Service difficulty report · Floorbeam · Boeing 737*

Difficulty date
February 2, 2022
Submitted
March 10, 2022
Operation
Air carrier
Aircraft
N458WN
Make and model
Boeing 737*
Aircraft serial
33857
Aircraft time
60,475 hours, 35,929 cycles
Part
Floorbeam
Part number
141A5504
Condition
Corroded
Location
Cabin Floor
Stage of operation
UK
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 BEAM LOCATED BS.328 RBL. 55 AND WL. 208.1 AT PASSENGER CABIN 2022-55682 / [01] TOOL USED EDDY CURRENT P/N: NORTEC 500D; S/N: N500X12101V022236; DUE DATE: 02-JUN-22 AND ELECTRONIC CALIPER P/N: 500-196-30; S/N: B21138031; DUE DATE: 07-DEC-22.;[02] TOOL 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 PERMANENT REPAIR LOCATED AT BS 328 BTW LBL 5.5 TO RBL 65 IAW B737-700 SRM 53-10-51-2R-7 REPAIR 7 ALTERNATIVE 2 . SEE INDIVIDUAL SIGNOFFS BELOW.;[04] CORRECTED STEP 3<BR>PERFORMED PERMANENT REPAIR ON FLOOR BEAM LOCATED AT BS 328 BTW LBL 5.5 TO RBL 65 IAW B737-700 SRM 53-10-51-2R-7 REPAIR 7 ALTERNATIVE 2 . SEE INDIVIDUAL SIGNOFFS BELOW.;[05] JOB COMPLETED AND CERTIFIED AS RII.