Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
March 16, 2023
Submitted
April 20, 2023
Operation
Air carrier
Aircraft
N957WN
Make and model
Boeing 7377H4
Aircraft serial
41528
Aircraft time
38,518 hours, 23,626 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

CABIN FLOOR PANEL 241KF UPPER SKIN HAS MULTIPLE AREAS OF PULLED STRANDS.<[01] IDENTIFIED 241KF PANEL IAW SRM 53-00-50-0I-1 FIGURE 5; TABLE 5. FOUND DAMAGE TO BE OUT OF ALLOWABLE DAMAGE IAW SRM 53-00-50-1A-1 PARA 4.F WIIL FABRICATE NEW FLOOR PANEL IAW SRM 53-00-50-2R-0. FABRICATED NEW FLOORBOARD PANEL USING BMS 4-17 TY6 LOT: 1514505-1 IAW SRM 53-00-50-2R-0 PARA 1.A.(NOTE) AND PARAGRAPH 4 ALONG WITH DWG 146A5810 SHEET 505. INSTALLED PANEL INSERTS USING BMS5-107 CLASS 1 RESIN LOT NUMBER AK2KP8383K-1; CURED RESIN UNDER A HEAT LAMP USING THERMOMETER ATS2209 DUE: 10/2023; TO MONITOR THE TEMPERATURE OF THE CURE; WORK PERFORMED IAW SRM 53-00-50-2R-0 PARAGRAPH 4 AND DRAWING 146A5810 SHEET 505.;[02] JOB COMPLETE.;[03] VERIFIED MEASUREMENTS TABLE.

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