Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
April 25, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N473WN
Make and model
Boeing 7377H4
Aircraft serial
33832
Aircraft time
60,134 hours, 35,574 cycles
Part
Floorbeam
Part number
147A55068
Condition
Corroded
Location
Aft Galley
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 986.5 BTW RBL 39 TO RBL 44 AND WL 208.1 AFT GALLEY AREA 2022-207216 / [01] TOOL USED PN:35DL; SN:091419910; DUE DATE:26-JAN-23.;[02] ET TOOL USED: PN: PHASEC 3D; SN: 587435 /03; DUE DATE: 22 -DEC -22;[03] REPAIRED FLOOR BEAM 986.5 BTW RBL 30.00 TO RBL 50.00 AND AT WL 208.1 AFT GALLEY AREA IAW EA 22-153-01411-WIP1 BARCODE (TTG8Q00CEYZ4) AND EA 22-153-01411 BARCODE (TTG8Q00CL5RG) SEE INDIVIDUAL SIGN OFF BELOW.;[04] REPAIRED FLOOR BEAM 986.5 BTW RBL 30.00 TO RBL 50.00 AND AT WL 208.1 AFT GALLEY AREA IAW EA 22-153-01411-WIP1 BARCODE (TTG8Q00CEYZ4) AND EA 22-153-01411 BARCODE (TTG8Q00CL5RG) RII. SEE INDIVIDUAL SIGN OFF BELOW.

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