Service difficulty report · Washer · Saab 340B

Difficulty date
May 8, 2006
Submitted
June 6, 2006
Operation
General aviation
Make and model
Saab 340B
Aircraft time
13,900 hours
Engine
Ge CT79B
Propeller
Rotol R3904123F27
Part
Washer
Part number
AN960JD616
Condition
Melted
Location
Starter Gen
Part time
14,635 hours
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WHILE CONDUCTING A VISUAL INSPECTION OF THE PORT STARTER GENERATOR GROUND POINT SEALANT REMOVED. IT WAS DISCOVERED THAT THE ALUMINUM WASHERS, P/N AN960JD616, BETWEEN THE GROUND POINT ATTACH BOLT AND THE BRACKET HAD MELTED. THE GROUND POINT BRACKET SHOWED EVIDENCE OF ARCING AND THE GROUND POINT ATTACH BOLT SHOWED EVIDENCE OF CORROSION. INSPECTION OF A SECOND AIRCRAFT C-GMNM S/N 340B-364 REVEALED CORROSION ON THE ALUMINUM WASHERS P/N AN960JD616. AN INSPECTION OF THE BALANCE OF SAAB 340 FLEET IS ON GOING.

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