Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
June 20, 2022
Submitted
July 27, 2022
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
59,624 hours, 35,506 cycles
Part
Floor Panel
Condition
Broken
Location
Aft Fuselage
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 241ADF AFT O/B CORNER IS BROKEN / [01] IDENTIFIED PANEL MATERIAL IAW SRM 53-00-50-0I-1 FIG 6 TABLE 6.<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.F.<BR>DAMAGE WILL BE REPAIRED IAW SRM 53-00-50-2R-1.<BR>REMOVED DAMAGED SKIN ON LOWER SURFACE; REMOVED LOOSE PIECES OF CORE AND CLEANED REPAIR AREA IAW SRM 53-00-50-2R-1 PARA 3C-F.;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-1.;[03] VERIFIED CORRECTIVE ACTION 1 AND 2 COMPLETED.;[04] POTTED EXPOSED CORE USING BMS 5-28 TYPE 19 LOT#1488901-1 IAW SRM 53-00-50-2R-1 PARA 3G;[05] CURED POTTING WITH THERMOMETER ID:ATS2209 CAL DUE 10/2022; SANDED SMOOTH TO SURFACE; CLEANED REPAIR AREA AND FABRICATED REPAIR PLIES FROM BMS 9-3H2 LOT#1493221-1 IAW SRM 53-00-50-2R-1 PARA 3H-K<BR>OK TO INSTALL.;[06] INSPECTED AND VERIFIED CORRECTIVE ACTION 4 AND 5. OKAY TO INSTALL REPAIR PARTS PER SRM 53-00-50-2R-1.;[07] INSTALLED REPAIR PLIES USING BMS 8-201TY4 LOT#AK1KP9161K; VACUUM BAGGED; LEAK CHECK GOOD WITH VACUUM GAUGE ID:ATS2438 CAL DUE 03/2023 IAW SRM 53-00-50-2R-1 PARA 3K;L.;[08] INSPECTED AND VERIFIED CORRECTIVE ACTION 7. 5X5 LEAK CHECK PASSED PER SRM 53-00-50-2R-1.;[09] CURED REPAIR AND UNBAGGED 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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