Service difficulty report · Floor Panel · Boeing 737

Difficulty date
August 18, 2022
Submitted
September 22, 2022
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 737
Aircraft serial
33855
Aircraft time
57,460 hours, 34,246 cycles
Part
Floor Panel
Part number
241UF
Condition
Pulled
Location
Cabin Floor
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 241UF HAS AN PULLED INSERT. (MARKED) / [01] IDENTIFIED PANEL 241UF IAW SRM 53-00-50-0I-1 SHEET 1; FIGURE 5; TABLE 5. PANEL IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PAR. 4.C. OK TO FAB NEW PANEL IAW SRM 53-00-50-2R-0 PAR. 1.A.<BR><BR>FABRICATED FLOOR PANEL USING BMS4-23 TYII LOT# 1496138-1<BR>LOCATED AND CLEANED INSERT LOCATIONS IAW SRM 53-00-50-2R-0 PAR. 5.S.(1)(A)-(D);[02] ACTION TO CORRECTIVE ACTION 1; 'LOCATED AND CLEANED INSERT LOCATIONS IAW SRM 53-00-50-2R-0 PAR. 5.S.(1)(A)-(D)'. 'TO SAY; LOCATED AND CLEANED INSERT LOCATIONS IAW SRM 53-00-50-2R-0 PAR. 5.S.(1)(A)-(D) AND BOEING DWG#146A5810 ID: 54;[03] UPDATED MEASUREMENTS;[04] INSTALLED (32EA) THROUGH INSERTS USING BMS 5-107 C1 ADHESIVE LOT# AK1KP9159K IAW SRM 53-00-50-2R-0 PAR. 5. S.(1)(E)-(G) AND BOEING DWG#146A5810 ID: 54. INSERTS OK TO CURE.;[05] CURED INSERTS UNDER HEATLAMP MONITORED BY THERMOMETER ID: ATS2209 CAL/DUE: 10/2022 IAW SRM 53-00-50-2R-0 PAR. 5.S.(1)(H);[06] VERIFIED CORRECTIVE ACTIONS 1-5<BR><BR>VERIFIED MEASUREMENTS TABLE;[07] UPLOADED CURE SHEET; PART MARKED AND TAPED NEW BOARD IAW DWG 146A5810-54. VERIFIED COMPLETION OF 241UF BOARD FABRICATION IAW SRM 53-00-50-2R-0 AND DWG 146A5810-54;[08] VERIFIED CORRECTIVE ACTION 7