Service difficulty report · Eec · Boeing 767322

Difficulty date
August 10, 2011
Submitted
August 19, 2011
Operation
Air carrier
Aircraft
N676UA
Make and model
Boeing 767322
Aircraft serial
30028
Aircraft time
38,457 hours, 9,647 cycles
Engine
Pwa PW4052
Engine time
58,985 hours, 10,049 cycles
Part
Eec
Part number
7911004108
Part serial
28023417
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
NR
How discovered
9
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

T2P2 PROBE HT MESSAGE ON LEFT PIMU AFTER LH EEC REPLACEMENT AND ENG RUN. SUPPLEMENTAL DATA UPDATE REPLACED NR 1 EEC. REPLACED EEC ALTERNATOR STATOR. REPLACED N2 ENGINE SPEED DISCRETES CARD ASSY.DUE TO CONTINUED L EEC MODE MESSAGE AFTER NUMEROUS PARTS REPLACED AND WIRE CHECKS ACCOMPLISHED WITH NO CONFIRMED FIX. REPLACE NR 1 ENGINE PER MM. DUE TO 'L EEC MODE' MESSAGE.