Service difficulty report · Beam · Boeing 7377H4

Difficulty date
February 7, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N219WN
Make and model
Boeing 7377H4
Aircraft serial
32490
Aircraft time
58,692 hours, 35,153 cycles
Part
Beam
Condition
Corroded
Location
Zn 100 Fus Lower
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 LOC STA 986.5 BTW RBL 40 TO RBL 45 AND WL 208.1 AT AFT GALLEY AREA 2023-112824<[01] TOOL USED: CALIPER; PN: 500-752-20; SN: B20317422; DUE DATE: 29-AUG-23.;[02] RADIUS GAUGE; PN: 2204A3; SN: AE-408657; DUE DATE: 14-FEB-23.;[03] TOOL USED: ET EQUIPMENT P/N: NORTEC 500D; S/N: N500X12101V022233; DUE DATE: 30-AUG-23;[04] TOOL USED: FLAPSPEED; PN: FPK-PRO-104; SN: PRO-3384; DUE DATE: 27-JUN-23.;[05] PERFORMED REPAIR ON FLOOR BEAM 986.5 BTW RBL 40 TO RBL 45 AND WL 208.1 AT AFT GALLY AREA IAW SRM B737-700 53-70-51-2R-6 REPAIR 6 SEE INDIVIDUAL SIGN OFF BELOW;[06] PERFORMED REPAIR ON FLOOR BEAM 986.5 BTW RBL 40 TO RBL 45 AND WL 208.1 AT AFT GALLY AREA IAW SRM B737-700 53-70-51-2R-6 REPAIR 6 SEE INDIVIDUAL SIGN OFF BELOW AS RII

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