Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
August 19, 2023
Submitted
September 25, 2023
Operation
Air carrier
Aircraft
N227WN
Make and model
Boeing 7377H4
Aircraft serial
34450
Aircraft time
59,279 hours, 35,528 cycles
Part
Intercostal
Part number
UNKNOWN
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 WEB FLOOR STRUCTURE LOCATED BTW BS 294.5 TO BS 312 LBL 6 AT FWD GALLEY AREA 2023-530690<[01] REPLACED INTERCOSTAL WEB FLOOR STRUCTURE LOCATED BTW BS 294.5 TO BS 312 LBL 6 AT FWD GALLEY AREA AND FASTENERS IAW B737-700 SRM 51-40-02-0G-0 AND DWG 141A5600 SHEET:1 AND 2 REV:N SEE INDIVIDUAL SIGN OFF BELOW;[02] TASK COMPLETED; RII <BR><BR>SEE INDIVIDUAL SIGN OFFS BELOW

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