Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
July 15, 2023
Submitted
August 14, 2023
Operation
Air carrier
Aircraft
N296WN
Make and model
Boeing 7377H4
Aircraft serial
36613
Aircraft time
52,196 hours, 31,408 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 BS 986.5 AT RBL 54 AND WL 208.1 AFT GALLEY AREA 2023-444058<[01] TOOL USED UT EQUIPMENT P/N: 45MG; S/N: 221860711; CAL DUE DATE: 07-NOV-23;[02] TOOL USED EDDY CURRENT EQUIPMENT PN. NORTEC 600D; SN 220272712; DUE DATE 17-DEC-23;[03] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 220273012; DUE DATE 17-DEC-23;[04] PERFORMED PERMANENT REPAIR ON FLOOR BEAM BS 986.5 BETWEEN RBL37 TO RBL46 AND WL208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 FIGURE 205 ALTERNATIVE 4.<BR>SEE INDIVIDUAL SING-OFF BELLOW.;[05] CORRECTED ITEM 4 DUE TO TYPE ERROR: PERFORMED PERMANENT REPAIR ON FLOOR BEAM BS 986.5 BETWEEN RBL37 TO RBL46 AND WL208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 FIGURE 205 ALTERNATIVE 4. <BR>SEE INDIVIDUAL SIGN OFF BELLOW.;[06] TASK CARD COMPLETE AND CERTIFIED AS RII. <BR><BR><BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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