Service difficulty report · Warning Message · Boeing 767375

Difficulty date
January 23, 2020
Submitted
January 24, 2020
Operation
Air carrier
Aircraft
N1709A
Make and model
Boeing 767375
Aircraft serial
24086
Aircraft time
93,600 hours, 21,905 cycles
Part
Warning Message
Condition
False Activation
Location
Lt Bleed System
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

ON INITIAL CLIMB, LEFT BLEED LIGHT ILLUMINATED FOR SEVERAL SECONDS, NO EICAS MSG. REPEAT WRITE UP.(<P>PERFORMED BITE TEST ON AIR SUPPLY CONTROL UNIT IAW AMM 36-23-00. OPS TEST OK, NO FAULTS NOTED.</P>)