Service difficulty report · Control Unit · Boeing 777222

Difficulty date
August 13, 2010
Submitted
August 25, 2010
Operation
Air carrier
Aircraft
N798UA
Make and model
Boeing 777222
Aircraft serial
26928
Aircraft time
55,037 hours, 8,065 cycles
Engine
Pwa PW40903
Part
Control Unit
Part number
4885501002
Part serial
39
Condition
Failed
Location
L2
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

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

What was found

ACE L2 FAILS LRU REPLACEMENT TEST WITH MSG 27-16001. REPLACED L2 ACE PER MM, TEST PASSED.