What was found
(CAN) THE TRANSMISSION CASE HAD AN OIL LEAK FOUND AROUND LT INPUT QUILL AREA. FOUND THE OIL LEAK FROM A CRACK IN THE RADII TRANSITION AREA OF THE CASE BETWEEN THE LT INPUT AND PORTION OF THE LOWER CASE.
- Difficulty date
- March 6, 2015
- Submitted
- August 5, 2015
- Operation
- General aviation
- Make and model
- Bell 427
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Case
- Part number
- 427040200111
- Condition
- Cracked
- Location
- M/R Xmsn
- Part time
- 2,223 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- K
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.