Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
March 12, 2023
Submitted
April 17, 2023
Operation
Air carrier
Aircraft
N221WN
Make and model
Boeing 7377H4
Aircraft serial
34259
Aircraft time
58,906 hours, 34,822 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 FLOOR STRUCTURE INTERCOSTAL BRAKE PANEL LOCATED BTW BS 312 TO BS 328 WL 208.1 RBL 10 AT FWD GALLEY AREA 2023-185317<[01] REPLACED FLOOR STRUCTURE INTERCOSTAL BRAKE PANEL LOCATED BTW BS 312 TO BS 328 WL 208.1 RBL 10 AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A5400 SHEET 10 REV- .SEE INDIVIDUAL SIGN-OFF BELOW.;[02] TASK COMPLETED ; RII <BR>SEE INDIVIDUAL SIGN-OFF BELOW

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