Service difficulty report · Relay · Boeing 767322

Difficulty date
August 11, 2011
Submitted
September 6, 2011
Operation
Air carrier
Aircraft
N676UA
Make and model
Boeing 767322
Aircraft serial
30028
Aircraft time
38,467 hours, 9,649 cycles
Engine
Pwa PW4052
Part
Relay
Condition
Faulty
Location
Posit 1
Stage of operation
IN
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

FAILED RUN LOST EPR INDICATION AND MESSAGES RETURNED FEW MINUTES AFTER START UP. LT ENGINE EEC AND LT ENGINE PROBE HEAT MESSAGE. DUAL CHANNEL PTS PROBE HEAT ON PIMU (DF0060). STARTED ENGINE FOR TAXI AND PROBE HEAT MESSAGE APPEARED (SEE DF59) AND ALSO EPR INDICATION WAS LOST ON EICAS AND STANDBY INDICATORS. RELAYS REPLACED AND PROBE REPLACED. ACCOMPLISHED RUN AND TAXI CHECK WITH NO FAULTS FOUND.