Service difficulty report · Floorbeam · Boeing 73776N

Difficulty date
November 3, 2023
Submitted
December 7, 2023
Operation
Air carrier
Aircraft
N7846A
Make and model
Boeing 73776N
Aircraft serial
35218
Aircraft time
46,897 hours, 32,587 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 EXISTING REPAIR FLOOR BEAM LOCATED BS 986.5 AND RBL 43 WL 208.1 AT AFT GALLEY AREA 2023-682149<[01] TOOL USED: ULTRASONIC THICKNESS GAGE. P/N: 45MG. S/N: 232019809. DUE DATE: 22-SEP-24.;[02] TOOL USED: EDDY CURRENT EQUIPMENT PN: NORTEC 600D SN: 190023010; DUE DATE: 24-JUL-24;[03] TOOL USED: EDDY CURRENT EQUIPMENT; P/N: NORTEC 500D; S/N: N500X1693P030456; DUE DATE: 12 MAR 24.;[04] PERFORMED PERMANENT REPAIRED ON FLOOR BEAM LOCATED BS 986.5 AND RBL 43 WL 208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 SEE INDIVIDUAL SIGNOFFS BELOW.;[05] PERFORMED PERMANENT REPAIRED ON FLOOR BEAM LOCATED BS 986.5 AND RBL 43 WL 208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 SEE INDIVIDUAL SIGNOFFS BELOW. AS RII

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