Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
March 17, 2022
Submitted
April 19, 2022
Operation
Air carrier
Aircraft
N472WN
Make and model
Boeing 7377H4
Aircraft serial
33831
Aircraft time
58,559 hours, 34,804 cycles
Part
Floor Panel
Condition
Pulled
Location
Fuselage
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 242AF UPPER SURFACE HAS MULTIPLE COMPOSITE STRANDS PULLED IN MULTIPLE AREAS. / [01] IDENTIFIED PANEL 242 AF IAW DRAWING 144A5810 SHEET 132. DUE TO THE EXTENT OF THE DAMAGE; DECIDED TO FABRICATE A NEW PANEL USING BMS4-17 TYPE VI LOT NUMBER 1482614-1 AND BMS5-107 CLASS 1 RESIN LOT NUMBER AK0KP9324K; CURED RESIN UNDER HEAT LAMP USING THERMOMETER ID: ATS2209 S/N: 43300739WS; WORK PERFORMED IAW SRM 51-10-02-0G-0 PARAGRAPH 9.A.(1); SRM 53-00-50-2R-0 PARAGRAPH 4.A.(1) AND FIGURE 204 AND DRAWING 144A5810 SHEET 132.;[02] FINAL INSPECTION. JOB COMPLETE PER SRM 51-10-02-0G-0; 53-00-50-2R-0 AND DRAWING 144A5810 SHT 132.;[03] FINAL INSPECTION. JOB COMPLETE PER SRM 51-10-02-0G-0; 53-00-50-2R-0 AND DRAWING 144A5810 SHT 132.

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