Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
April 27, 2017
Submitted
May 16, 2017
Operation
Air carrier
Aircraft
N553AS
Make and model
Boeing 737890
Aircraft serial
34594
Aircraft time
41,863 hours, 13,807 cycles
Part
Floorbeam
Part number
147A55047
Condition
Corroded
Location
Fuselage
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

FLOORBEAM AT STA 947.5 HAS CORROSION FROM RBL49-RBL54. GROUNDED - YES. EVALUATED CORROSION ON THE UPPER SURFACE OF THE T-CAP OF FLOORBEAM AT BS 947.5, FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51. ACCOMPLISHED A CATEGORY "A" REPAIR TO THE FLOORBEAM AT BS 947.5 LBL 8 - RBL 60 IAW SRM 53-70-51-2R-5 REPAIR 5.