Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
June 1, 2023
Submitted
June 29, 2023
Operation
Air carrier
Aircraft
N295WN
Make and model
Boeing 7377H4
Aircraft serial
32541
Aircraft time
51,370 hours, 30,880 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Broken
Location
Zn 100 Fus Lower
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

FWD CABIN FLOOR PANEL 221BF AFT O/B CORNER IS BROKEN (TANG)<[01] IDENTIFIED PANEL 221BF IAW SRM 53-00-50-0I-1 FIGURE 2. DAMAGE IS BEYOND ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARAGRAPH 4.E.(2).(B) AND WILL BE REPAIRED IAW SRM 53-00-50-2R-6. REMOVED NUMEROUS INSERTS FROM PANEL 221BF TO ACCOMMODATE THE REPAIR AND REMOVED AN APPROX. 2.7'X0.9'X0.4' AREA OF DAMGED TOOLSIDE PLIES; BAGSIDE PLIES AND CORE FROM THE PANELS AFT OUTBOARD TANG AND CLEANED REPAIR AREA WITH NO DISBOND OR CONTAMINATION NOTED; WORK PERFORMED IAW SRM 53-00-50-2R-6 PARAGRAPH 3.A-E.;[04] FABRICATED REPAIR CORE FROM BMS8-124; CLASS 4; TYPE 5; GRADE 5.0 LOT 1283769 AND TOOLSIDE REPAIR FROM BMS9-3 LOT 1526805-2 IAW SRM 53-00-50-2R-6 PARAGRAPH 3.F AND G.(1).(A). OK TO INSTALL TOOLSIDE REPAIR PLIES.;[05] VERIFIED CORRECTIVE ACTION #4;[06] INSTALLED PLIES WITH BMS8-201 CLASS IV LOT 1527294-1; VACUUM BAGGED PLIES AND VERIFIED A SATISFACTORY 5X5 WITH THE VACUUM GAUGE DUE: E11543 DUE: 09/2023; WORK PERFORMED IAW SRM 53-00-50-2R-6 PARAGRAPH 3.G.(1).(B-C) AND H.(1).;[07] VERIFIED CORRECTIVE ACTION #6;[08] SET REPAIR TO CURE AND CURED REPAIR WITH A HEAT LAMP USING THERMOMETER ID: ATS2208 DUE: 10/2023; UNBAGGED PANEL AND SANDED THE HONEYCOMB CORE PLUG TO BE LEVEL WITH THE OUTER SURFACE OF THE FACESHEET; WORK PERFORMED IAW SRM 53-00-50-2R-6 PARAGRAPH 3.I.(1) AND J.;[09] FABRICATED BAG SIDE REPAIR PLIES FROM BMS 9-3 TY H2 LOT#1522395-2 IAW SRM 53-00-50-2R-6.PARA 3.K.(1)<BR>OK TO INSTALL.

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