Service difficulty report · Crease Beam · Boeing 7377H4

Difficulty date
March 4, 2021
Submitted
March 30, 2021
Operation
Air carrier
Aircraft
N746SW
Make and model
Boeing 7377H4
Aircraft serial
29798
Aircraft time
74,212 hours, 43,790 cycles
Part
Crease Beam
Condition
Corroded
Location
Fuselage
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

CORROSION ON INBD CREASE BEAM CHORD AROUND FLOORPANEL HOLES BS 706727 RBL64 WL 208 CORROSION ON IB CREASE BEAM CHORD BS 706727 RBL 64 WL 208 FOUND TO BE OUT OF LIMITS PER SRM 5340131A1 REMOVED AND REPLACED IB CREASE BEAM CHORD BS 673 - 727+5' RBL 64 WL 208 PER SRM 514002; SRM 514005; MM 206007; MM 212303; MM 512191 AND DWG# 144A5900 REV

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