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 242DF UPPER SURFACE HAS PULLED STRANDS.<[01] PANEL DAMAGE TO MARKED AREA WITH PULLED STRANDS EXCEEDS ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PAR. 4. F.<BR><BR>FABRICATING NEW FLOORBOARD IAW SRM 53-00-50-2R-0 PAR. 1. A. NOTE:<BR><BR>FABRICATED NEW FLOORBOARD USING BMS4-23 TY II LOT# 1525675-1; SANDED EDGES; LOCATED ALL INSERT HOLES AND CLEANED AND PART MARKED FOLLOWING DWG DOC:144A5810 ID: 0003 IAW SRM 53-00-50-2R-0 PAR. 4.A.(2) TABLE 204 AND PAR. 5. E. (1)<BR><BR>INSTALLED ALL INSERTS USING BMS5-107 EPIBOND 420 LOT# AK2KP8383K-1 AND CURED UNDER HEAT LAMP MONITORED BY THERMOMETER ID: ATS2209 CAL/DUE: 10/2023 AND CLEANED IAW SRM 53-00-50-2R-0 PAR. 5. S. (1) (D) - (H);[02] UPLOADED CURE SHEET. JOB COMPLETE.;[03] VERIFIED CORRECTIVE ACTION ITEMS 1-2 AND MEASUREMENTS TABLE.

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