SDR HEEA087025

Service difficulty report · Case · Bell 407

Difficulty date
June 4, 2003
Submitted
June 9, 2003
Operation
Air carrier
Aircraft
N740PH
Make and model
Bell 407
Aircraft serial
53435
Aircraft time
1,539 hours
Part
Case
Part number
406040406109
Part serial
A1644
Condition
Corroded
Location
T/R Gearbox
Part time
536 hours
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.

What was found

TAIL ROTOR GEARBOX CASE HAS EXCESSIVE CORROSION IN AREAS AROUND CHIP PLUG. TO BE SENT FOR CREDIT.

More about the Bell 407