Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
June 10, 2023
Submitted
July 6, 2023
Operation
Air carrier
Aircraft
N287WN
Make and model
Boeing 7377H4
Aircraft serial
32537
Aircraft time
52,678 hours, 31,753 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 FLOOR BEAM 986.5 LBL 43 WL 208.1 AT AFT GALLEY AREA 2023-378097<[01] EDDY CURRENT EQUIPMENT P/N: NORTEC500D; S/N: N500X12101V022235; DUE DATE: 03-AUG-23.;[02] TOOL USED P/N FPK-PRO-104 S/N PRO-3384 CAL DUE DATE 24 APR 23.;[03] PERFORMED PERMANENT REPAIR LOCATED ON FLOOR STRUCTURE FLOOR BEAM 986.5 LBL 43 WL 208.1 AT AFT GALLEY AREA.IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. MATERIAL USED : STRAP 7075-T6 0.100? P.O: 2012 531818; ANGLE BAC1490-2887 P.O: 2023 124527 FILLER 7075-T6 0.150? P.O:2023 109423. SEE INDIVIDUAL SIGN OFF BELOW;[04] CORRECTED STEP 2: <BR>TOOL USED P/N FPK-PRO-104 S/N PRO-3384 CAL DUE DATE 24 APR 24.;[05] PERFORMED PERMANENT REPAIR LOCATED ON FLOOR STRUCTURE FLOOR BEAM 986.5 LBL 43 WL 208.1 AT AFT GALLEY AREA.IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. MATERIAL USED : STRAP 7075-T6 0.100? P.O: 2012 531818; ANGLE BAC1490-2887 P.O: 2023 124527 FILLER 7075-T6 0.150? P.O:2023 109423. RII SEE INDIVIDUAL SIGN OFF BELOW.

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