Service difficulty report · Control Unit · Boeing 737890

Difficulty date
January 31, 2013
Submitted
February 4, 2013
Operation
Air carrier
Aircraft
N592AS
Make and model
Boeing 737890
Aircraft serial
35190
Aircraft time
19,146 hours, 6,085 cycles
Part
Control Unit
Condition
Malfunctioned
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

T/R UNIT LIGHT ILLUMINATED. PERFORMED T/R UNIT LIGHT FAULT ISOLATION IAW FIM TASK 24-31, TASK 826. FOUND TRU 1, TRU 2, TRU 3 C/B OPEN, CLOSED C/BS AS REQUIRED, PERFORMED OPS CHECK, T/R UNIT LIGHT EXTINGUISHED, OPS CHECK NORMAL, NO HISTORY PAST 30 DAYS.