SDR UIEA2023053100546

Service difficulty report · Check Valve · Boeing 73783N

Difficulty date: June 3, 2023
Submitted: June 6, 2023
Operation: Air carrier
Aircraft: N5167A
Make and model: Boeing 73783N
Aircraft serial: 32663
Aircraft time: 62,423 hours, 28,177 cycles
System (JASC): 5700 · Wing Structure
Part: Check Valve
Part number: NA
Part serial: NSN
Condition: Unknown
Location: Unknown
Stage of operation: IN
How discovered: C
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

LEFT WING CENTER FUEL TANK, FOUND A FLAPPER VALVE WITH HALF THE LUGS BROKEN AT BOTTOM ROOT OF SKIN RIB 1.(<P>REPLACED REFUELING CHECK VALVE AT CENTER TANK, RH AND LH TANKS, I/A/W BOEING 737-800 AMM TASK 28-21-32-00-801 AND AMM TASK 28-21-32-400-801 PARAG 3 A THRU 3 E STEP (4), SATISFACTORY CONDITION </P>)

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