Service difficulty report · Circuit Card · Boeing 767375

Difficulty date
December 20, 2017
Submitted
December 28, 2017
Operation
Air carrier
Aircraft
N649GT
Make and model
Boeing 767375
Aircraft serial
25864
Aircraft time
85,498 hours, 22,178 cycles
Part
Circuit Card
Part number
6411271
Condition
Failed
Location
Lt A/C Pack
Stage of operation
DE
How discovered
O
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

LEFT PACK TEMP EICAS MESSAGE DURING DESCENT, RAN QRH, LT PACK OPERATED IN NORMAL STANDBY MODE. R & R COMP OUTLET SWITCH S555, OVERHEAT SWITCH, AND FUEL CONTROL PC CARD IAW AMM 21-51-09.