Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
April 6, 2023
Submitted
May 17, 2023
Operation
Air carrier
Aircraft
N958WN
Make and model
Boeing 7377H4
Aircraft serial
36673
Aircraft time
38,993 hours, 23,664 cycles
Part
Floor Panel
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

PASSENGER CABIN FLOOR PANEL 242DF UPPER SKIN HAS MULTIPLE AREAS OF PULLED STRANDS.<[01] IDENTIFIED FLOOR PANEL 242DF IAW SRM 53-00-50-0I-1 FIGURE 4 TABLE 4<BR><BR>DAMAGE EXCEEDS ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PAR.4 B<BR><BR>DUE TO EXTENT OF DAMAGE NEW FLOOR PANEL WILL BE FABRICATED FROM RAW STOCK IAW SRM 53-00-50-2R-0 PAR.1 A(NOTE)<BR><BR>FABRICATED FLOOR PANEL FROM BMS 4-23 TY 2 LOT#1508290-1; INSTALLED (42EA) THROUGH INSERTS USING BMS5-107 CL1 LOT#AK2KP838K-1; CURED INSERTS UNDER HEAT LAMP USING THERMOMETER ID:ATS2208 DUE:10/2023; INSTALLED PROTECTIVE TAPE; AND PART MARKED ALL IAW BOEING DWG 144A5810-123;[02] CORRECTED MEASUREMENTS TABLE; 'REPAIR TYPE' FROM 'MAJOR' TO 'N/A';[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2<BR><BR>VERIFIED MEASUREMENTS TABLE;[04] ATTACHED CURE SHEET TO THIS FAULT RECORD.;[05] JOB COMPLETE.

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