What was found
DRAIN TUBE HAS CORROSION CAUSED BY DISSIMILAR METALS USED IN MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.
- Difficulty date
- April 18, 2003
- Submitted
- June 30, 2003
- Operation
- Air carrier
- Aircraft
- N491PH
- Make and model
- Bell 407
- Aircraft serial
- 53386
- Aircraft time
- 3,360 hours
- System (JASC)
- 6300 · Main Rotor Drive System
- Part
- Drain Line
- Part number
- 407040553101
- Part serial
- NA
- Condition
- Corroded
- Location
- Main Rotor
- Stage of operation
- NR
- 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.