Service difficulty report · Floor Panel · Boeing 737*

Difficulty date
February 4, 2022
Submitted
March 3, 2022
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 737*
Aircraft serial
33859
Aircraft time
59,572 hours, 35,384 cycles
Part
Floor Panel
Part number
241AF
Condition
Pulled
Location
Cabin Floor
Stage of operation
UK
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 241AF UPPER SKIN HAS AREAS OF PULLED STRANDS. / [01] IDENTIFIED PANEL MATERIAL IAW SRM 53-00-50-0I-1 FIG 4 TABLE 4.<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4F.<BR>DUE TO THE EXTENT OF DAMAGE CUT NEW FLOOR PANEL FROM BMS 4-23TY2 LOT#1479169-1 IAW SRM 53-00-50-2R-0 PARA 1A(NOTE) AND BOEING DWG 144A5810-127.;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-0.;[03] INSTALLED THROUGH INSERTS USING BMS5-107 CLASS 1 LOT#AK0DP4051K. SET TO CURE USING HEAT LAMP AND THERMOMETER ID:ATS2208 S/N:43300740WS. COMPLETED SUCCESSFUL CURE; AND INSTALLED SEALANT TAPE BMS8-283TY1 LOT#0CN050418. IAW BOEING DWG 144A5810-127; AND BAC5085 FIGURE 15 PAR.8.4.2.2 (A-H);[04] ADDITION TO LINE 3: ADDED PART MARK TO PANEL 241AF;[05] VALIDATED LINE 4;[06] ADDITION TO LINE 4: ADDING PART MARK REFERENCE IAW BOEING DWG 144A5810-127; AND BOEING DWG 140A1008;[07] VERIFIED CORRECTIVE ACTIONS 1-6