Service difficulty report · Ball Screw · Boeing 74747UF

Difficulty date
July 10, 2007
Submitted
July 12, 2007
Operation
Air carrier
Aircraft
N499MC
Make and model
Boeing 74747UF
Aircraft serial
29260
Aircraft time
30,819 hours, 5,182 cycles
Part
Ball Screw
Part number
5700824
Part serial
369A
Condition
Worn
Location
Flap Drive
Stage of operation
DE
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

FLAP DRIVE MESSAGE. OUTBOARDS AT 30 INBOARDS 25. LE ALL GREEN. RT INBOARD FLAPS INDICATES EXTENDED MORE THAN LEFT INBOARDS. FOUND NR 4, 5 AND 6 JACKSCREWS/BALLSCREWS HAD PLAY AND WERE WORN REMOVED AND REPLACED ALL 3 UNITS OPS CHECKED OKAY.

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