Service difficulty report · Relay · Boeing 767322

Difficulty date
May 10, 2012
Submitted
May 14, 2012
Operation
Air carrier
Aircraft
N665UA
Make and model
Boeing 767322
Aircraft serial
29237
Aircraft time
49,838 hours, 13,398 cycles
Engine
Pwa PW4056
Part
Relay
Condition
Failed
Location
Engine
Stage of operation
IN
How discovered
9
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

LEFT ELECTRICAL DEMAND PUMP IN AUTO DISPLAYS SYS PRESSURE LIGHT AND PRESS LIGHT WITH 90 PSI. REPLACED K680 LT ENGINE START SENSE RELAY AND K681 RT ENGINE START SENSE RELAY PER WDM 29-11-12 PG 2, RAN BOTH ENGINE, OPS CHECKED NORMAL. NO FAULT LIGHTS.