N839UP
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Gama Aviation LLC (O2GA) | 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.
10 reports on file, 2016-12-18 – 2022-10-25.
Part: ENGINE — FAILED (LEFT ENGINE) · airframe 5,500 hrs · 4,674 cycles
DURING CLIMB LEFT ENGINE PROP CAME OUT OF SYNC FOLLOWED BY A LEFT SEVERE ENGINE VIBRATION (TORQUE JUMPED TO 130%). LEFT ENGINE ITT WENT INTO THE RED. POWER WAS REDUCED TO IDLE, THE TORQUE AND ITT WENT TO THE GREEN. ADVANCING THE THROTTLES WOULD CAUSE SAME RESULTS TORQUE/ITT IN THE RED. CREW DECIDED TO SHUTDOWN THE LEFT ENGINE ENGINE. FOLLOWED CHECKLIST FOR SINGLE ENGINE LANDING. EMERGENCY WAS DECLARED AND A DIVERT BACK TO KIWA WAS PERFORMED. MAINTENANCE REPLACED THE LEFT ENGINE. ENGINE RIG/PERFORMANCE RUNS PERFORMED WITH THE DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.
Part: FUEL CONTROL — INOPERATIVE (RIGHT ENGINE) · airframe 4,858 hrs · 4,121 cycles
DURING CRUISE FLIGHT THE RIGHT ENGINE ROLLED BACK UN-COMMANDED. RIGHT ENGINE FUEL FLOW DROPPED TO 90. FLIGHT CREW SHUTDOWN THE ENGINE, DECLARED AN EMERGENCY AND DIVERTED TO KGRR. SINGLE ENGINE LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE RIGHT ENGINE FUEL CONTROL UNIT AND STARTER GENERATOR. SUCCESSFUL GROUND RUNS PERFORMED WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.
Part: LIGHT — INOPERATIVE (COCKPIT) · airframe 3,953 hrs · 3,386 cycles
ON APPROACH WITH LANDING GEAR HANDLE SELECTED DOWN, THE NLG DOWN (GREEN)INDICATOR FAILED TO ILLUMINATE. NO MASTER OR AURAL WARNING ASSOCIATED WITH ISSUE OBSERVED. FOLLOWED CHECKLIST, EMERGENCY DECLARED, DIVERTED TO TPA AND LANDING MANUAL EXTENSION PROCEDURE PERFORMED. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE DOWN AND LOCK ANNUNCIATOR LIGHT BULBS. GEAR SWINGS AND OPERATIONAL CHECK PERFORMED. NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.
Part: TUBE — DAMAGED (BLEED AIR SYS) · airframe 3,951 hrs · 3,385 cycles
DURING CLIMB THE MASTER WARNING LIGHT ILLUMINATED FOLLOWED BY 'RIGHT BLEED AIR FAIL' ANNUNCIATOR. ENGINE POWER REDUCTION HAD NO AFFECT ON THE FAILURE. EMERGENCY WAS DECLARED AND AIRCRAFT DIVERTED TO MAINTENANCE. MAINTENANCE REPLACED THE RIGHT WING INBOARD LEADING EDGE BLEED AIR EVA (ETHYLENE VINYL ACETATE)TUBING DUE TO DAMAGE. GROUND TEST PERFORMED WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.
Part: DUCT — CRACKED (LT WING RAM AIR) · airframe 3,589 hrs · 3,090 cycles
LANDING GEAR CONTROL CIRCUIT BREAKER EXTENDED ON GEAR RETRACTION. MAINTENANCE REPAIRED CHAFFED WIRES FOUND UNDER LEFT WING LEADING EDGE RAM AIR DUCT THAT WAS FOUND CRACKED AND CAUSING THE GEAR CONTROL BREAKER TO EXTEND. LEFT MAIN GEAR SAFETY SWITCH WAS ALSO REPLACED. GEAR SWINGS AND A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.
Part: DOWNLOCK SWITCH — INTERMITTENT (NLG) · airframe 2,400 hrs · 2,024 cycles
DURING APPROACH, FLIGHT NOSE GEAR SAFE LIGHT WOULD NOT ILLUMINATE AND TOO LOW GEAR AURAL WARNING SOUNDED. FOLLOWED EMERGENCY CHECKLIST AND DIVERTED. LANDING WAS UNEVENTFUL. MAINTENANCE REMOVED AND REPLACED THE NLG DRAG BRACE DOWN LOCK SWITCH. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.
Part: DOWNLOCK SWITCH — DEFECTIVE (NLG) · airframe 2,271 hrs · 1,927 cycles
DURING APPROACH, WHEN GEAR HANDLE SELECTED DOWN, NOSE LANDING GEAR UNSAFE LIGHT ILLUMINATED. INITIATED A LOW SPEED APPROACH OVER TOWER WHICH CONFIRMED GEAR WAS DOWN. PERFORMED MANUAL GEAR EXTENSION PER POH. NLG LIGHT ILLUMINATED AFTER A COUPLE OF MINUTES. LANDING WAS UNEVENTFUL. MAINTENANCE TROUBLESHOT THE DISCREPANCY TO A FAULTY NLG DRAG BRACE DOWNLOCK SWITCH. REPLACED SAME, PERFORMED OPS CHECK AND AIRCRAFT WAS RETURNED TO SERVICE.
Part: MODULE — INTERMITTENT (MLG) · airframe 1,666 hrs · 1,430 cycles
ON APPROACH, AFTER LOWERING LANDING GEAR THE RED GEAR INDICATION REMAINED ILLUMINATED WITH NO GREEN INDICATIONS. FOLLOWED CHECKLIST AND MANUALLY LOWERED LANDING GEAR. LOW APPROACH FOR TOWER CONFIRMATION COMPLIED WITH. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE LANDING GEAR CONTROL PCB. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.
Part: PRESSURE SWITCH — FAILED (ZONE 700) · airframe 1,653 hrs · 1,422 cycles
LANDING GEAR WOULD NOT EXTEND ON APPROACH (NO GREEN INDICATION. FOLLOWED CHECKLIST. EMERGENCY DECLARED. MANUAL GEAR EXTENSION COMPLIED WITH AND TOWER CONFIRMED. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED A FAILED GEAR UP PRESSURE SWITCH. GEAR SWINGS PERFORMED WITH NO DEFECTS. AIRCRAFT WAS RETURNED TO SERVICE.
Part: SQUAT SWITCH — INTERMITTENT (MLG) · airframe 1,454 hrs · 1,267 cycles
LOSS OF CABIN PRESSURIZATION AT FL270. EMERGENCY DESCENT WAS INITIATED AND AIRCRAFT DIVERTED. DONNED OXYGEN MASKS AND CABIN OXYGEN MASKS WERE DEPLOYED. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE RIGHT MAIN LANDING GEAR SQUAT SWITCH. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.