Service difficulty report · Floorbeam · Boeing 757251

Difficulty date
January 30, 2020
Submitted
February 3, 2020
Operation
Air carrier
Aircraft
N555NW
Make and model
Boeing 757251
Aircraft serial
33391
Aircraft time
50,113 hours, 21,770 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 377
Stage of operation
IN
How discovered
9
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

SHIP 5655 INITIAL INSPECTION: CORROSION ON BEAM STA 377 RBL 20 TO LBL 20 AT FWD WET AREA. CORRECTIVE ACTION: SUMMARY: OF NRC 00425 CORROSION LEVEL 2 ON FLOOR BEAM STA 377 RBL 20 TO LBL 20 WAS REPAIRED PER. B757-200 S.R.M. (1467554)