Service difficulty report · None · Boeing 7377H4

Difficulty date
January 10, 2022
Submitted
February 18, 2022
Operation
Air carrier
Aircraft
N459WN
Make and model
Boeing 7377H4
Aircraft serial
32497
Aircraft time
57,967 hours, 34,457 cycles
Part
None
Condition
Corroded
Location
Aft Galley
Stage of operation
UK
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 BS967 PLUS 16 INCH; WL208.1 AND LEVEL STR17L AT AFT GALLEY AREA 2022-15905 / [01] TOOL USED DIGITAL CALIPER P/N: 500-197-30 S/N: A21147861 DUE DATE: 05-OCT-22;[02] TOOL USED P/N:45MG S/N:130064101 CAL DUE DATE: 11-MAY-22;[03] REPLACED INNER CHORD AND FASTENERS LOCATED STA 887 TO STA 1006 WL208.1 AND LEVEL STR17L AT AFT GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG 147A8501 SHEET 78 REV B. SEE INDIVIDUAL SING OFF BELOW.;[04] REPLACED INNER CHORD AND FASTENERS LOCATED STA 887 TO STA 1006 WL208.1 AND LEVEL STR17L AT AFT GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG 147A8501 SHEET 78 REV B. <BR>RII ACCOMPLISHED <BR>SEE INDIVIDUAL SING OFF BELOW

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