N139QS
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.
5 reports on file, 2007-01-08 – 2011-06-06.
Part: CIRCUIT CARD — FAULTY (FLT COMPUTER) · airframe 2,063 hrs · 1,928 cycles
FLIGHT CREW REPORTED RECEIVING A RED "AP PITCH TRIM FAIL" INDICATION ON CLIMBOUT. VERIFIED FAULT IN NR 1 AUTOPILOT SYS FCC-4007 FLIGHT CONTROL COMPUTER CARD. REPLACED FCC-4007 CARD WITH AN O/H CARD, AUTOPILOT/ FLIGHT DIRECTOR, AND PITCH TRIM OPS CHECK NORMAL WITH NO FAULT INDICATIONS. RECOMMEND COMPONENT MFG INVESTIGATE FAILURE MODE DURING REPAIR.
Part: MIXING VALVE — MALFUNCTIONED (BRAKES) · airframe 1,781 hrs · 1,696 cycles
DURING LANDING ROLLOUT COPILOT BRAKES PERFORMED ABNORMALLY; SEVERAL PUMPS REGAINED PRESSURE. DURING TAXI STEADY BRAKING RESULTED IN DECREASING PRESSURE WITH LT PEDAL REACHING FLOOR. REPLACED LEFT MIXER VALVE IAW MM 32-40-00. OPS AND LEAK CHECKED GOOD.
Part: LANDING GEAR — MALFUNCTIONED · airframe 775 hrs · 698 cycles
RAISED LANDING GEAR AFTER TAKEOFF; ALL THREE GREEN LIGHTS EXTINGUSHED EXCEPT 2 RED LIGHTS IN GEAR HANDLE; SELECTED GEAR DOWN, ALL 3 GEAR LIGHTS ON AND RED EXTINGUSHED; BROUGHT GEAR UP, ALL 3 GREEN LIGHTS EXTINGUSHED AND 2 RED LIGHTS REMAINED ON IN GEAR HANDLE. BROUGHT GEAR UP, ALL THREE GREEN LIGHTS EXTINGUSHED AND 2 RED LIGHTS REMAINED ON IN GEAR HANDLE. CHECKED CONNECTORS P387, P271 AND P272. RANG OUT LANDING GEAR UPLOCK SWITCHES, DOWN LOCK SWITCHES AND DOOR NOT CLOSED SWITCHES, NO DISCREPANCIES WERE NOTED. REINSTALLED CONNECTORS AND PANELS. JACKED ACFT IAW HAWKER 400XP MM 07-10-00. RETRACTED AND EXTENDED LANDING GEAR 10 TIMES UTILIZING MOTOR ON A STICK FOR HYDRAULIC POWER, NO DISCREPANCIES WERE NOTED AT THIS TIME. ACCOMPLISHED IAW HAWKER 400XP MM 32-30-00. LOWERED ACFT FROM JACKS.
Part: UNKNOWN — SMOKE · airframe 503 hrs · 432 cycles
NOTICED SMOKE COMING FROM AIR CONDITIONING VENTS, SMOKE FILLED LAV AREA. [07-10-07] REMOVED AFT EVAPORATOR MODULE AND INSTALLED NEW EVAPORATOR MODULE RECEIVED NEW FROM RAPID. SYSTEM SERVICED IAW HAWKER 400XP MM 12-00. PERFORMED OPERATION CHECK OF AIR CONDITIONING SYSTEM IAW 21-51-00. OP CHECKS GOOD.
Part: SQUAT SWITCH — DISCONNECTED (AUTOPILOT SYS) · airframe 247 hrs · 214 cycles
AUTOPILOT WILL NOT FOLLOW HEADING BUG COMMAND. FOUND BOTH SQUAT SWITCHES DISCONNECTED. RECONNECTED BOTH SQUAT SWITCHES IAW MM 32-60. PERFORMED OPERATIONAL CHECK OF AUTOPILOT. OP CHECKS GOOD.