What was found
DURING DAILY PREFLIGHT CHECK, FOUND A 55 MM CRACK ON LEFT HAND TAIL BOOM TO VERTICAL FIN DOUBLER.
- Difficulty date
- February 20, 2015
- Submitted
- February 20, 2015
- Operation
- Air carrier
- Aircraft
- N401DC
- Make and model
- Bolkms BK117B2
- Aircraft serial
- 7101
- Aircraft time
- 7,794 hours, 21,977 cycles
- System (JASC)
- 5302 · Rotorcraft Tail Boom
- Part
- Doubler
- Part number
- 11730107
- Part serial
- 7101
- Condition
- Cracked
- Location
- Tail Boom
- Part time
- 1,247 hours, 4,441 cycles
- Component
- Tail Boom · Bolkms
- Component part number
- 11730056
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.