Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 10, 2023
Submitted
April 18, 2023
Operation
Air carrier
Aircraft
N281WN
Make and model
Boeing 7377H4
Aircraft serial
36528
Aircraft time
51,516 hours, 31,045 cycles
Part
Support
Condition
Cracked
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

CRACKED FLOOR PANEL SUPPORT AT MID CABIN BS540 LBL25 WL208.<[01] VERIFIED SRM 51-10-02 PARA :G 9;IS APPLICABLE BY REPLACEMENT.;[02] PRIOR TO REMOVAL FOUND PART HAS NOT SRM LIMITS AND SO PART IS REPAIRABLE BY REPLACEMENT; IAW SRM 51-10-02 PARA:G 9.;[03] REMOVED PANEL SUPPORT DAMAGED IAW SRM 51-40-02.;[04] RECEIVED; LOCATED AND DRILLED NEW PANEL SUPPORT WITH P/N 143A5240-32 LOT#1521752-1 IAW SRM 51-40-05<BR>AND DWG 143A0060.<BR>OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTIONS #1 - #4<BR>OK TO INSTALL NEW PANEL SUPPORT GIVEN;[06] INSTALLED NEW PANEL SUPPORT AT LBL 25; BS 540; WL 208<BR>P/N 143A5240-32 IAW SM 51-40-02 AND DWG#143A0060.;[07] VERIFIED CORRECTIVE ACTIONS STEP 6.;[08] VERIFIED MEASUREMENTS TABLE.;[09] CERTIFY.

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