Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
November 4, 2024
Submitted
December 6, 2024
Operation
Air carrier
Aircraft
N8605E
Make and model
Boeing 7378H4
Aircraft serial
36891
Aircraft time
39,948 hours, 18,873 cycles
Part
Intercostal
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 ON INTERCOSTAL LOCATED FLOOR STRUCTURE BS 294.5 TO BS 312 AND RBL 12 WL 208.1 AT FWD GALLEY AREA 2024-686164<[01] REPLACED INTERCOSTAL-PANEL BREAK AND FASTENERS LOCATED FLOOR STRUCTURE BS 294.5 TO BS 312 AND RBL 12 WL 208.1 AT FWD GALLEY AREA IAW B737-800 SRM 51-10-02 Ï¿½TEM 9; SRM 51-40-02 AND DWG: 141A5400 SHEET: 8 REV: - .;[02] CORRECTED STEP # 1REPLACED INTERCOSTAL-PANEL BREAK AND FASTENERS LOCATED FLOOR STRUCTURE BS 294.5 TO BS 312 AND RBL 12 WL 208.1 AT FWD GALLEY AREA IAW B737-800 SRM 51-10-02 Ï¿½TEM 9; SRM 51-40-02 AND DWG: 141A5400 SHEET: 8 REV: - SEE INDIVIDUAL SING-OFF BELOW;[03] REPLACED INTERCOSTAL-PANEL BREAK AND FASTENERS LOCATED FLOOR STRUCTURE BS 294.5 TO BS 312 AND RBL 12 WL 208.1 AT FWD GALLEY AREA IAW B737-800 SRM 51-10-02 Ï¿½TEM 9; SRM 51-40-02 AND DWG: 141A5400 SHEET: 8 REV: - SEE INDIVIDUAL SING-OFF BELOW

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