Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
August 27, 2024
Submitted
October 7, 2024
Operation
Air carrier
Aircraft
N266WN
Make and model
Boeing 7377H4
Aircraft serial
32523
Aircraft time
58,186 hours, 34,914 cycles
Part
Floor Support
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 FLOOR STRUCTURE STIFFENER BTW BS 270 TO BS 294 LBL 13 AT LEVEL STR 17L AT FWD GALLEY AREA 2024-533474 CORROSION FLOOR STRUCTURE STIFFENER BTW BS 277 TO BS 294 LBL 13 AT LEVEL STR 17L AT FWD GALLEY AREA<[01] REPLACED INTERCOSTAL (FLOOR STRUCTURE STIFFENER) AND FASTENERS BTW BS 277 TO BS 294 LBL 13 AT LEVEL STR 17L AT FWD GALLEY AREA.IAW B737-700 SRM 51-40-02 SRM 51-10-02 ITEM 9 AND DWG 141A5600 SHEET 1 AND SHEET 2 REV.N .SEE INDIVIDUAL SIGN OFFS BELOW;[02] REPLACED INTERCOSTAL (FLOOR STRUCTURE STIFFENER) AND FASTENERS BTW BS 277 TO BS 294 LBL 13 AT LEVEL STR 17L AT FWD GALLEY AREA.IAW B737-700 SRM 51-40-02 SRM 51-10-02 ITEM 9 AND DWG 141A5600 SHEET 1 AND SHEET 2 REV.N .SEE INDIVIDUAL SIGN OFFS BELOW

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