N111AK
Registered owner: KERSHAW ANDREW H, TX (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| ALPHA AVIATION LLC (4ZDA) | 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, 2001-10-09 – 2008-04-17.
Part: MANIFOLD — COKED (FUEL SYSTEM)
FUEL COKING MATERIAL IN THE FUEL MANIFOLD LABYRINTH SEAL AREA CAUSED SEIZURE BETWEEN MANIFOLD AND FUEL INJECTION WHEEL. ENGINE WILL NOT ROTATE. (K)
Part: GEARBOX — DAMAGED (MAIN ROTOR)
HAD A MAIN GEARBOX CHIP EVENT. PERFORMED CHECKS IAW MM TO INCLUDE OIL DAIN, STRAIN AND FLUSH. HAD FIVE SCALE TYPE CHIPS THE LARGEST BEING 1.5MM AND SENT IN FOR ANALYSIS. RETURNED AIRCRAFT TO SERVICE. AT RECEIPT OF ANALYSIS DATA PERFORMED A BORESCOPE OF PINION AND BEVEL WHEEL. FOUND FROSTING DAMAGE ON PINION GEAR AND REMOVED AIRCRAFT FROM SERVICE. (K)
Part: MANIFOLD — COKED (FUEL INJECTION)
COMPRESSOR HARD TO ROTATE DUE TO INJECTION MANIFOLD COKING. (K)
Part: MANIFOLD — COKED (LABYRINTH SEAL)
ENGINE HARD TO ROTATE FOR START DUE TO FUEL COKING IT. THE INJECTION MANIFOLD LABYRINTH SEAL. (K)
Part: MANIFOLD — COKED (LABYRINTH SEAL)
ENGINE COMPRESSOR HARD TO ROTATE DUE TO FUEL COKING IN INJECTION MANIFOLD LABYRINTH SEAL AREA. (K)
Part: MANIFOLD — COKED (INJECTION SYS)
ENGINE HARD TO ROTATE DUE TO FUEL COKING IN INJECTION MANIFOLD LABYRINTH SEAL AREA. (K)
Part: MANIFOLD — COKED (FUEL SYSTEM) · airframe 10,604 hrs
FUEL COKING IN MANIFOLD LABYRINTH CAUSING BINDING OF COMPRESSOR ROTATION. (K)
Part: MANIFOLD — COKED (FUEL INJECTION)
AC WOULD NOT START FOR MID-DAY FLIGHT. UPON INSPECTION, FOUND THAT ENGINE COMPRESSOR WOULD NOT ROTATE. ASSUMED FROM PROBLEMS WITH OTHER ENGINES THAT THIS WAS BEING CAUSED BY FUEL COKING ON THE INJECTION MANIFOLD. THIS WAS CONFIRMED DURING ENGINE DISASSEMBLY BY MFG TECH. (K)
Part: MAGNETIC SEAL — GALLED (ENGINE)
SEAL LEAKING AFTER 200 HOURS. SEAL WAS GALLED.
Part: MAGNETIC SEAL — LEAKING (TAIL ROTOR)
SEAL LEAKING, PART TT 472.9