N1541F
Registered owner: RWR AIR INC, AK (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| 40 MILE AIR LTD (FMAA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
Maintenance disclosures
AIRCRAFT CAME IN FOR A 50 HR INSPECTION. WHEN ENGINE OIL SCREEN WAS PULLED, IT WAS FOUND TO HAVE A LARGE AMOUNT OF METAL IN IT. UPON INVESTIGATION IT WAS FOUND THAT THE NR 2 CYLINDER CONNECTING ROD BUSHING, PN 530658 WAS SIDINGRATING. NOTE: AT FIRST OIL CHANGE AFTER ENGINE INSTALLATION, THERE WAS FOUND TO BE A NOTABLE AMOUNT OF METAL. THIS AT THE TIME WAS THOUGHT TO BE ONLY A LITTLE BEYOND NORMAL FOR A FIRST OIL CHANGE. AFTER THAT METAL LEVELS WERE NOTED TO GO UP AND DOWN BOTH THROUGH OBSERVATION OF SCREENS AND OIL ANALYSIS. WE HAD TRIED CHANGING STARTER DRIVES, ANOTHER CYLINDER WITH NO REAL SOLUTIONS. WITH THIS INCIDENT THE DECISION WAS MADE TO PULL THE ENGINE FROM SERICE AND SEND IT TO O/H FACILITY.
FOUND A .5 INCH LONG CRACK IN THE IB ANGLE-TAILCONE REINFORCEMENT LT FROM TOP OF ANGLE DOWN TO WITHIN .25 INCH OF IB HORIZONTAL MOUNTING BOLT HOLE. (K)
ENGINE FAILED TO PRODUCE OIL PRESSURE CAUSING INTERNAL BEARING DAMAGE. EXTENT OF DAMAGE AND CAUSE IS PENDING ENGINE TEARDOWN. (K)