NTSB investigations · 1
Matched to this aircraft by N4975U and the event date: after January 22, 1971, when the previous aircraft’s registration ended, through this one’s cancellation.
FAA incident reports · 1
FAA accident and incident reports matched to this aircraft by N4975U and the event date: after January 22, 1971, when the previous aircraft’s registration ended, through this one’s cancellation.
Service difficulty reports · 5
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR 96ZZZX2150Cylinder · crackedNR 2, NR 6, NR 1, NR 3, AND NR 5 CYLINDERS WERE FOUND CRACKED AT INTAKE SEAT.SDR 96ZZZX592Cooler · leaksSUBMITTER STATED THIS IS THE EIGHTH OIL COOLER OF THIS TYPE TO LEAK BETWEEN 100-HOUR AND 200-HOUR TT'S.SDR 96ZZZX88Cooler · leakingOIL COOLER CORE WAS FOUND LEAKING AFTER RETURNING FROM A FLIGHT. THIS IS THE SECOND COOLER FOUND LEAKING ON THIS ENGINE. FIRST LEAK OF COOLER WAS AT 395.0 HOURS TOTAL TIME. TOTAL TIME ON ENGINE NOW IS 502.0 HOURS.SDR 96ZZZX87Cooler · leakingOIL COOLER CORE WAS FOUND LEAKING.SDR 95ZZZX4564Oil Tube · extender crackedTHE EXTENDER CRACKED AT BOTTOM FLANGE AND THE TUBE FELL OFF THE ENGINE CAUSING OIL TO COME OUT OF ENGINE. SUBMITTER SUGGESTS LARGER WELDS WOULD HELP HOLD IT TOGETHER BETTER.
Other aircraft with N4975U · 1
The FAA can assign a mark to another aircraft once a registration is cancelled. No aircraft carries N4975U now.