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 241AF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] IDENTIFIED FLOOR PANEL 241AF IAW SRM 53-00-50-0I-1 FIGURE 4 TABLE 4. FLOOR PANEL IS DAMAGED BEYOND ECONOMICAL REPAIR; AND EXCEEDS ALLOWABLE DAMGE LIMITS IAW SRM 53-00-50-1A-1 PARAGRAPH 4.F. FLOOR PANEL REQUIRES REPLACEMENT IAW SRM 53-00-50-2R-0 PARAGRAPH 1.A NOTE.<BR><BR>ROUGH CUT FLOOR PANEL 241AF USING BMS4-17 TY6 LOT# 1522265-1 AND LOCATED HOLES IAW SRM 53-00-50-2R-0 PARAGRAPH 4.A TABLE 204; AND BAC DWG 144A5810 ID:0008.;[02] COUNTERBORED HOLES AND INSTALLED INSERTS USING BMS5-107 LOT#AK2KP8383K-1 AND CURED USING THERMOMETER ID: ATS2209 CAL DUE: 10/2023 AND PART MARKED FLOOR PANEL AS REQUIRED IAW SRM 53-00-50-2R-0 PARAGRAPH 3.S(1); AND DWG 144A5810 ID:0008.;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2<BR><BR>VERIFIED MEASUREMENTS TABLE;[04] UPLOADED CURE SHEET: JOB COMPLETE;[05] VERIFIED CORRECTIVE ACTION 4

More about the Boeing 737-76Q