Service difficulty report · Ball Screw · Boeing 757251

Difficulty date
May 14, 2018
Submitted
May 18, 2018
Operation
Air carrier
Aircraft
N544US
Make and model
Boeing 757251
Aircraft serial
26491
Aircraft time
69,549 hours, 22,281 cycles
Part
Ball Screw
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

WHILE PERFORMING FLAP BALLSCREW INSPECTION FOUND THE NR 4 FLAP TRACK BALLSCREW TO HAVE CORROSION. REMOVED AND REPLACED LT I/B FLAP I/B BALLSCREW IAW AMM 27-51-10 AND 11.