Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
December 14, 2023
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N241WN
Make and model
Boeing 7377H4
Aircraft serial
32504
Aircraft time
58,382 hours, 35,036 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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 BEAM LOCATED986 RBL45 AND WL 208 AT PASSENGER CABIN 2023-756832<[01] TOOL USED THICKNESS GAGES PN: 45MG;SN:130060401; DUE DATE:20-MAR-24.;[02] EDDY CURRENT EQUIPMENT USED P/N: NORTE 600D; S/N: 210138103 AND DUE DATE: 02-MAY-24.;[03] TOOL USED ET EQUIPMENT: P/N: NORTEC 600D; S/N: 210138203; CAL DUE DATE: 09-JUN-24;[04] REPAIRED FLOOR BEAM LOCATED986 RBL45 AND WL 208 AT PASSENGER CABIN IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 FIGURE 205. SEE INDIVIDUAL SIGN-OFFS BELOW.;[05] REPAIRED FLOOR BEAM LOCATED986 RBL45 AND WL 208 AT PASSENGER CABIN IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 FIGURE 205. RII VERIFIED

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