Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
April 29, 2023
Submitted
June 1, 2023
Operation
Air carrier
Aircraft
N961WN
Make and model
Boeing 7377H4
Aircraft serial
36962
Aircraft time
37,902 hours, 23,158 cycles
Part
Floor Panel
Condition
Pulled
Location
Zn 100 Fus Lower
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 231GF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] DUE TO EXTENT OF DAMAGE FABRICATED NEW 231GF FLOOR PANEL FROM BMS4-23 TYPE 2 LOT#1525675-1; APPLIED TAPE AND INSTALLED INSERTS USING BMS5-107 LOT#AK2KP8383K-1 THEN CURED USING HEAT LAMPS AND THERMOMETER ATS2209 CAL DUE DATE 10/2023 IAW SRM 53-00-50-2R-0 PARA 1A(NOTE); PARA 5S AND BOEING DWG 153A5810-575.;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-0;[03] VERIFIED CORRECTIVE ACTION #1;[04] ATTACHED CURE SHEET TO THIS FAULT RECORD.;[05] VERIFIED CURE SHEET

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