Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
May 13, 2023
Submitted
June 20, 2023
Operation
Air carrier
Aircraft
N429WN
Make and model
Boeing 7377H4
Aircraft serial
33658
Aircraft time
66,602 hours, 39,316 cycles
Part
Floor Panel
Part number
UNKNOWN
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 241AF UPPER SURFACE HAS PULLED STRANDS.<[01] IDENTIFIED PANEL 241AF MATERIAL IAW SRM 53-00-50-0I-1 FIG 4 AND TABLE 4.<BR><BR>DAMAGE TO PANEL 241BF IS OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4. F. AND BEYOND ECONOMICAL REPAIR.<BR><BR>NEW PANEL WILL BE FABRICATED FROM NEW STOCK.<BR><BR>CUT AND DRILLED NEW FLOOR PANEL USING STOCK MATERIAL BMS 4-17 TY 6; LOT# 1526676-1 IAW SRM 53-00-50-2R-0 PARA 1. A. NOTE; TABLE 204 AND BOEING DWG 143A5810 ID: 0008.;[02] INSTALLED ALL INSERTS USING BMS 5-107 LOT#AK2KP8383K-1; CURED WITH THERMOMETER ID: ATS2209 CAL DUE 10/2023; PART MARKED; APPLIED TAPE AND PLACARDS IAW SRM 53-00-50-2R-0 PARA 5.S AND BOEING DWG 144A5810 ID: 0008.;[03] FLOOR PANEL REPLACED WITH NEW PANEL FABRICATED FROM RAW STOCK IAW SRM 53-00-50-2R-0 AND DRAWING 144A5810. JOB COMPLETE.;[04] VERIFIED CORRECTIVE ACTIONS 1-3<BR><BR>VERIFIED MEASUREMENTS TABLE;[05] JOB COMPLETE

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