Service difficulty report · Torque Tube · Boeing 757222

Difficulty date
September 15, 2012
Submitted
September 26, 2012
Operation
Air carrier
Aircraft
N554UA
Make and model
Boeing 757222
Aircraft serial
26644
Aircraft time
71,947 hours, 21,462 cycles
Engine
Pwa PW2037
Part
Torque Tube
Condition
Corroded
Location
R4 Door
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

MAIN CABIN R-4 DOOR INTERIOR LOWER CENTER LATERAL ARMING TORQUE TUBE, 3 EACH BEARINGS CORRODED. REMOVED AND REPLACED LOWER ARMING TORQUE TUBE AND BELLCRANK ASSY AND REPLACED 3 EACH BEARINGS PER CMM 52-11-25 AND MM 20-10-02 AND FUNCTIONAL CHECK GOOD.