Service difficulty report · Control Unit · Boeing 737890

Difficulty date
December 5, 2012
Submitted
December 7, 2012
Operation
Air carrier
Aircraft
N536AS
Make and model
Boeing 737890
Aircraft serial
35203
Aircraft time
3,451 hours, 1,022 cycles
Part
Control Unit
Part number
115195214
Part serial
115195204690
Condition
Faulted
Location
Ee Bay
Part time
3,441 hours, 1,017 cycles
Stage of operation
TX
How discovered
V
Nature of condition
J
Precautionary procedure
O

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

What was found

ELEC LIGHT ILLUMINATED ON OVERHEAD ON PANEL. A/C POWER WAS REMOVED WHEN GROUND POWER WAS DISCONNECTED. VERIFIED SPCU FAULT. REPLACED SPCU. SYS TESTS GOOD REF TASK 24-34-11-700-801.