Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date
November 30, 2023
Submitted
December 29, 2023
Operation
Air carrier
Aircraft
N7752B
Make and model
Boeing 7377BD
Aircraft serial
33943
Aircraft time
49,226 hours, 25,511 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 BS986.5 RBL43.5 WL208.1 AT AFT GALLEY AREA 2023-750327<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR P/N: NORTEC 00D; S/N: 190023010; DUE DATE: 24-JUL-24;[02] REPAIRED FLOOR BEAM BS986.5 RBL43.5 WL208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 FIGURE 205.;[03] CORRECTED STEP 2: <BR>REPAIRED FLOOR BEAM BS986.5 RBL43.5 WL208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 FIGURE 205. SEE INDIVIDUAL SIGN-OFFS BELOW.;[04] REPAIRED FLOOR BEAM BS986.5 RBL43.5 WL208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 FIGURE 205. SEE INDIVIDUAL SIGN-OFFS BELOW.<BR>AS RII

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