Service difficulty report · Gcu · Raythn B300RAYTHEON

Difficulty date
December 2, 2023
Submitted
December 4, 2023
Operation
General aviation
Aircraft
N4LG
Make and model
Raythn B300RAYTHEON
Aircraft serial
FL326
Aircraft time
5,252 hours, 4,599 cycles
Engine
Pwa PT6A67A
Engine time
450 hours, 390 cycles
Part
Gcu
Part number
51538001A
Part serial
Y1307
Condition
Defective
Location
Zone 100
Part time
5,252 hours, 4,599 cycles
Component
Dc Generator Co · Trw
Component part number
51538001A
Stage of operation
CR
How discovered
O
Nature of condition
O, S
Precautionary procedure
B, G, O

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

What was found

DC GENERATOR KICKED OFFLINE CAUSING BUS TIE TO TRIP AND LOSE OF PRESSURIZATION. REPLACED GENERATOR CONTROL UNIT, ADJUSTED PER MM. AIRCRAFT RETURNED TO SERVICE.