Service difficulty report · Eec · Boeing 767322

Difficulty date
January 11, 2012
Submitted
January 20, 2012
Operation
Air carrier
Aircraft
N643UA
Make and model
Boeing 767322
Aircraft serial
25093
Aircraft time
88,474 hours, 14,093 cycles
Engine
Pwa PW4060
Part
Eec
Part number
7911004108
Part serial
275194
Condition
Failed
Location
Right
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

IDLE DISAGREE EICAS, RTFL. REPLACE RT ENGINE EEC FOR TROUBLESHOOTING. REPLACED EEC PER AMM, ACCOMPLISHED ENG RUN PER TASK 6 MM 71-00-00-501, NO HELP. CARRIED OUT PIMU BITE TEST FOUND CHANNEL A & B MESSAGES, EEC UNIT FAIL-EEC CTRL- EEC CAT 1 AND EEC CAT 2 MESSAGES. REPLACED RT EEC. CARRIED OUT TEST 6, STATUS MESSAGE NOT ACTIVE AND ERASED.