Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
September 2, 2023
Submitted
September 11, 2023
Operation
Air carrier
Aircraft
N252WN
Make and model
Boeing 7377H4
Aircraft serial
34973
Aircraft time
56,843 hours, 34,125 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Debonded
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

MID CABIN FLOOR PANEL 242AF UPPER SURFACE HAS SKIN TO CORE DISBOND IN CENTER OF PANEL.<[01] ACCOMPLISHED UT IAW B737 NDT PART 4 51-00-05. NO FURTHER DISBOND NOTED. TOOL# 40082 DUE 10OCT23.<BR>ACCOMPLISHED UT IAW B737 NDT PART 4 51-00-03. WATER INTRUSION NOTED UNDER DISBOND AREA. TOOL# 36285 DUE 16DEC23;[02] STEP ACCOMPLISHED REF. EA 23-153-02687-WIP1;[03] STEP 1 ACCOMPLISHED REF. EA 23-153-02687-WIP1;[04] REPAIRED DAMAGE TO FLOOR BOARD REF. FAULT TTG8Q00N5782 FOR WORK ACCOMPLISHED;[05] 'REFER TO FAULT TTG8Q00N5782 WHERE EA 23-153-02687 WAS ADDED AS A SUBTASK.';[06] VERIFIED STEPS 4 AND 5 C/W;[07] VERIFIED ALL STEPS C/W AND AUDIT

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