Service difficulty report · Floorbeam · Boeing 757251

Difficulty date
November 12, 2010
Submitted
December 1, 2010
Operation
Air carrier
Aircraft
N533US
Make and model
Boeing 757251
Aircraft serial
24264
Aircraft time
70,100 hours, 28,578 cycles
Engine
Pwa PW2037
Part
Floorbeam
Condition
Corroded
Location
Bs 365
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

DURING M-CHECK FOUND RT NLG W/W TUNNEL, STA 365, LBL 24 TO RBL 24, FLOORBEAM HAS CORROSION. FABRICATED REPLACEMENT CHORD, 02 EA REPAIR ANGLES, AND 02 EA REPAIR STRAPS, TO FLOORBEAM 70 IAW SRM 53-00-51, REPAIR 3, PAGE 203, FIG 201. TREATED AND PRIMED REPLACEMENT CHORD, 02 EA ANGLES, AND 02 EA STRAPS, TO FLOORBEAM REPAIR IAW SRM 53-00-51, PAGE 201, FIG 201, AND REPAIR 3. INSTALLED REPLACEMENT CHORD, 02 EA ANGLES, AND 02 EA STRAPS ON FLOORBEAM IAW SRM 53-00-51, PAGE 201, FIG 201, REPAIR 3. REINSTALLED PARTS (DOUBLER AND FILLER) ON STA 365.5, RBL 45, IN REF TO SRM 51-40-02, PAGE 4 PARAGRAPH 7.