Service difficulty report · Structure · Boeing 7377H4

Difficulty date
March 20, 2022
Submitted
April 19, 2022
Operation
Air carrier
Aircraft
N463WN
Make and model
Boeing 7377H4
Aircraft serial
32467
Aircraft time
60,007 hours, 35,725 cycles
Part
Structure
Condition
Corroded
Location
Fuselage
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 INNER CHORD LOCATED BETWEEN BS 270 AND BS 360 LBL57 WL208.1 AT FWD GALLEY AREA 2022-148050 / [01] TOOL USED DIGITAL CALIPER P/N:500-197-30 S/N: A21143429 DUE DATE:11-OCT-22;[02] REPLACED NEW INER CHORD LOC. BETWEEN BS 270 AND BS 360 LBL57 WL208.1 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 AND DWG 141A8110 SHEET 11 REV:* AND DWG 143A5900 SHEET 137 REV: A SEE INDIVIDUAL SIGN-OFF BELOW;[03] REPLACED NEW INER CHORD LOC. BETWEEN BS 270 AND BS 360 LBL57 WL208.1 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 AND DWG 141A8110 SHEET 11 REV:* AND DWG 143A5900 SHEET 137 REV: A SEE INDIVIDUAL SIGN-OFF BELOW AS RII

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