Service difficulty report · Floor Panel · Boeing 7377Q8

Difficulty date
May 17, 2022
Submitted
June 16, 2022
Operation
Air carrier
Aircraft
N7876A
Make and model
Boeing 7377Q8
Aircraft serial
29355
Aircraft time
50,771 hours, 27,451 cycles
Part
Floor Panel
Part number
242XF
Condition
Cracked
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 CABIN FLOOR PANEL 242XF IS CRACKED / [01] IDENTIFIED PANEL 242XF PER SRM 53-00-50-0I-1 FIGURE 6 GALLEY AREA. FOUND DAMAGE TO BE OUT OF ALLOWABLE DAMAGE PER SRM 53-00-50-1A-1 PARA 4.F. REMOVED PARTIAL LOWER FACE SHEET AND LOOSE PIECES OF CORE PER SRM 53-00-50-2R-1 PARA 3.A THRU 3.F WITH NO MOISTURE NOTED.;[02] INSPECTED AND VERIFIED CORRECTIVE ACTION 1. OKAY TO PROCEED PER SRM 53-00-50-2R-1.;[03] APPLIED BMS 5-28; TYPE 19. LOT 1488901-1 PER SRM 53-00-50-2R-1 PARA 3.G. USING SCALE ATS2276 DUE 03/2023.;[04] CURED POTTING WITH THERMOMETER ID:ATS2208 CAL DUE 10/2022; SANDED SMOOTH TO SURFACE; CLEANED REPAIR AREA AND FABRICATED REPAIR PLIES USING BMS 9-3H2 LOT#1393735-8 IAW SRM 53-00-50-2R-1 PARA 3H-K.<BR>OK TO INSTALL.;[05] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 3 AND 4. OKAY TO INSTALL REPAIR PLIES PER SRM 53-00-50-2R-1.;[06] INSTALLED REPAIR PLIES USING BMS 8-201TY4 LOT#AK1KP9161K; VACUUM BAGGED; LEAK CHECK GOOD WITH VACUUM GAUGE ID:ATS2545 CAL DUE 08/2022 IAW SRM 53-00-50-2R-1 PARA 3K-L.;[07] INSPECTED AND VERIFIED CORRECTIVE ACTION 6. 5X5 LEAK CHECK PASSED PER SRM 53-00-50-2R-6.;[08] CORRECTION: ITEM 7 SHOULD READ 'SRM 53-00-50-2R-1'.;[09] CURED REPAIR PLIES; UNBAGGED AND TRIMMED EXCESS MATERIAL IAW SRM 53-00-50-2R-1 PARA 3.M.<BR>USED THERMOMETER ID:ATS2209 CAL DUE 10/2022;[10] FINAL INSPECTION. JOB COMPLETE PER SRM 53-00-50-2R-1.;[11] FINAL INSPECTION. JOB COMPLETE PER SRM 53-00-50-2R-1.

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