Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
May 20, 2023
Submitted
June 20, 2023
Operation
Air carrier
Aircraft
N223WN
Make and model
Boeing 7377H4
Aircraft serial
32492
Aircraft time
58,632 hours, 35,032 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 FLOOR STRUCTURE BEAM LOCATED BS986.5 AT LBL43 AND WL208.1 AT AFT GALLEY AREA 2023-334412<[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:210138103; DUE DATE:02-MAY-24;[03] PERFORMED PERMANENT REPAIR ON FLOOR BEAM BSTA 986.5 AT LBL 43. AND WL 208.1 AFT GALLEY AREA. IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. FIG. 205. SEE INDIVIDUAL SIGN OFF BELOW.;[04] PERFORMED PERMANENT REPAIR ON FLOOR BEAM BSTA 986.5 AT LBL 43. AND WL 208.1 AFT GALLEY AREA. IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. FIG. 205. SEE INDIVIDUAL SIGN OFF BELOW.RII CERTIFIED

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