Service difficulty report · Floor Panel · Boeing 7377K9

Difficulty date
August 26, 2022
Submitted
September 21, 2022
Operation
Air carrier
Aircraft
N7878A
Make and model
Boeing 7377K9
Aircraft serial
34320
Aircraft time
52,141 hours, 25,914 cycles
Part
Floor Panel
Part number
241XF
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

AFT FLOOR PANEL 241XF UPPER SURFACE HAS PULLED STRANDS. / [01] IDENTIFIED PANEL 241XF IAW SRM 53-00-50-2I-1 FIG 6<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-2A-1 PAR 4.F<BR>DAMAGE TO BE REPAIRED IAW SRM 53-00-50-2R-1<BR><BR>REMOVED ALL INSERTS AND REMOVED ALL DAMAGE ON UPPER SURFACE SKIN IAW SRM 53-00-50-2R-1 PAR 3.A-F NO CONTAMINATION OR HONEYCOMB CORE DAMAGE NOTED.;[02] VALIDATED REPAIR PER SRM 53-00-50-2R-1;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2<BR><BR>VERIFIED MEASUREMENTS TABLE<BR><BR>VALIDATED REPAIR PER SRM 53-00-50-2R-1;[04] FABRICATED REPAIR PLIES USING BMS 9-3 1581 LOT#1493221-1 IAW SRM 53-00-50-2R-1 PARA 3.K <BR>OK TO INSTALL.;[05] VERIFIED CORRECTIVE ACTION #4;[06] INSTALLED REPAIR PLIES USING BMS 8-201 TY3 LOT#AK2EP8210K; VACUUM BAGGED; LEAK CHECK GOOD WITH VACUUM GAUGE ID:ATS2438 DUE:03/2023 IAW SRM 53-00-50-2R-1 PARA 3.K&L.;[07] VERIFIED CORRECTIVE ACTION #6;[08] CURED REPAIR PLIES WITH THERMOMETER ID:ATS2209 DUE:10/22 IAW SRM 53-00-50-2R-1 PARA 3.M;[09] CORRECTION FOR LINE 8; 'PARA 3.M' SHOULD READ 'PARA 3.M (1).';[10] UNBAGGED AND TRIMMED REPAIR IAW SRM 53-00-50-2R-1 PARA 3.M(1).;[11] INSTALLED INSERTS USING BMS 5-107 LOT#AK1KP9159K AND CURED WITH HEAT LAMP IAW SRM 53-00-50-2R-1 PARA 3.N AND DWG 147A5810 SHEET 100.<BR><BR>THERMOMETER ATS:2209 CAL DUE DATE: 10/2022.;[12] DAMAGE TO FLOOR PANEL 241XF WAS REPAIRED IAW SRM 53-00-50-2R-1. JOB COMPLETE.;[13] RII INSPECTION COMPLETE;[14] INSPECTION COMPLETE

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