Service difficulty report · Support · Boeing 7377H4

Difficulty date
December 3, 2021
Submitted
December 27, 2021
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
58,698 hours, 34,771 cycles
Part
Support
Condition
Cracked
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

CRACKED FLOOR SUPPORT AT STA 344+9; LBL 1; WL 208. ; / [01] REMOVED INTERCOSTAL SUPPORT AT FLOOR STRUCTURE BETWEEN BS 344 TO BS 360 WL 208 LBL 1 SRM 51-40-02; [02] LOCATED AND DRILLED NEW FLOOR SUPPORT INTERCOSTAL P/N 141A5410U23 LOT #1472062-1 BETWEEN BS 344 TO BS 360 BL 0 PER SRM 51-40-05 AND DWG 141A5400 OK TO INSTALL PART; [03] VERIFIED CORRECTIVE ACTION 2; [04] INSTALLED FLOOR SUPPORT INTERCOSTAL AT BS 344 TO BS 360 BL 0 WL 208 PER SRM 51-40-02 AND DWG 141A5400; [05] VERIFIED CORRECTIVE ACTION 4; [06] VERIFIED CARD COMPLETE

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