Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
October 24, 2023
Submitted
November 28, 2023
Operation
Air carrier
Aircraft
N968WN
Make and model
Boeing 7377H4
Aircraft serial
36679
Aircraft time
38,431 hours, 23,571 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 ON FLOOR BEAM LOCATED BS 986.5 LBL 42 WL 208.1 AT AFT GALLEY AREA 2023-661415<[01] TOOL USED: ULTRASONIC THICKNESS GAGE; P/N: 45MG; S/N: 130060401 DUE DATE: 20-MAR-24;[02] EDDY CURRENT EQUIPMENT USED P/N: NORTEC 600D; S/N: 200053402 AND DUE DATE: 24-AUG-24.;[03] REPAIRED FLOOR BEAM LOCATED BS 986.5 LBL 39 TO LBL 47 WL 208.1 AT AFT GALLEY AREA I.A.W B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4; SEE INDIVIDUAL SIGN-OFF BELOW;[04] REPAIRED FLOOR BEAM LOCATED BS 986.5 LBL 39 TO LBL 47 WL 208.1 AT AFT GALLEY AREA I.A.W B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4; SEE INDIVIDUAL SIGN-OFF BELOW<BR>CERTIFIED AS RII

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