Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
May 21, 2023
Submitted
June 16, 2023
Operation
Air carrier
Aircraft
N8535S
Make and model
Boeing 7378H4
Aircraft serial
63596
Aircraft time
19,603 hours, 9,695 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Delaminated
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

PASSENGER CABIN FLOOR PANEL 221CF HAS DELAMINATION ON PANEL<[01] IDENTIFIED FLOOR PANEL 221CF IAW SRM 53-00-50-0I-1 FIG 2 TABLE 2 AND BOEING DWG 141A5810-9.<BR><BR>DAMAGE NOTED TO UPPER SURFACE SKIN PLIES IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PARA 4F.<BR><BR>DAMAGE TO BE REPAIRED PER SRM 53-00-50-2R-1.<BR><BR>REMOVED 7EA THROUGH INSERTS TO FACILITATE REPAIR IAW SRM 53-00-50-2R-1 PARA 3B.<BR><BR>REMOVED DAMAGE FROM UPPER SURFACE SKIN PLIES; CLEANED AREA; FABRICATED REPAIR PLIES FROM BMS9-3H2ST1581 LOT#1526805-2; OK TO INSTALL IAW SRM 53-00-50-2R-1 PARA 3A-F AND 3K(1).;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-1.;[03] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 1 AND 2. <BR><BR>VERIFIED MEASUREMENTS TABLE.;[04] INSTALLED REPAIR PLIES USING BMS8-201 TYPE 4 LOT#1527294-1; VACUUM BAGGED; CHECKED FOR LEAKS; LEAK CHECKED GOOD USING VACUUM GAUGE ID: E11543 CAL DUE DATE 09/2023 AND SET FOR CURE USING HEAT LAMP AND THERMOMETER ATS2209 CAL DUE DATE 10/2023 IAW SRM 53-00-50-2R-1 PARA 3K(1)-L(1)-M(1).

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