Service difficulty report · Frame · Boeing 7377H4

Difficulty date
July 4, 2024
Submitted
August 13, 2024
Operation
Air carrier
Aircraft
N257WN
Make and model
Boeing 7377H4
Aircraft serial
32515
Aircraft time
59,419 hours, 35,640 cycles
Part
Frame
Condition
Corroded
Location
Zone 200
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 303 FRAME; LBL 58; WL 209-211.<[01] REMOVED CORROSION ON FRAME BS 303.9 LBL 55 WL 209-211 IN A 3.1' X 1.4' X .037' FROM ORIGINAL THICKNESS OF .330'. FOUND TO BE OUT OF LIMITS. ACCOMPLISHED REPAIR TO BS 303.9 FRAME IAW EA 24-153-01913;[02] VERIFIED CORRECTIVE ACTION #1

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