Service difficulty report · Frame · Boeing 7377H4

Difficulty date
August 7, 2026
Submitted
September 11, 2026
Operation
Air carrier
Aircraft
N931WN
Make and model
Boeing 7377H4
Aircraft serial
36637
Aircraft time
56,214 hours, 34,452 cycles
Part
Frame
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

CORROSION ON FRAME AT BS 303 LBL55 WL210. REWORKED PER EA 26-153-02140 WITH AN INSPECTION THRESHOLD DEFINED IN 26-153-02140-DTI.

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