Service difficulty report · Circuit Card · Boeing 777224

Difficulty date
February 17, 2025
Submitted
February 20, 2025
Operation
Air carrier
Aircraft
N78017
Make and model
Boeing 777224
Aircraft serial
31679
Aircraft time
106,575 hours, 10,789 cycles
Part
Circuit Card
Part number
8105053
Part serial
00012555
Condition
Faulty
Location
Zone 100
Part time
779,294 hours, 716,826 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

EAI CARD L EICAS STATUS LEFT ENGINE ANTI-ICE (EAI) CONTROL CARD FAILURE. FIM TASK REF : FIM TASK REFERENCE NOT FOUND CMC MSG# 3018891 FLIGHT STATUS: A INTERMITTENCE CODE: H PH: CRUISE NARRATIVE: ARINC SIGNAL GATEWAY (L EFT), LSCF TECH SUPP UPDATE: RESEATED A6 CARD IN THE P85, WILL NOT TAKE SOFTWARE. PLEASE REPLACE ACIP A6 CARD REF FIM 30-21 TASK 808 , AND AMM 30-21-01. PLEASE REPORT FINDINGS IN SIGN OFF. THANK YOU. SFOLM REPLACED ACIPS CARD. SOFTWARE LOADED SUCCESSFULLY. OPS CHK GOOD. PERFORMED AIRFOIL COWL ICE PROTECTION SYSTEM TEST. TEST PASSED. MSG 30-18891 NOT ACTIVE. REF AMM 30-21-01 FIM 30-21 TASK 808 ROTABLE PARTS CHANGE ROTABLE PARTS CHANGE WAS INDICATED - TT # 1712845 SN OFF 2555 CARD, ASSY, AIR OFF 27-3011-9-0001 2555 ON 27-3011-9-0001 5696