Service difficulty report · Floorbeam · Boeing 757251

Difficulty date
March 17, 2011
Submitted
March 18, 2011
Operation
Air carrier
Aircraft
N521US
Make and model
Boeing 757251
Aircraft serial
23209
Aircraft time
77,302 hours, 32,235 cycles
Part
Floorbeam
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

AT RBL 13 BET FLOORBEAM STA 365TO STA 377 BOX BEAM HAS CORROSION AS MARKED. REMOVED BOX BEAM IAW SRM 51-40-02, FABRICATED NEW BOX BEAM AND ANGLES PER DWG 141N5162. LOCATED AND DRILLED NEW PARTS IAW SRM 51-40-05, TREATED & PRIMED IAW SRM 51-20-01, TOP COATED IAW SRM 51-20-10. INSTALLED ALL PARTS IAW SRM 51-40-02 94EA.