Service difficulty report · Frame · Swrngn SA227*

Difficulty date
March 26, 2004
Submitted
April 23, 2004
Operation
Air carrier
Aircraft
N370AE
Make and model
Swrngn SA227*
Aircraft serial
AC506
Engine
Garrtt TPE331*
Part
Frame
Part number
263106510
Condition
Cracked
Location
Fuselage
Stage of operation
IN
How discovered
9
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

DURING INSPECTION FRAME (PN262106510) WAS FOUND CRACKED AT THE CONTROL COLUMN BEARING MOUNT ON THE RT SIDE. THIS WAS THE IMPROVED BEARING MOUNT SETUP AS CALLED OUT IN AD AND SB TO PREVENT CRACKING. THE CRACKS ARE OCCURING RT AT THE TOP OF THE IMPROVED (PN 2621352007P) DOUBLER ASSY. BELOW THE RADIOUS ON THE (26-21065-10) FRAME. MFG HAD SB CONCERNING THIS AREA THAT CHANGES THE MOUNTING AGAIN AND MAKING THE DOUBLER LONGER TO SPREAD OUT THE LOAD BETTER TO THE FRAME.