Service difficulty report · Floorbeam · Boeing 757222

Difficulty date
March 28, 2018
Submitted
April 23, 2018
Operation
Air carrier
Aircraft
N598UA
Make and model
Boeing 757222
Aircraft serial
28751
Aircraft time
71,203 hours, 18,658 cycles
Part
Floorbeam
Part number
146N524661
Condition
Corroded
Location
Bs 1676
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

SURFACE CORROSION ON THE MAIN CABIN FLOORBEAM ANGLE UPPER SURFACE AT BS 1676, LBL 53 - 04. BLENDED THE CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, DETAIL III, ALLOWABLE DAMAGE 1. REMOVED AND REPLACED, THE FLOORBEAM ANGLE IAW DRAWING 146N5246.