Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
December 18, 2023
Submitted
January 17, 2024
Operation
Air carrier
Aircraft
N237WN
Make and model
Boeing 7377H4
Aircraft serial
34632
Aircraft time
58,916 hours, 35,293 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 STRUCTURE BEAM ON BS 986.5 AT RBL 45.5 AND WL 208.1 AT AFT GALLEY AREA 2023-761684<[01] TOOL USED: ULTRASONIC EQUIPMENT; P/N: 45 MG; S/N: 130066401; DUE DATE: 05-OCT-24.;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR P/N: NORTEC 600; S/N: 60007161486; DUE DATE: 28-JUL-24;[03] TOOL USED: EDDY CURRENT FLAW DETECTOR P/N: NORTEC 600; S/N: 200048001; DUE DATE:01-MAY -24;[04] PERFORMED PERMANENT REPAIR LOCATED ON FLOOR STRUCTURE BEAM BS 986.5 BTW RBL 36 TO RBL 46 AND WL 208.1 AT AFT GALLEY AREA.IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. SEE INDIVIDUAL SIGN OFFS BELOW.;[05] TASK COMPLETED ; RII <BR>SEE INDIVIDUAL SIGN OFFS BELOW

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