Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
July 6, 2023
Submitted
August 9, 2023
Operation
Air carrier
Aircraft
N965WN
Make and model
Boeing 7377H4
Aircraft serial
36677
Aircraft time
38,362 hours, 23,630 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Pulled
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

FLOOR PANEL 231KF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] IDENTIFIED FLOOR PANEL 231KF MATERIALS IAW SRM 53-00-50-0I-1 FIG 3 TABLE 3.<BR><BR>DUE TO EXTENT OF THE DAMAGE FABRICATED NEW 231KF FLOOR PANEL FROM BMS4-23 TYPE 2 LOT#1531001-1; INSTALLED INSERTS USING BMS5-107 LOT#AK2KP8383K-1 AND CURED USING HEAT LAMP AND THERMOMETER ATS2209 CAL DUE DATE 10/2023 THEN PART MARKED AND APPLIED TAPE IAW SRM 53-00-50-2R-0 PARA 1A(NOTE) PARA 5S AND BOEING DWG 143A5810 ID: 0580.;[02] VERIFIED CORRECTIVE ACTION 1<BR><BR>VERIFIED MEASUREMENTS TABLE;[03] UPLOADED CURE SHEET. VERIFIED FABRICATION OF PANEL 231KF IAW SRM 53-00-50-2R-0 PARA 1A(NOTE) AND BOEING DWG 143A5810 ID: 0580.;[04] VERIFIED CORRECTIVE ACTION 3

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