N204QS
Registered owner: ENZO AIR LLC, OK (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
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.
8 reports on file, 2006-10-26 – 2017-03-11.
Part: PROXIMITY SENSOR — FAILED (MLG) · airframe 13,679 hrs · 8,646 cycles
ON EXTENDING LANDING GEAR, RECEIVED THREE GREEN LIGHTS. AFTER FIVE SECONDS THE RED LANDING GEAR HANDLE STARTED FLASHING. EXECUTED MISSED APPROACH AND RAN LANDING GEAR EXTENSION MALFUNCTION CHECK LIST. PULLED GEAR PULL HANDLE. RED FLASHING GEAR HANDLE LIGHT EXTINGUISHED. LANDED UNEVENTFULY. TWO MAIN GEAR DOOR LIGHTS WERE ON. REMOVED OLD PROXIMITY SENSOR AND INSTALLED A NEW PROXIMITY SENSOR IAW AMM 32-61-49-900-801. COMPLIED WITH LANDING GEARS EXTENSION AND RETRACTION FOR SEVERAL TIMES. EXTENSION AND RETRACTION OF LANDING GEAR ARE SATISFACTORY IAW AMM 32-31-00-860-801.
Part: DOOR — SLOW (LANDING GEAR) · airframe 13,632 hrs · 8,624 cycles
ON EXTENDING LANDING GEAR RECEIVED THREE GREEN DOWN AND LOCKED INDICATORS BUT THE GEAR HANDLE CONTINUED TO FLASH AND THE TWO MAIN RED GEAR DOOR LIGHTS STAYED ON. STARTED TO LOOK THROUGH THE CHECK LIST FOR THIS CONDITION AND ABOUT SIX MINUTES LATER THE GEAR DOORS CLOSED AND ALL THE RED LIGHTS EXTINGUISHED. JACKED ACFT AND PERFORMED FUNCTIONAL TEST OF EXTENSION AND RETRACTION OF THE LANDING GEARS IAW MM 32-30-00-720-801. COULD NOT DUPLICATE, SYSTEM OPS CHECKED SATISFACTORY. CLEANED CONNECTORS TO SWITCHES 20 GB 40GAB AND 45GAB. PERFORM FUNCTIONAL TEST IAW MM 32-30-00-720-801, FUNCTIONAL TESTED SATISFACTORY. DOWN JACKED ACFT AND SERVICED HYD SYSTEM IAW 29-14-01-610-801.
Part: BATTERY — MALFUNCTIONED (MAIN) · airframe 12,542 hrs · 7,958 cycles
DURING COCKPIT PREFLIGHT INSPECTION, LT PFD, MFD TURNING ON THEN GOING BLANK, FMS LT & RT START DOING THE SAME, RT SIDE PFD ALSO TURNING ON, THEN BLANK. APU RUNNING & GEN OPERATING. APPEARED TO BE CONTINUOUSLY SURGING. MCC SUGGESTED SHUTDOWN REBOOT, ON REBOOT BATTERY VOLTS 21, UNABLE TO START APU. CHECKED FWD SERVICE COMPARTMENT & CHECKED BATTERY BOX FOR HEAT, COULD SMELL BURNING ELEC SMELL. REMOVED MAIN AIRCRAFT BATTERY PN: 405CH10 SN: A03172 AND INSTALLED AN OVERHAULED UNIT PN: 405CH10 SN: T00882. OPS CHECK GOOD IN REFERENCE TO F2000 MM 24-32-01-900-801. NO DEFECTS NOTED AT THIS TIME. VERIFIED ELECTRICAL SMELL COMING FROM MAIN SHIP BATTERY.
Part: FAN — OBSTRUCTED (MAIN PFD) · airframe 9,268 hrs · 5,829 cycles
IN FLIGHT, "RED DISPLAY TEMP" DISPLAYED ON CAPTAIN PFD AND ATTITUDE INDICATOR DISAPPEARED. PULLED OUT CAPTAIN'S PFD AND FOUND SCREEN OVER COOLING FAN VENT COMPLETELY COVERED WITH LINT, FUZZ, & DEBRIS. CLEANED OFF SCREEN AND REINSTALLED CAPTAIN'S PFD. OPS CHECKS GOOD IAW MM 34-000 AND 34-001.
Part: SQUAT SWITCH — MALFUNCTIONED (MLG) · airframe 8,404 hrs · 5,265 cycles
AFTER TAKEOFF, GEAR WOULD NOT RETRACT. NOSE GEAR RED LIGHT WENT OUT, BOTH LT AND RT MAIN GEAR GREEN AND RED LIGHTS REMAINED ON WITH THE FLASHING GEAR HANDLE. ALL INDICATIONS NORMAL DURING GEAR EXTENSION. TROUBLESHOT SYS AND COULD NOT DUPLICATE. SERVICED NLG STRUT WITH NITROGEN IAW MM 32-212. CHANGED BOTH MLG DOOR PROX SWITCHES IAW MM 32-311. CHANGED NLG LT SQUAT SWITCH. F/T OK.
Part: PROXIMITY SWITCH — INOPERATIVE (MLG) · airframe 8,252 hrs · 5,188 cycles
UPON GEAR RETRACTION BOTH MAIN GEAR REMAINED EXTENDED WITH GREEN MAIN GEAR LIGHTS AND RED MAIN GEAR DOOR LIGHTS ILLUMINATED. THE PROCEDURES IN THE 'LANDING GEAR ABNORMAL RETRACTION" CHECKLIST WERE FOLLOWED. GEAR EXTENDED NORMALLY, BUT UPON RETRACTION THE MAIN GEAR GREEN AND MAIN GEAR DOOR RED LIGHTS REMAINED ILLUMINATED. PERFORMED AEGIS DOWNLOAD, PERFORMED 20 SUCCESSIVE GEAR SWINGS. CHECKED AND SET MLG WOW SWITCHES TO LIMITS, REPLACED MLG DOWN ACTUATOR PROXIMITY SENSORS. SWING GEARS AND LEAK CHECKED- GOOD AT THIS TIME. IAW MM 32-107, MM 32-311 AND MM 32-300 NOTE BOTH THE LT AND RT PROX SWITCHES WERE REPLACED WITH NEW, BOTH SN COULD NOT BE READ.
Part: AUTOPILOT SYS — INOPERATIVE · airframe 7,724 hrs · 4,843 cycles
AUTOPILOT INOP. REMOVED AND REPLACED BOTH FCC CARDS. COMPLIED WITH AN AUTOPILOT FUNCTIONAL CHECK IAW THE AMM 22-100 WITH NO DISCREPANCIES NOTED. 2ND CARD REPLACED WAS AS FOLLOWS: LIGHT CONTROL COMPUTER 822-0327-508 SN FX9H HRS 5.4 CYCLES 7.0.
Part: SENSOR — INOPERATIVE (CABIN TEMP) · airframe 5,890 hrs · 3,730 cycles
LOUD WIND/AIR NOISE IN THE RIGHT REAR OF THE CABIN. STARTED ABOVE FL 280. NOISE WENT AWAY BELOW 14,000 FT. REPEAT WRITE UP(M2B). REPLACED TEMP SENSORS 135HF AND 136HF TURBINE INLET AND OUTLET SENSORS. REPLACED TEMP BYPASS VALVE 120HF. ALL OPS/LEAK CHK GOOD PER F-2000 MM 21-601. NO DEFECT NOTED.