Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
June 1, 2023
Submitted
July 5, 2023
Operation
Air carrier
Aircraft
N962WN
Make and model
Boeing 7377H4
Aircraft serial
36963
Aircraft time
38,452 hours, 23,554 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

AFT FLOOR PANEL 242UF UPPER SKIN HAS PULLED STRANDS.<[01] IDENTIFIED FLOOR PANEL 242UF IAW SRM 53-00-50-0I-1 FIG 6 TABLE 6 AND BOEING DWG 147A5810-95.<BR><BR>FOUND DAMAGE TO UPPER SURFACE SKIN PLIES TO BE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PARA 4F.<BR><BR>REPAIR TO BE ACCOMPLISHED PER SRM 53-00-50-2R-1.<BR><BR>REMOVED ALL THROUGH AND BLIND INSERTS TO FACILITATE REPAIR IAW SRM 53-00-50-2R-1 PARA 3B.<BR><BR>REMOVED DAMAGE FROM UPPER SURFACE SKIN AND CORE THEN CLEANED PANEL; OK TO APPLY POTTING TO EXPOSED CORE IAW SRM 53-00-50-2R-1 PARA 3A-G.[08] 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 ATS2208 CAL DUE DATE 10/2023 IAW SRM 53-00-50-2R-1 PARA 3K(1)-L(1)-M(1).

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