (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
AIR TURN BACK DUE TO SMOKE IN CABIN DURING CLIMB BETWEEN 12000 AND 15000 FT. CREW NOTED THAT THE ODOR SEEMED TO BE COMING FROM BEHIND THE LT CIRCUIT BREAKER PANEL. AIRCRAFT LANDED WITHOUT INCIDENT AT KSFB. REPLACED THE NR 1 VHF 4000 IAW AMM 23-11-01. PERFORMED SATISFACTORY ELECTRICAL BONDING TEST IAW SPM 51-80-00. PERFORMED SATISFACTORY OPSL TEST OF THE NR 1 VHF IAW BD-100 23-11-00.
DIVERTED DUE TO AN APU FIRE INDICATION RECEIVED INFLIGHT. COMPLIED WITH QRH PROCEDURE & APU FIRE INDICATION EXTINGUISHED. AIRCRAFT WAS AT 11,000' AND 260 KTS. [AIRCRAFT LANDED WITHOUT INCIDENT OR FIRE DAMAGE.] UNDER FURTHER INSPECTION FOUND MOUNTS NOT SEATED ON BULKHEAD/FIREWALL. SEALED AS NEEDED IAW BD-100 SPM CHAPT 20-60. INSTALLED NEW DISCHARGE CARTRIDGE INTO A MODIFIED FIRE EXTINGUISHER CONTAINER AND INSTALLED CONTAINER REF 26-21 BD-100 AMM. NO DEFECTS NOTED. INSTALLED 2 REMIANING DISCHARGE CARTRIDGE IN ORIGINAL POSITIONS.
AS WE WERE CLIMBING UP AROUND 12000 FEET AND AT APPROX 280KT PNF WERE JUST ABOUT TO SWITCH OFF APU AS WE GOT A APU FIRE CAS AND MASTER CAUTION THAT CAME ON. AS THE SWITCH CAME TO OFF POSITION THE INIDICATION DISAPPEARED. PERFORMED GENERAL VISUAL INSPECTION OF THE APU COMPARTMENT IAW AMM CHAPTER 53-51-00-210-806. PERFORMED GENERAL VISUAL INSPECTION OF THE FIREX BOD CONNECTORS FOR BENT PINS WITH REFERENCE TO AMM CHAPTER 26-11-01-000/400-801 PERFORMED A SATISFACTORY OPS CHECK OF THE FIRE DETECTION SYSTEM. IAW AMM CH 26-11-00-710-801 NO DISCREPANCIES NOTED ON INSPECTIONS AND OPS CHECK. CORRECTED SERVICED APU OIL AS REQUIRED IAW AMM CHAPTER 12-14-09-610/612-801 NO DEFECTS NOTED.
APU FIRE CAS DISPLAYED IN FLIGHT. FOLLOWED QRH, BOTTLE NR 2 BLOWN. LANDED WITHOUT INCIDENT. INSPECTED APU ENCLOSURE FOR POSSIBLE APU FIRE. FOUND NO SIGNS OF ACTUAL APU FIRE. R & R NR 2 FIRE BOTTLE AND BOTH LOWER APU ENGINE MOUNT INSULATORS. OPS CHECKED THE FIRE SYSTEM WAS GOOD.
APU FIRE INDICATION, TURNED OFF APU, THERE WERE NO INDICATIONS OF ACTUAL FIRE. SECURED THE APU RT INDUCTOR LOOP HARNESS. OPS CHECKED GOOD AND NO FAULTS FOUND ON MDC OR CAS. THE INDUCTOR LOOP IS NOT BELIEVED TO BE THE CAUSE OF THE FALSE FIRE WARNING. IT IS BELIEVED TO BE DUE TO THE FLIGHT PARAMETERS AND APU EXHAUST BLOW BACK CAUSING A FALSE FIRE WARNING.
DIVERTED DUE TO RED "APU FIRE" CAS POSTED AFTER TAKEOFF. CREW DEPRESSED APU FIRE SWITCH AND EXT BUTTON. THERE WERE NO FURTHER INDICATIONS OF FIRE. AIRCRAFT LANDED WITHOUT INCIDENT. INSPECTION REVEALS NO EXTERIOR OR INTERIOR SIGNS OF FIRE OR DAMAGE. REPLACED FIRE DETECTION AND EXTINGUISHING SYSTEM CONTROL UNIT, APU SENSING, FIREWALL SENSING AND EDUCTOR SENSING ELEMENTS ALONG WITH THE NR 2 FIRE BOTTLE, GREEN AND RED SQUIB, AND APU SQUIB. OPS CHECK GOOD.
AFTER DEPARTURE, RT (NR2) "PRESSURE LOW" CAS MESSAGE POSTED WHILE CLIMBING THROUGH FL200. HYD SYNOPTIC PAGE SHOWED PRESSURE DROPPING TO O PSI WITHIN 1 MINUTE AND 0 PERCENT QUANTITY FOR NR 2 HYD SYS. CREW DECLARED EMERGENCY AND ACFT WAS DIVERTED AND HAD AN UNEVENTFUL LANDING AND TAXI. VISUAL INSP OF NR2 HYD SYS REVEALED THAT LEAK EMANATED FROM O-RINGS LOCATED IN THE DIFFERENTIAL PRESSURE INDICATOR. O-RINGS WERE REPLACED, SYS TESTED WITH NO FURTHER DEFECTS NOTED.