Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
July 6, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N229WN
Make and model
Boeing 7377H4
Aircraft serial
32498
Aircraft time
58,665 hours, 35,024 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 BS 328 FLOOR BEAM RBL 42 WL 208.<[01] ADDED ELEMENT P/N TO MEASUREMENT TABLE;[02] VERIFIED SRM APPLICABILITY OF SRM 53-10-51-2R-7.;[03] UPDATED/CORRECTED STEP 1;[04] ACCOMPLISHED HFEC SURFACE SCAN OF CUT EDGE IAW 737 NDTM PART 6 CHAPTER 51-00-00 PROCEDURE 23. NO CRACKS NOTED.<BR><BR>EQUIPMENT USED: NORTEC 600 ID: ATS1465 CAL DUE: 09/2023;[05] UPDATE STEP 14 OK TO INSTALL REPAIR PARTS OF;[06] VERIFIED PARTIAL UPDATE FOR STEP 14.;[07] VERIFIED PARTIAL STEPS 7-13.;[08] UPDATED STEP 14;[09] COMPLETED INSTALLATION BS 328 FLOOR BEAM REPAIR ALL STEPS VERIFIED I.A.W SRM 53-10-51-2R-7;[10] FAULT COMPLETE

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