Service difficulty report · Floor Panel · Boeing 7377K9

Difficulty date
August 27, 2022
Submitted
September 20, 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
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 UPPER SURFACE HAS PULLED STRANDS. / [01] DAMAGE TO PANEL 241UF IS OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4. F. AND NEW PANEL WILL BE FABRICATED FROM NEW STOCK<BR><BR>ROUGHCUT AND DRILLED NEW FLOOR PANEL 241UF IAW SRM 53-00-50-2R-0 AND DWG 146A5810-54. USED NEW PANEL STOCK BMS4-23 TY 11; LOT# 1501450-1;[02] MATERIAL USED IS BMS4-23 TY 2; LOT# 1501450-1 NOT BMS4-23 TY 11; LOT# 1501450-1 AS NOTED IN CORRECTIVE ACTION 1;[03] INSTALLED ALL INSERTS USING BMS5-107 LOT#AK1KP9159K AND CURED USING HEATLAMP AND THERMOMETER ATS2208 CAL DUE DATE 10/2022 THEN PART MARKED PANEL IAW SRM 53-00-50-2R-0 PARA 5S AND DWG 146A5810-54;[04] VERIFIED CORRECTIVE ACTIONS 1-3;[05] UPLOADED CURE SHEET; UPDATED MEASUREMENTS AND VERIFIED COMPLETION OF PANEL FABRICATION;[06] VERIFIED CORRECTIVE ACTION 5<BR><BR>VERIFIED MEASUREMENTS TABLE

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