Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
November 9, 2023
Submitted
December 11, 2023
Operation
Air carrier
Aircraft
N917WN
Make and model
Boeing 7377H4
Aircraft serial
36624
Aircraft time
50,873 hours, 30,732 cycles
Part
Floor Support
Part number
NOTREPORTED
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 INNER CHORD LOCATED ON FLOOR STRUCTURE BTW BS 312 TO BS 328 AT FWD GALLEY AREA WL 208.1 2023-694787<[01] REPLACED INNER CHORD LOCATED ON FLOOR STRUCTURE BTW BS270 TO BS360 AT FWD GALLEY AREA WL 208.1 .IAW B737-700 SRM 51-40-02-0G-0 AND DWG 141A8110 SHEET 11 REV- DWG 141A8110 SHEET 9 REV A DWG 142A0050 SHEET 15 REV- DWG 141A8310 SHEET 25 REV B;[02] CORRECTED STEP 1<BR>REPLACED INNER CHORD LOCATED ON FLOOR STRUCTURE BTW BS270 TO BS360 AT FWD GALLEY AREA WL 208.1 .IAW B737-700 SRM 51-40-02-0G-0 AND DWG 141A8110 SHEET 11 REV- DWG 141A8110 SHEET 9 REV A DWG 142A0050 SHEET 15 REV- DWG 141A8310 SHEET 25 REV B SEE INDIVIDUAL SIGN OFF BELOW.;[03] REPLACED INNER CHORD LOCATED ON FLOOR STRUCTURE BTW BS270 TO BS360 AT FWD GALLEY AREA WL 208.1 .IAW B737-700 SRM 51-40-02-0G-0 AND DWG 141A8110 SHEET 11 REV- DWG 141A8110 SHEET 9 REV A DWG 142A0050 SHEET 15 REV- DWG 141A8310 SHEET 25 REV B SEE INDIVIDUAL SIGN OFF BELOW.AS RII.JOB COMPLETED.

More about the Boeing 737-7H4