Service difficulty report · Torque Box · Boeing 75721B

Difficulty date
November 30, 2009
Submitted
December 1, 2009
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
50,153 hours, 32,684 cycles
Part
Torque Box
Condition
Corroded
Location
Zone 300
Component
Quadrant Assy
Component part number
251N247915
Stage of operation
IN
How discovered
V
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

TORQUE BOX ASSY, ELEVATOR CONTROL SYSTEM LOWER ARM AFT AREA FOUND CORROSION. CORROSION ON TORQUE BOX ASSY REPAIRED IAW EA F-2710-133433 (ELEVATOR QUADRANT ASSY TORQUE TUBE AND TOQUE BORE CORROSION REPAIR). REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100.

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