Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
December 5, 2023
Submitted
December 20, 2023
Operation
Air carrier
Aircraft
N944WN
Make and model
Boeing 7377H4
Aircraft serial
36659
Aircraft time
44,829 hours, 27,356 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 241AF HAS DELAMINATION DAMAGE ON TOP.<[01] UPDATED STEPS 4;5.;[02] UPDATED STEP 4 AND 5;[03] IDENTIFIED FLOOR PANEL 241AF IAW SRM 53-00-50-0I-1 FIG. SHEET 1 TABLE 4 AND FOUND DAMAGE TO BE OUT OF ECONOMICAL REPAIR. NEW PANEL TO BE FABRICATED IAW SRM 53-00-50-2R-0 1.A. NOTE.<BR>CUT NEW PANEL OUT OF BMS4-23 TY2 LOT# 1545419-1; LOCATED HOLES; INSTALLED INSERTS USING RESIN BMS5-107 LOT# AK3BA2380A/A IAW SRM 53-00-50-2R-0 PARA 5.S(1)(A)-(E);(G) AND DWG 144A5810 ID:0228.<BR>CURED INSERTS USING HEAT LAMP AND THERMOMETER ATS2209 CAL DUE DATE 10/2024 THEN APPLIED TAPE AND PART MARKED PANEL IAW SRM 53-00-50-2R-0 PARA 5.S(1)(A)-(E);(G). DWG 144A5810 ID:0228 AND DWG 144A5810 ID:0127 AND MAINTENANCE WAS ACCOMPLISHED ON STEP 1;[04] VERIFIED CORRECTIVE ACTION ITEM 3 AND MEASUREMENTS TABLE.

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