What was found
INTERMEDIATE GEARBOX (IGB) INPUT FLANGE P/N 3G6521A00232 S/N HCA3715 WAS WORN SPLINES TO LIMITS.
- Difficulty date
- April 10, 2020
- Submitted
- April 10, 2020
- Operation
- Air carrier
- Aircraft
- N639GG
- Make and model
- Agusta AW139
- Aircraft serial
- 41308
- Aircraft time
- 5,866 hours, 10,575 cycles
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Intermed Gearbox
- Part number
- 3G6521A00232
- Part serial
- HCA3715
- Condition
- Worn
- Location
- Tail Rotor
- Part time
- 599 hours, 782 cycles
- 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.