Service difficulty report · Crease Beam · Boeing 757251

Difficulty date
January 14, 2019
Submitted
January 18, 2019
Operation
Air carrier
Aircraft
N552NW
Make and model
Boeing 757251
Aircraft serial
26499
Aircraft time
47,670 hours, 21,236 cycles
Part
Crease Beam
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

SHIP 5652 INITIAL INSPECTION. COORROSION ON CREASE BEAM RT/LT BTW STA 1640-1681 AND RBL 58 AND LBL 58 AT FLOOR STRUCTURE WET AREA. CORRECTIVE ACTION: REFERENCE NRC 00214 (CORROSION LEVEL 2) CREASE BEAM RT/LT BTW STA 1640-1681 AND RBL 58 AND LBL 58 AT FLOOR STRUCTURE WERE REPLACED PER DWG REV.A. (0904038)