Service difficulty report · Controller · Boeing 767375

Difficulty date
December 26, 2020
Submitted
December 30, 2020
Operation
Air carrier
Aircraft
N649GT
Make and model
Boeing 767375
Aircraft serial
25864
Aircraft time
92,197 hours, 23,604 cycles
Part
Controller
Part number
6259469
Part serial
036C3049
Condition
Failed
Location
A/C Packs
Stage of operation
NR
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

EICAS MESSAGE "L PACK" AT POWER UP. PERFORMED BITE TEST, IAW B767 AMM 21-51-14. TEST FAILED. HARD FAULT. REMOVED AND REPLACED LT CONTROLLER ASSMBLY PACK, IAW B767 AMM 21-51-14. OPERATIONS CHECK GOOD.