Service difficulty report · Bearing · Pilats PC1245

Difficulty date
November 23, 2013
Submitted
December 17, 2013
Operation
Air carrier
Aircraft
N807SA
Make and model
Pilats PC1245
Aircraft serial
547
Aircraft time
7,217 hours, 7,239 cycles
Engine
Pwa PT6A67B
Engine time
7,051 hours, 7,078 cycles
Part
Bearing
Condition
Loose
Location
Flap
Part time
7,217 hours, 7,239 cycles
Component
Flap · Pilats
Component part number
5575012004
Stage of operation
IN
How discovered
O
Nature of condition
F
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING A ROUTINE 100 HOUR INSPECTION A TECHNICIAN OBSERVED VISUAL RUBBING DAMAGE TO THE STATION 8 FLAP TORQUE TUBES ON BOTH THE LT & RT FLAPS. THE DAMAGE WAS CAUSED BY THE FLAP STATION 8 CTR BEARING'S & BECOME LOOSE FROM ITS STAKE'S. THIS ALLOWED THE FLAPS TO MOVE ABOUT 1 INCH LATERALLY MOVEMENT WHICH RESULTED IN THE FLAP ARMS & FLAP TORQUE TUBES TO COME INTO CONTACT WITH THE FLAP ATTACHED BRACKETS CREATING RUBBING DAMAGE.