What was found
PILOT REPORTED OIL RESIDUE ON TAIL ROTOR GEARBOX & SCRATCH ON LEADING SIDE NEAR LT BOLT AFTER FLIGHT. AFTER FURTHER INSPECTION WITH TAIL ROTOR GEARBOX REMOVED, FOUND 1/2 INCH CRACK IN TAIL STRUCTURE AIRFRAME TOP CAP.
- Difficulty date
- September 4, 2014
- Submitted
- September 8, 2014
- Operation
- Air carrier
- Aircraft
- N145HN
- Make and model
- Bolkms BK117C2
- Aircraft serial
- 9302
- Aircraft time
- 2,314 hours, 8,925 cycles
- System (JASC)
- 5302 · Rotorcraft Tail Boom
- Part
- Cap
- Condition
- Cracked
- Location
- Tailboom
- Part time
- 2,314 hours, 8,925 cycles
- Stage of operation
- UK
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.