Service difficulty report · Crease Beam · Boeing 7377H4

Difficulty date
April 7, 2026
Submitted
May 5, 2026
Operation
Air carrier
Aircraft
N928WN
Make and model
Boeing 7377H4
Aircraft serial
36890
Aircraft time
57,454 hours, 35,281 cycles
Part
Crease Beam
Condition
Corroded
Location
Zone 200
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

CORRROSION WAS FOUND ON CREASE BEAM WEBS AT BS 807-827, WL 208, L69. REMOVED AND REPLACED CREASE BEAM AT BS 807-827, WL 208 IAW SRM 51-40-02-0G-0 AND DWG 146A5900, REV-.

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