What was found
DURING DAILY INSPECTION, NOTICED RIGHT SIDE MAIN GEARBOX CHIP DETECTOR NOT FULLY ENGAGED. UPON INVESTIGATION, FOUND RETENTION RING FOR CHIP DETECTOR HAD BECOME UN-STAKED FROM CHIP DETECTOR BODY.
- Difficulty date
- January 18, 2020
- Submitted
- January 24, 2020
- Operation
- Air carrier
- Aircraft
- N139FW
- Make and model
- Agusta AB139
- Aircraft serial
- 31022
- Aircraft time
- 7,031 hours, 14,637 cycles
- System (JASC)
- 6340 · Rotor Drive Indicating System
- Part
- Ring
- Condition
- Unstaked
- Location
- Chip Detector
- Part time
- 5,182 hours, 6,113 cycles
- Component
- Gearbox · Agusta
- Component part number
- 3G6320A00134
- 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.