Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
June 4, 2023
Submitted
July 17, 2023
Operation
Air carrier
Aircraft
N963WN
Make and model
Boeing 7377H4
Aircraft serial
36676
Aircraft time
38,123 hours, 23,431 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Pulled
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 221CF HAS A PULLED THROUGH INSERT ON THE LEFT SIDE<[01] IDENTIFIED PANEL MATERIAL IAW SRM 53-00-50-0I-1 SHEET 1; FIGURE 2; TABLE 2; AND <BR>BOEING DWG DOC: 141A5810 ID: 0009. <BR><BR>DAMAGE ON LOWER SURFACE LEFT HAND SIDE IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM <BR>53-00-50-1A-1 PAR. 4. ALL AREAS ON LOWER <BR>SURFACE WILL BE REPAIRED IAW SRM 53-00-50-2R-1. OK TO POT.;[09] INSTALLED REPAIR PLIES USING BMS8-201 EPOCAST 50-A (946) LOT # 1530326-1; <BR>SET UP VACUUM BAG SYSTEM WITH BLEED DOWN TEST CHECKED GOOD USING GAUGE ID: <BR>E11543 CAL/DUE: 09/2023 IAW SRM 53-00-50-2R-1 PAR. 3. K. - L. OK TO <BR>CURE.;[10] VERIFIED CORRECTIVE ACTION 9;[11] CURED REPAIR PLIES UNDER HEATLAMP MONITORED BY THERMOMETER ID: ATS2208 <BR>CAL/DUE: 10/2023 REMOVED VACUUM BAG AND SANDED REPAIR EDGES AND LOCATED <BR>ALL THROUGH INSERT LOCATIONS AND CLEANED IAW SRM 53-00-50-2R-1 PAR. 3. M. & 3. N.;[12] UPON FURTHER INSPECTION FOUND NUMBER OF REPAIR PLIES TO BE INSUFFICIENT; FABRICATED ADDITIONAL REPAIR PLIES FROM BMS9-3H2ST1581 LOT#1526805-2; OK TO INSTALL IAW SRM 53-00-50-2R-1 PARA 3K(1).

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