Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
August 5, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
53,758 hours, 31,898 cycles
Part
Floor Panel
Condition
Delaminated
Location
Cabin
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 231YF O/B FWD CORNER IS DELAMINATED. ; / [01] PASSENGER CABIN FLOOR PANEL 231YF WAS REPLACED WITH NEW PANEL FABRICATED FROM RAW STOCK DUE TO EXTENT OF DAMAGE IAW SRM 51-10-02-0G-0 PARA 9.A.(1). THROUGH INSERTS WERE INSTALLED USING BMS 5-107 CL1 LOT# AK0DP051K; AND FLOOR PANEL WAS FABRICATED FROM BMS 4-23 TY 2 LOT# 144371-1 IAW SRM 53-00-50-2R-0 TABLE 204. AND DWG# 144A5810 SHEET 124.; [02] VERIFIED CORRECTIVE ACTION ITEM 1; [03] INSERTS WERE CURED IAW SRM 53-00-50-2R-0 PARA 5.S.; [04] CORRECTION FOR CORRECTIVE ACTION 3; ADDING 'CURED WITH THERMOMETER ID:ATS2208 S/N:43300740WS'; [05] VERIFIED CORRECTIVE ACTION COMPLETE IAW SRM 53-00-50-2R-0 TABLE 204. AND DWG# 144A5810 SHEET 124.

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