Service difficulty report · Floorbeam · Boeing 757236

Difficulty date
September 21, 2013
Submitted
November 4, 2013
Operation
Air carrier
Aircraft
N979FD
Make and model
Boeing 757236
Aircraft serial
25592
Aircraft time
56,918 hours, 19,763 cycles
Part
Floorbeam
Part number
141N51201
Condition
Corroded
Location
Bs 333.45
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

BS 333.45, LBL 45.5 - 64, FLOORBEAM UPPER TEE FOUND CORRODED AT UPPER AND LOWER SURFACES. REMOVED AND REPLACED WITH NEW BEAM FABRICATED IAW DWG 141N5120 SHT.1 REV.A AND INSTALLED IAW EWG 141N5110 SHT.1 REV.B. REPAIR IS MAJOR.