Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
May 31, 2023
Submitted
July 5, 2023
Operation
Air carrier
Aircraft
N962WN
Make and model
Boeing 7377H4
Aircraft serial
36963
Aircraft time
38,452 hours, 23,554 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Pulled
Location
Zn 100 Fus Lower
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 241DF UPPER SKIN HAS PULLED STRANDS. THIS FAULT SHOULD BE FOR FLOOR PANEL 231DF NOT 241DF. THIS FAULT WAS GENERATED FROM A 231DF OPEN TASK AND UPPER SKIN PULLED STRANDS HAVE BEEN VERIFIED AS A VALID DISCREPANCY ON 231DF.<[01] IDENTIFIED FLOOR PANEL 231DF MATERIAL IAW SRM 53-00-50-0I-1 FIGURE 3 TABLE 3. DAMAGE TO FLOOR PANEL IS BEYOND ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PARAGRAPH 4.F. FLOOR PANEL DAMAGE IS BEYOND ECONOMICAL REPAIR AND MAY BE REPLACED IAW SRM 53-00-50-2R-0 PARAGRAPH 1.A NOTE.<BR><BR>FABRICATED FLOOR PANEL FROM BMS4-23 TYII LOT#1525675-1; AND INSTALLED INSERTS USING BMS5-107 LOT# AK2K98383K-1 AND CURED INSERTS USING THERMOMETER ID: ATS2208 CAL DUE: 10/2023. INSTALLED TAPE BMS8-283 LOT# OCN057504; AND PART MARKED FLOOR PANEL. ALL WORK ACCOMPLISHED IAW SRM 53-00-50-2R-0 PARAGRAPH 5.S(1).;[02] ADD INFORMATION TO STEP 1: BAC DWG 143A5810 ID: 0513;[03] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 1 AND 2.;[04] ATTACHED CURE SHEET TO THIS FAULT RECORD.;[05] FINAL INSPECTION. JOB COMPLETE.<BR><BR>VERIFIED MEASUREMENTS.

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