Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
April 7, 2023
Submitted
May 17, 2023
Operation
Air carrier
Aircraft
N958WN
Make and model
Boeing 7377H4
Aircraft serial
36673
Aircraft time
38,993 hours, 23,664 cycles
Part
Floor 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

CRACK ON PASSENGER CABIN FLOOR SUPPORT AT BS 540 LBL 2 WL 208.<[01] REMOVED PANEL BREAK ASSY LOCATED AT B.S. 540; LBL 2; WL 208 PER SRM 51-10-02-0G-0 PARA: 4.C.(3) AND SRM 51-40-02-0G-0;[02] LOCATED AND DRILLED PANEL BREAK ASSY PER SRM 51-40-05-0G-0; SRM 51-40-06-0G-0 AND DWG #143A5240; REV. B.<BR><BR>REQUESTING OK TO INSTALL;[03] VERIFIED CORRECTIVE ACTIONS STEP 2; OK TO INSTALL GIVEN.;[04] VERIFIED MEASUREMENTS TABLE.;[05] INSTALLED PANEL BREAK ASSY AND LOCATED AND DRILLED FLOOR PANEL FASTENER HOLES LOCATED AT B.S. 540; LBL 2; WL 208 PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; SRM 51-40-06-0G-0 AND DWG # 1435240 REV. B;[06] VERIFIED CORRECTIVE ACTIONS 5 AND MEASUREMENT TABLE

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