What was found
(AUS) NR 1 ENGINE REDUCTION GEARBOX CHIP DETECTOR ACTIVATION. THE CHIP DETECTOR WAS REMOVED AND CONTAINED A FRAGMENT OF GEAR TOOTH. BOROSCOPE INSPECTION FOUND DAMAGE TO A SECOND STAGE REDUCTION GEAR TOOTH.
- Difficulty date
- April 30, 2003
- Submitted
- June 16, 2003
- Operation
- Air carrier
- Make and model
- Dhav DHC8315
- Engine
- Pwa PW123
- Propeller
- Hamstd 14SF23
- System (JASC)
- 7210 · Turbine Engine Reduction Gear
- Part
- Gear
- Part number
- 311657901
- Condition
- Failed
- Location
- Reduction G/B
- Part time
- 12,223 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.