Service difficulty report · Starter Gen · Lear 60LEAR

Difficulty date
January 18, 2016
Submitted
February 5, 2016
Operation
General aviation
Aircraft
N555EH
Make and model
Lear 60LEAR
Aircraft serial
236
Engine
Pwa PW305A
Part
Starter Gen
Part number
400SG138Q2
Condition
Failed
Location
Left
Part time
30 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

UPON ARRIVAL, THE LT ENGINE COWLING WAS OPENED. TROUBLESHOOTING REVEALED THE STARTER/GENERATOR, PN 400SG138Q-2, CASING SHOWED SIGNS OF EXTERNAL MECHANICAL DISTRESS WITH MELTED METAL PARTS IN LOWER COWLING. ALSO FOUND FUEL LINE, PN 30B2122, FROM FUEL FLOW TRANSMITTER TO PRESSURIZATION AND DUMP VALVE CRACKED AND SEPARATED AT B-NUT ALLOWING FUEL TO LEAK INTO THE LOWER COWLING AREA.