Service difficulty report · Floor Panel · Boeing 73776Q

Difficulty date
April 15, 2023
Submitted
May 8, 2023
Operation
Air carrier
Aircraft
N551WN
Make and model
Boeing 73776Q
Aircraft serial
30280
Aircraft time
66,624 hours, 41,198 cycles
Part
Floor Panel
Condition
Pulled
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

FLOOR PANEL 231XF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] IDENTIFIED PANEL IAW SRM 53-00-50-0I-1 FIGURE 4. DUE TO THE EXTENT OF ALL OF THE DAMAGE; DECIDED TO FABRICATE A NEW PANEL WITH BMS4-23 TYPE II LOT 1508290-1 USING BMS5-107 LOT AK2KP8383K-1 RESIN WITH THE INSERTS; CURED THE RESIN UNDER A HEAT LAMP USING THERMOMETER ID: ATS2208 DUE: 10/2023; ALL IAW SRM 53-00-50-2R-0 PARAGRAPH 4.A.(1) AND TABLE 204 ALSO IAW DRAWING 144A5810-9.;[02] DRAWING USED FOR FABRICATION IS: 144A5810-7.;[03] VERIFIED CURE TAPE<BR>VERIFIED CORRECTIVE ACTION #1;[04] JOB COMPLETE

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