Service difficulty report · Floorbeam · Boeing 757251

Difficulty date
March 10, 2011
Submitted
March 11, 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 LBL 62 BET FLOORBEAM STA 365 TO STA 377 BOX BEAM HAS CORROSION AS MARKED. REMOVED CORROSION, AFTER REWORK, DEPTH (.014) ORIGINAL MAT (.050) OUT OF LIMITS PER SRM 53-00-51, FIG 101 FABRICATED NEW BOX BEAM PER STAM TRAVELER T11/873094. INSTALLED BOX BEAM SUPPORT IAW SRM 51-40-02.