Service difficulty report · Cotter Pin · Boeing 747422

Difficulty date
May 4, 2011
Submitted
May 27, 2011
Operation
Air carrier
Aircraft
N181UA
Make and model
Boeing 747422
Aircraft serial
25278
Aircraft time
82,330 hours, 10,088 cycles
Engine
Pwa PW4056
Part
Cotter Pin
Condition
Missing
Location
Flap Track
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

RIGHT O/B FOREFLAP ATTACH POINT TO NR 8 FLAP TRACK, FOUND COTTER PIN MISSING FOR THE ATTACH NUT. NUT TIGHTENED AND PIN INSTALLED BY MECH.