What was found
(CAN)METAL ON THE REDUCTION GEAR BOX CHIP DETECTOR. #15 BEARING INNER RACE SPALLED. ELECTRICAL DISCHARGE PITTING ON #15 ROLLERS AND #18 BEARING LIKELY FROM STRAY ELECTRICAL DISCHARGE FROM SOME AIRCRAFT COM PONENT.
- Difficulty date
- April 4, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Make and model
- Aerosp ATR42*
- Engine
- Pwa PW121
- System (JASC)
- 7210 · Turbine Engine Reduction Gear
- Part
- Bearing
- Part number
- 310703301
- Condition
- Spalled
- Location
- Rgb Nr 15 Brg
- Part time
- 6,812 hours
- Component
- Pwa
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.