Service difficulty report · Pump · Boeing 777222

Difficulty date
July 2, 2014
Submitted
July 3, 2014
Operation
Air carrier
Aircraft
N224UA
Make and model
Boeing 777222
Aircraft serial
30225
Aircraft time
52,220 hours, 6,222 cycles
Engine
Pwa PW40903
Engine time
29,094 cycles
Part
Pump
Condition
Malfunctioned
Location
Lt Engine
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

ENG FUEL VLV L LT HP FUEL SOV POSITION DISAGREES WITH COMMANDED POSITION. STATUS MSG 01 NOT ACTIVE CRUISE MODE DEPENDENT. FMU LT ENG FUEL SOV IS NOT IN COMMANDED POSITION. DB ELEC ENG CONTROL LT ENG CH B. REPLACED LT ENG FUEL PUMP IAW AMM 73-11-01. NO LEAK FOUND & OPERATIONS CHECKED OK.