Service difficulty report · Shutoff Valve · Boeing 757222

Difficulty date
June 28, 2014
Submitted
June 30, 2014
Operation
Air carrier
Aircraft
N561UA
Make and model
Boeing 757222
Aircraft serial
26661
Aircraft time
71,868 hours, 26,054 cycles
Engine
Pwa PW2040
Part
Shutoff Valve
Condition
Faulty
Location
Fuel System
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

15 MINUTES AFTER TOP OF CLIMB HAD LATERAL FUEL IMBALANCE OF 1800 LBS. LT SIDE LOW, REBALANCED 1 - 2. REPLACED LT MAIN TANK FUEL SOV BODY & ACTUATOR IAW AMM 28-21-02. REPLACED THE LT MAIN TANK SCAVENGE SYS FLOAT VLV IAW MM 28-22-10. NO TRANSFER OF FUEL DURING CHECK. CHECKED FUEL FEED SYS IAW LM CALLOUT SEE SEQUENCE 8682017, FEED SYS CHECKED GOOD.