Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
January 3, 2024
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
64,648 hours, 38,599 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Delaminated
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

PASSENGER CABIN FLOOR PANEL 241DF HAS DELAMINATION.<[01] PARTIAL STEP 1;[02] REMOVED PASSENGER CABIN FLOOR PANEL 241DF PER AMM 53-21-00-000-801.<BR>IDENTIFIED FLOOR PANEL MATERIAL IAW SRM 53-00-50-0I-1 SHEET 1; FIGURE 4; TABLE 4.<BR><BR>UPON INVESTIGATION FOUND DAMAGE TO BE BEYOND ALLOWED DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PAR. 4. F.<BR><BR>WILL FABRICATE NEW FLOOR PANEL AS DIRECTED IAW SRM 53-00-50-2R-0 PAR. 1. A. NOTE:<BR><BR>FABRICATED NEW FLOOR PANEL USING REPLACEMENT MATERIAL BMS4-17 TY 6 LOT # 1534398-1; SANDED EDGES AND LOCATED ALL (42EA) THROUGH INSERT LOCATIONS IAW SRM 53-00-50-2R-0 PAR. 4. A. (1) TABLE 204.; PAR. 5. S. (1) (A) - (D). AND BOEING DWG: 144A5810 ID: 0009. NEEDS INSERTS.<BR>INSTALLED INSERTS USING BMS5-107 LOT#AK3BA2380A/A; CURED INSERTS USING HEAT LAMP AND THERMOMETER ATS2209 CAL DUE DATE 10/2024 THEN PART MARKED PANEL IAW SRM 51-70-05-2R-0 PARA 5S AND BOEING DWG 144A5810 ID:0009.<BR><BR>INSTALLED PASSENGER CABIN FLOOR PANEL 241DF PER AMM 53-21-00-400-801.<BR>EQUIPMENT USED: ATS2314 DUE DATE: 09/2024.;[03] VERIFIED CORRECTIVE ACTION ENTRY 2. COMPLETED WITH STEPS; VERIFIED MEASUREMENT TABLE.

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