Service difficulty report · Structure · Boeing 7377H4

Difficulty date
May 1, 2023
Submitted
June 13, 2023
Operation
Air carrier
Aircraft
N222WN
Make and model
Boeing 7377H4
Aircraft serial
34290
Aircraft time
58,122 hours, 34,829 cycles
Part
Structure
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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* FWD CABIN LT SIDE AT L-1 DOOR ENTRY INNER CHORD BETWEEN STA 312 AND STA 344 BETWEEN LBL 57 AND 62 WL 208.1 HAS CORROSION AS MARKED. 124-020<[01] L1 INNER CHORD WAS REMOVED AND REPLACED ON FAULT (TTG8Q00KS9XS).;[02] VERIFIED STEP #1. L1 INNER CHORD WAS REMOVED AND REPLACED ON FAULT (TTG8Q00KS9XS).

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