SDR ERAA086436

Difficulty date

April 24, 2003

Submitted

May 27, 2003

Operation

Air carrier

Aircraft

N135EH

Make and model

Bolkms BO105CBS

Aircraft serial

S675

Aircraft time

13,543 hours

Engine

Allsn 250C20B

System (JASC)

7260 · Turbine Engine Accessory Drive

Part

Gearbox

Part number

6894171

Part serial

CAG37625

Condition

Making Metal

Location

Accessory

Part time

13,999 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.