Service difficulty report · Cable · Boeing 777222

Difficulty date
January 25, 2010
Submitted
January 25, 2010
Operation
Air carrier
Aircraft
N224UA
Make and model
Boeing 777222
Aircraft serial
30225
Aircraft time
32,590 hours, 4,019 cycles
Engine
Pwa PW4090
Part
Cable
Part number
23351001
Condition
Shorted
Location
Nr 1 Spoiler Pcu
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

PRIMARY FLT CONTROL MSG 27-13006. FOUND NR 1 SPOILER PCU CABLE SHORTED TO SHIELD BETWEEN CONNECTORS DM27116 AND D2139P. REPLACED CABLE ASSY (PN 23351-001). ACE TEST FAILED AGAIN WITH 2 NEW MESSAGES (27-13057 AND 27-13058). RT AIMS M10 HAS INTERNAL FAULT. REPLACED RT M10, LOADED SOFTWARE, OP NORMAL. REPLACED ACE-C DUE TO MSG271357 AND 27-13058. NOW TEST PASSED.