Service difficulty report · Relay · Boeing 767322

Difficulty date
April 28, 2011
Submitted
May 27, 2011
Operation
Air carrier
Aircraft
N641UA
Make and model
Boeing 767322
Aircraft serial
25091
Aircraft time
85,889 hours, 13,765 cycles
Engine
Pwa PW4060
Part
Relay
Part number
7705402
Condition
Faulty
Location
Lt Engine
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

L ENG EEC MODE EICAS MSG. CHECKED ENGINE FAULTS, RAN ENGINE FOUND NO EPR INDICATION ON THE LEFT ENGINE. TROUBLESHOT FOUND AS PER ELECTRICAL SCHEMATIC PAGE. REPLACED RELAY CARD. OP'S CHECK NORMAL NOW. RAN ENGINE PERFORMED TEST AS MM.