Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
April 18, 2022
Submitted
May 12, 2022
Operation
Air carrier
Aircraft
N467WN
Make and model
Boeing 7377H4
Aircraft serial
33830
Aircraft time
60,732 hours, 35,930 cycles
Part
Floor Support
Part number
141A812U1
Condition
Corroded
Location
Fwd Galley
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 BS312 LBL64 WL208.1 FLOOR STRUCTURE AT FWD GALLEY AREA 2022-204673 / [01] TOOL USED: DIGITAL CALIPER P/N: 500-197-30; S/N: A21042060; DUE DATE: 10-AUG-22;[02] REPLACED INNER CHORD AND FASTENERS LOCATED BS312 LBL64 WL208.1 FLOOR STRUCTURE AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A8110 SHEET 9 REV A . SEE INDIVIDUAL SIGNOFFS BELOW.;[03] CORRECTED STEP 2.<BR>REPLACED INNER CHORD AND FASTENERS LOCATED BTW BS277 AND BS 360 LBL64 WL208.1 FLOOR STRUCTURE AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A8110 SHEET 9 REV A . SEE INDIVIDUAL SIGNOFFS BELOW.;[04] CERTIFIED RII WORK PERFORMED. <BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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