Service difficulty report · Module · Bolkms BO105S

Difficulty date
November 30, 2005
Submitted
June 6, 2006
Operation
General aviation
Make and model
Bolkms BO105S
Aircraft time
6,447 hours
Engine
Allsn 250C20B
Part
Module
Part number
27E462
Condition
Corroded
Location
Instrument Panel
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

CORROSION WAS FOUND ON A RELAY SOCKET AND ASSOCIATED WIRING CAUSING SYSTEM FAILURE. MOISTURE HAD MIGRATED INTO THE NOSE COMPARTMENT CAUSING CORROSION ON THE DIMMING MODULE COMPONENTS.