Service difficulty report · Circuit Card · Boeing 767306

Difficulty date
December 12, 2017
Submitted
December 18, 2017
Operation
Air carrier
Aircraft
N1321A
Make and model
Boeing 767306
Aircraft serial
27957
Aircraft time
81,422 hours, 18,782 cycles
Part
Circuit Card
Part number
285T009311
Part serial
D02523
Condition
Malfunctioned
Location
A/C Pack
Stage of operation
CR
How discovered
V
Nature of condition
L, O, S
Precautionary procedure
K, O

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

What was found

R PACK OH EICAS MESSAGE DURING CRUISE WHILE LEVELED OFF AT FL 350.PACK SWITCH DESELECTED "PACK OFF". R & R THE CIRCUIT CARD IAW AMM 20-10-01 & 21--61-03.