Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 4, 2022
Submitted
October 10, 2022
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
56,646 hours, 33,713 cycles
Part
Support
Condition
Corroded
Location
Fuselage
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 SUPPORT BEAM LOCATED BS986.5 RBL45 WL208.1 AT AFT GALLEY AREA 2022-486072 / [01] TOOL USED : DIGITAL CALIPER ; P/N 8647A42; S/N B22058408; DUE DATE: 27/AUG/23; DEPTH GAGES P/N 20915A21 S/N 009295 DUE DATE 06/JUL/23;[02] TOOL USED THICKNESS GAUGE PN/ 38DL PLUS ; SN/ 120398603; DUE DATE/ 18-OCT-22.;[08] PERFORMED PERMANENT REPAIR ON FLOOR BEAM LOCATED BS986.5 ; LBL45 AND WL208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 AND SRM 51-40-02; MATERIAL USED STRAP [1] P/N: 7075-T6 0.100; P/O: 2012 545965; ANGLE [2] P/N: BAC1490-2887; P/O: 2022 166336 AND FILLER [3] P/N: 7075T6-0.150; P/O: 2022 160812; SEE INDIVIDUAL SIGN OFFS BELOW.

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