Service difficulty report · Warning Message · Boeing 7673JHF

Difficulty date
December 10, 2016
Submitted
December 12, 2016
Operation
Air carrier
Aircraft
N644GT
Make and model
Boeing 7673JHF
Aircraft serial
37810
Aircraft time
9,470 hours, 2,350 cycles
Engine
Ge CF680C2B7F
Part
Warning Message
Condition
False Activation
Location
Bleed Valves
Stage of operation
CR
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

LEFT AND RIGHT BLEED VALVE EICAS MESSAGES ILLUMINATED INTERMITTENTLY IN FLIGHT AND ON THE GROUND. CHECKED AND NO MESSAGES SHOW IAW AMM 36-23-00. ASCS BITE TEST PASSED, NO FAULTS SHOW.

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