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 242AF UPPER SURFACE HAS PULLED STRANDS.<[01] IDENTIFIED PANEL MATERIAL IAW SRM 53-00-50-0I-1 SHEET 1; FIGURE 4; TABLE 4; AND DWG DOC: 144A5810 ID: 0189<BR><BR>PANEL UPPER SURFACE DAMAGE EXCEEDS ALLOWABLE DAMAGE LIMITS IAW SRM <BR>53-00-50-1A-1 PAR. 4. C. & F. DUE TO THE SEVERITY OF DAMAGE FABRICATING NEW FLOORBOARD IAW SRM 53-00-50-2R-0 PAR. 1. A. NOTE: <BR><BR>FABRICATED NEW FLOOR BOARD USING BMS4-17 TY 6 LOT# 1526676-1; SANDED EDGES; LOCATED AND DRILLED ALL INSERT HOLES AND CLEANED FOLLOWING DWG DOC:144A5810 ID: 0189 IAW SRM 53-00-50-2R-0 PAR. 4.A.(1) TABLE 204 AND PAR. 5. E. (1) NEED TO INSTALL INSERTS.;[02] INSTALLED ALL INSERTS USING BMS5-107 EPIBOND 420 LOT# AK2KP8383K-1 AND CURED UNDER HEATLAMP MONITORED BY THERMOMETER ID: ATS2209 CAL/DUE: 10/2023; IAW SRM 53-00-50-2R-0 PAR. 5. S. (1) (D) - (H). INSTALLED PLACARDS PART MARKED AND COMPLETED IAW SRM 53-00-50-2R-0 DWG DOC: 144A5810 ID: 0189;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2<BR><BR>VERIFIED MEASUREMENTS TABLE;[04] UPLOADED CURE SHEET. JOB COMPLETE.;[05] VERIFIED CORRECTIVE ACTION 4

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