Service difficulty report · Floorbeam · Boeing 757251

Difficulty date
November 14, 2010
Submitted
December 3, 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 345
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 MAIN CABIN FLOORBEAM CORRODED ON UPPER SURFACE OF REPAIR CHORD EXTENDING ONTO ORIGINAL CHORD ON BOTH ENDS, STA 345, RBL 36 TO LBL 18. REMOVED CORRODED EXISTING REPAIR FLOORBEAM STA 345 CUT OUT FLOORBEAM FROM LBL 53 TO RBL 36, FABRICATED REPLACEMENT CHORD, LOCATED & DRILLED, TREATED & PRIMED AND INSTALLED REPLACEMENT PARTS AT STA 345, LBL 53 TO RBL 36 IN REF TO SRM 53-00-51, REP 3, FIG 201, PG 201 TO 206 & B757-A-53-01-07 -801-663A-A.