Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
April 10, 2023
Submitted
May 18, 2023
Operation
Air carrier
Aircraft
N958WN
Make and model
Boeing 7377H4
Aircraft serial
36673
Aircraft time
38,993 hours, 23,664 cycles
Part
Floor Panel
Condition
Damaged
Location
Zn 200 Fus Top
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 222CF HAS A RIPPED OUT INSERT 3RD BACK FROM THE FWD EDGE ON L/H SIDE<OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.F.FABRICATED AND CLEANED HONEYCOMB CORE PLUGS USING BMS 8-124; C4; T05; G09 LOT: 1287137 IAW SRM 53-00-50-2R-6 PARA 3.F ALONG WITH DWG: 141A5810 SHEET: 750<BR><BR>OKAY TO INSTALL.<BR><BR>UPPER SURFACE REPAIR PLIES TO BE FABRICATED AND INSTALLED ON FAULT TTG8Q00KBJVC; INSTALLED CORE PLUG USING BMS 5-28 TY19 LOT: AK2IP3152K USING VACUUM AND A CAUL PLATE TO SUPPORT THE REPAIR. IAW SRM 53-00-50-2R-6 PARA 3.F;H.;USED VACUUM GAUGE ATS2798 DUE: 10/2023CURED UPPER SURFACE PLIES THAT WERE INSTALLED ON FAULT TTG8Q00KBJVC USING THERMOMETER ID: ATS2209 CAL DUE: 10/2023 AND REMOVED VACUUM BAG AND TRIMMED REPAIR EDGES. FABRICATED REPAIR PLIES FOR THE LOWER SURFACE FROM BMS9-3 ST1581 LOT# 1522395-2. OKAY TO INSTALL REPAIR PLIES ON THE LOWER SURFACE IAW SRM 53-00-50-2R-6 PARAGRAPH 3.H.(1); I(1); J.K(1)(A). INSTALLED LOWER SURFACE REPAIR PLIES USING BMS8-201 LOT#1522301-1; VACUUM BAGGED; CHECKED FOR LEAKS; LEAK CHECKED GOOD USING VACUUM GAUGE ATS2798 CAL DUE DATE 10/2023 AND SET FOR CURE USING HEAT LAMP AND THERMOMETER ATS2208 CAL DUE DATE 10/2023 IAW SRM 53-00-50-2R-6 PARA 3K(1)-L(1)-M(1).CURED USING HEAT LAMP AND THERMOMETER ATS2208 CAL DUE DATE 10/2023; UNBAGGED AND LIGHTLY SANDED REPAIR IAW SRM 53-00-50-2R-6 PARA 3M(1).;INSERTS WERE INSTALLED AND CURED ON FAULT: TTG8Q00KBJVC

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