Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
June 13, 2024
Submitted
July 18, 2024
Operation
Air carrier
Aircraft
N251WN
Make and model
Boeing 7377H4
Aircraft serial
32510
Aircraft time
59,313 hours, 35,831 cycles
Part
Floorbeam
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 BEAM 986.5 LBL 43 AND WL 208.1 AT AFT GALLEY AREA 2024-393049<[01] TOOL USED IN STEP 5 AND 6: EDDY CURRENT INSTRUMENT P/N: NORTEC 600D; S/N: 210138503; DUE DATE: 21-JUL-24;[02] ON STEP 9; TOOL USED P/N: NORTEC 500D; S/N: 500X1693P030457; CAL DUE: 15-OCT-24.;[03] PERFORMED PERMANENT REPAIR LOCATED ON FLOOR BEAM 986.5 LBL 43 AND WL 208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. SEE INDIVIDUAL SIGNOFF BELOW.;[04] CORRECTED STEP 3. PERFORMED PERMANENT REPAIR LOCATED ON FLOOR BEAM 986.5 LBL 40 TO LBL 45 AND WL 208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. SEE INDIVIDUAL SIGNOFF BELOW.;[05] PERFORMED PERMANENT REPAIR LOCATED ON FLOOR BEAM 986.5 LBL 40 TO LBL 45 AND WL 208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. SEE INDIVIDUAL SIGNOFF BELOW. ITEM RII

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