What was found
FOUND PINION GEARS SHOWING HEAVY WEAR ON DRIVE SIDE. THIS IS A REOCCURRING EVENT.
- Difficulty date
- February 21, 2003
- Submitted
- February 25, 2003
- Operation
- Air carrier
- Aircraft
- N547AL
- Make and model
- Bell 407
- Aircraft serial
- 53240
- Aircraft time
- 6,098 hours
- Engine
- Allsn 250C47B
- Engine time
- 5,431 hours
- System (JASC)
- 8300 · Accessory Gearboxes
- Part
- Pinion Gear
- Part number
- 6893672
- Part serial
- NN78502
- Condition
- Worn
- Location
- Accessory G/B
- Part time
- 1,496 hours
- Component
- Gearbox
- Component part number
- 23063393
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.