Service difficulty report · Crease Beam · Boeing 7377H4

Difficulty date
July 21, 2020
Submitted
July 27, 2020
Operation
Air carrier
Aircraft
N485WN
Make and model
Boeing 7377H4
Aircraft serial
32473
Aircraft time
55,044 hours, 32,732 cycles
Part
Crease Beam
Part number
141A8310
Condition
Corroded
Location
Bs 312
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

R1 DOOR LOWER CUTOUT AREA CREASE BEAM INNER CHORD UPPER SURFACE CORRODED STA 312+12'; RBL60; WL 208. REMOVED AND INSTALLED NEW CREASE BEAM - INNER CHORD AT R-1 DOOR LOWER CUT OUT FROM STA 277 TO STA 360 REB 60 WL 208.0 IAW B737-700 SRM 51-40-02-0G-0 / 51-40-05-0G-0 / DRAWG # 141A8310

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