Service difficulty report · Floor Panel · Boeing 73776Q

Difficulty date
April 15, 2023
Submitted
May 8, 2023
Operation
Air carrier
Aircraft
N551WN
Make and model
Boeing 73776Q
Aircraft serial
30280
Aircraft time
66,624 hours, 41,198 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

FLOOR PANEL 242DF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] PART/MATERIAL IDENTIFIED PER SRM 53-00-50-0I-1 FIGURE 4 TABLE 4 UNDER SEAT LOW TRAFFIC SECTION 44.<BR>MULTIPLE PULLED STRANDS; DENTS & OTHER DEFECTS EXCEED THE ALLOWABLE LIMITS AS GIVEN IN SRM 53-00-50-1A-1 PARA 4.A-D. PANEL REPLACEMENT REQUIRED.;[02] PANEL FABRICATION/REPLACEMENT IAW SRM 53-00-50-2R-0 PARA 1. A. NOTE.<BR>USING BMS4-23 TYII PANEL MATERIAL LOT 1508290-1 FABRICATED PERFORMED NET TRIM & LOCATED FASTENER HOLES PER DWG 144A5810-116;[03] INSTALLED SL5107A3-410 INSERTS USING BMS5-107 ADHESIVE LOT AK2KP838K-1 THEN CURED IAW SRM 53-00-50-2R-0 PARA 5. S. FIGURE 213 PAGE 30 PER DWG 144A5810-I6 REF CAL TOOL THERMOMETER ID ATS1776 CAL DUE 08/2023;[04] PART MARKED PANEL IAW BOEING DWG 144A5810 ID:0016.;[05] UPDATED MEASUREMENTS;[06] CORRECTION TO CORRECTIVE ACTION 2: DRAWING SHOULD BE 144A5810 ID:0016;[07] CORRECTION TO CORRECTIVE ACTION 3: DRAWING SHOULD BE 144A5810 ID:0016;[08] VERIFIED CORRECTIVE ACTIONS 1-7<BR><BR>VERIFIED MEASUREMENTS TABLE;[09] UPLOADED CURE SHEET. JOB COMPLETE;[10] VERIFIED CORRECTIVE ACTION 9

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