Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
July 6, 2024
Submitted
August 26, 2024
Operation
Air carrier
Aircraft
N262WN
Make and model
Boeing 7377H4
Aircraft serial
32519
Aircraft time
58,334 hours, 35,370 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 100
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 43 WL 208.1 AT AFT GALLEY AREA 2024-420778<[01] FLOR BEAM UPPER SURFACE LOCATED BS 986.5 LBL43 AFT GALEY AREA MUST BE REPAIR DUE TO CORROSION EXCEED ALLOWABLE DAMAGE LIMITS IAW B737-700 SRM 53-70-51-1A-1 ALLOWABLE DAMAGE 1 PARAGRAPH 4D(2) DETAIL A. THE MINIMUM REMAINING THICKNESS IS 0:020? TOOL USED ELECTRONIC CALIPER P/N 500-197-30; S/N B23316997; DUE DATE 14 /JAN /25;[02] FOR STEP 7 TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 500D; S/N:500X1693P030457; DUE DATE: 15-OCT-24.;[03] REPAIRED FLOOR BEAM BS 986.5 AND LBL 43 WL 208.1 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ; SEE INDIVIDUAL SIGN OFF BELOW.;[04] REPAIRED FLOOR BEAM BS 986.5 AND LBL 43 WL 208.1 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ; SEE INDIVIDUAL SIGN OFF BELOW.<BR>TASK RII CERTIFIED

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