Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
April 28, 2023
Submitted
June 1, 2023
Operation
Air carrier
Aircraft
N226WN
Make and model
Boeing 7377H4
Aircraft serial
32494
Aircraft time
58,497 hours, 35,066 cycles
Part
Floorbeam
Condition
Cracked
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

CRACK FLOOR STRUCTURE BEAM LOCATED BETWEEN BS294.5 AND RBL51 AT FWD GALLEY AREA 2023-295235<[01] TOOL USED: EDDY CURRENT EQUIPMENT; P/N: NORTEC500D; S/N: N500X12101V022240; CAL DUE DATE: 12-MAR-24;[02] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 25-JAN-24.;[03] TOOL USED: FLAPSPEED; PN: FPK-PR0-104; SN: PR0-3448; DUE DATE: 27-JUN-23; CALIPER; PN: 500-196-30; B22072617; DUE DATE: 26-JUN-23;[04] PERFORMED PERMANENT REPAIR LOCATED ON FLOOR STRUCTURE BEAM BETWEEN BS294.5 AND RBL16 TO RBL51 AT FWD GALLEY AREA IAW B737-700 SRM 53-10-51-2R-16 REPAIR 16 AND DWG 141A5502 REV-. THIS REPAIR IS CATEGORY A NOT FURTHER ACTIONS OR INSPECTIONS REQUIRED. SEE INDIVIDUAL SIGN OFF BELOW.;[05] CERTIFIED STEP 4 COMPLETE RII <BR>PERFORMED PERMANENT REPAIR LOCATED ON FLOOR STRUCTURE BEAM BETWEEN BS294.5 AND RBL16 TO RBL51 AT FWD GALLEY AREA IAW B737-700 SRM 53-10-51-2R-16 REPAIR 16 AND DWG 141A5502 REV-. THIS REPAIR IS CATEGORY A NOT FURTHER ACTIONS OR INSPECTIONS REQUIRED. SEE INDIVIDUAL SIGN OFF BELOW.

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