Service difficulty report · Torque Tube · Boeing 757222

Difficulty date
March 13, 2015
Submitted
March 13, 2015
Operation
Air carrier
Aircraft
N770FD
Make and model
Boeing 757222
Aircraft serial
24743
Aircraft time
767 hours, 28,835 cycles
Part
Torque Tube
Part number
113N21081
Part serial
0016
Condition
Corroded
Location
Te Flap
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

LEFT INBD FLAP TORQUE TUBE INTERNAL CAVITY CORRODED. REMOVED LOWER INBD STRESS PANEL IAW SRM 51-40-02. R & R INBD FLAP, INBD TORQUE TUBE IAW CMM 57-53-43. REINSTALLED LOWER INBD STRESS PANEL IAW SRM 51-40-02. CORROSION FOUND OUT OF LIMITS IAW CMM 57-53-43 REPAIR 8 - 1 ON OLD TORQUE TUBE. MAJOR REPAIR.