Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
September 5, 2024
Submitted
October 14, 2024
Operation
Air carrier
Aircraft
N8325D
Make and model
Boeing 7378H4
Aircraft serial
37003
Aircraft time
38,857 hours, 18,157 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
V
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 EXISTING REPAIR LOCATED FLOOR BEAM BS947.5 WL208.1 AND RBL22 TO RBL54 AFT GALLEY AREA 2024-558915<[01] TOOL USED IN STEP 5: UT EQUIPMENT; P/N: 45MG; S/N: 130064101 DUE DATE: 13-DEC-24;[02] TOOL USED: DIGITAL CALIPER P/N: 500-197-30; S/N: A18135108 AND DUE DATE: 12-JUL-25;[03] TOOL USED: FLAP SPEED FOR FLAP PEENING; P/N :FPK-PRO-105; S/N: PRO-3907 DUE DATE: 17 -APR -25.;[04] PERFORMED REPAIR AT FLOOR BEAM BS947.5 WL208.1 AND BL0 TO RBL61 AFT GALLEY AREA IAW B737-800 SRM 53-70-51-2R-5 REPAIR 5 ALTERNATIVE 2 TABLE 201 STEP 4.F (L) TO (M); SRM 51-40-02 AND EA #20-153-01582.;[05] CORRECTED STEP 4<BR>PERFORMED REPAIR AT FLOOR BEAM BS947.5 WL208.1 AND BL0 TO RBL61 AFT GALLEY AREA IAW B737-800 SRM 53-70-51-2R-5 REPAIR 5 ALTERNATIVE 2 TABLE 201; SRM 51-40-02 AND EA #20-153-01582. SEE INDIVIDUAL SIGN OFF BELOW.;[06] PERFORMED REPAIR AT FLOOR BEAM BS947.5 WL208.1 AND BL0 TO RBL61 AFT GALLEY AREA IAW B737-800 SRM 53-70-51-2R-5 REPAIR 5 ALTERNATIVE 2 TABLE 201; SRM 51-40-02 AND EA #20-153-01582. SEE INDIVIDUAL SIGN OFF BELOW.<BR>AS RII

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