Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
December 11, 2024
Submitted
January 17, 2025
Operation
Air carrier
Aircraft
N8609A
Make and model
Boeing 7378H4
Aircraft serial
36893
Aircraft time
40,314 hours, 19,006 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
U
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 EXISTING REPAIR ON UPPER T-CHORD FLOOR BEAM LOCATED BS947.5 AT RBL 50 AT AFT GALLEY AREA 2024-762763<[01] TOOL USED ON STEP 5 ULTRASONIC THICKNESS GAUGE P/N 45MG; S/N 130066701 DUE DATE 12-JUL-25;[02] PERFORMED PERMANENT REPAIR ON FLOOR BEAM 947.5 LOCATED BETWEEN LBL 15 TO RBL 60 AT AFT GALLEY AREA IAW B737-800 SRM 53-70-51-2R-5 REPAIR 5 AND EA 21-153-00314 PART 1. SEE INDIVIDUAL SIGN OFF BELOW.;[03] PERFORMED PERMANENT REPAIR ON FLOOR BEAM 947.5 LOCATED BETWEEN LBL 15 TO RBL 60 AT AFT GALLEY AREA IAW B737-800 SRM 53-70-51-2R-5 REPAIR 5 AND EA 21-153-00314 PART 1. SEE INDIVIDUAL SIGN OFF BELOW. AS RII

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