Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
October 1, 2022
Submitted
November 1, 2022
Operation
Air carrier
Aircraft
N204WN
Make and model
Boeing 7377H4
Aircraft serial
29855
Aircraft time
59,632 hours, 35,273 cycles
Part
Floorbeam
Part number
147A550611
Condition
Corroded
Location
Zn 900 Lav/Galle
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 LBL 43 WL 208.1 ON FLOOR STRUCTURE AT AFT GALLEY AREA 2022-517139 / [01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 210138503; CAL DUE DATE: 19-MAY-23;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 210136503; CAL DUE DATE: 11-APR-23;[03] REPAIRED FLOOR BEAM 986.5 LBL 43 WL 208.1 ON FLOOR STRUCTURE AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 SEE INDIVIDUALS SIGN OFF BELOW;[04] REPAIRED FLOOR BEAM 986.5 LBL 43 WL 208.1 ON FLOOR STRUCTURE AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 SEE INDIVIDUALS SIGN OFF BELOW

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