Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
June 16, 2021
Submitted
July 19, 2021
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
54,253 hours, 32,244 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 540 Lbl 1
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

CRACKED BREAK PANEL BS 540 LBL 1 WL 208. ; / [01] REMOVED CRACKED BREAK PANEL ASSY BS 540; BL 0 - LBL 25; WL 208 PER SRM 51-40-02-0G-0.; [02] LOCATED AND DRILLED NEW BREAK PANEL ASSY BS 540; BL 0 - LBL 25; WL 208 PER SRM 51-40-05-0G-0. OK TO INSTALL NEW BREAK PANEL ASSY BS 540; BL 0 - LBL 25; WL 208.; [03] VERIFIED LOCATED AND DRILLED NEW BREAK PANEL ASSY BS 540; BL 0 - LBL 25; WL 208 PER SRM 51-40-05-0G-0. OK TO INSTALL NEW BREAK PANEL ASSY BS 540; BL 0 - LBL 25; WL 208.; [04] INSTALLED NEW BREAK PANEL ASSY BS 540; BL 0 - LBL 25; WL 208 PER SRM 51-40-02-0G-0 AND BOEING DWG 143A5240.; [05] VERIFIED INSTALLED NEW BREAK PANEL ASSY BS 540; BL 0 - LBL 25; WL 208 PER SRM 51-40-02-0G-0 AND BOEING DWG 143A5240.; [06] COMPLETED

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