SDR ASMF201109008

Service difficulty report · Valve · Boeing 737800*

Difficulty date: September 23, 2011
Submitted: October 4, 2011
Operation: Air carrier
Aircraft: N359AM
Make and model: Boeing 737800*
Aircraft serial: 32359
Aircraft time: 37,407 hours, 27,150 cycles
System (JASC): 2824 · Fuel Transfer Valve
Part: Valve
Part number: 125334D1
Part serial: U08536
Condition: Damaged
Location: Fuel Crossfeed
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

CAPTAIN REPORTED MAIN TANKS FUEL IMBALANCE FROM 300 KGS TO 400 KGS. MX PERFORMED CROSS FEED VALVE OPS TEST IAW MM 28-22-00, DETECTING THE RESULTS WERE OPS OUT OF LIMITS, BEING THE FUEL TRANSFERENCE OF 500 KGS IN TWO MINUTES. THE FUEL CROSSFEED VALVE WAS REPLACED IAW MM 28-22-21, TESTED CORRECT.

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