Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
July 2, 2023
Submitted
August 4, 2023
Operation
Air carrier
Aircraft
N228WN
Make and model
Boeing 7377H4
Aircraft serial
32496
Aircraft time
58,313 hours, 35,117 cycles
Part
Floorbeam
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 FLOOR BEAM 986.5 RBL 43 WL 208.1 AT AFT GALLEY AREA 2023-422400<[01] TOOL USED: THICKNESS GAGE. P/N: 45MG; S/N: 130060401; DUE DATE: 20-MAR-24.;[02] TOOL USED: EDDY CURRENT EQUIPMENT. P/N: NORTEC 600D. S/N: 220273012. DUE DATE: 17-DEC-23.;[03] REPAIRED FLOOR BEAM 986.5 RBL 43 WL 208.1 AT AFT GALLEY AREA IAW B737-700 SRM-53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 FIG. 205. SEE INDIVIDUAL SIGN-OFF BELOW.;[04] REPAIRED FLOOR BEAM 986.5 RBL 43 WL 208.1 AT AFT GALLEY AREA IAW B737-700 SRM-53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 FIG. 205. SEE INDIVIDUAL SIGN-OFF BELOW.<BR>AS RII

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