Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
April 23, 2022
Submitted
May 23, 2022
Operation
Air carrier
Aircraft
N474WN
Make and model
Boeing 7377H4
Aircraft serial
33861
Aircraft time
59,626 hours, 35,442 cycles
Part
Floorbeam
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 ON FLOOR BEAM LOCATED ON BS 294.5 LBL 10 AND WL 208.1 FWD GALLEY AREA 2022-211490 / [01] TOOL USED PN NORTEC 600D; SN. 60009161631; DUE DATE: 03-DEC-22;[02] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 02-FEB-23; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 02-FEB-23.;[03] PERFORMED REPAIR CATEGORY A ON FLOOR BEAM BS294.5 LOCATED BTW RBL35 TO LBL35 AND WL 208.1 AT FWD GALLEY AREA IAW B737-700 SRM 53-10-51-2R-16 REPAIR 16 ALTERNATIVE 1. SEE INDIVIDUAL SIGNOFFS BELOW;[04] PERFORMED REPAIR CATEGORY A ON FLOOR BEAM BS294.5 LOCATED BTW RBL35 TO LBL35 AND WL 208.1 AT FWD GALLEY AREA IAW B737-700 SRM 53-10-51-2R-16 REPAIR 16 ALTERNATIVE 1.

More about the Boeing 737-7H4