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

FWD FLOOR PANEL 221DF UPPER SKIN HAS PULLED STRANDS.<[01] IDENTIFIED PANEL 221DF MATERIAL IAW SRM 53-00-50-0I-1 FIG 2; TABLE 2.<BR><BR>CLEANED PANEL REPAIR AREA IAW SRM 53-00-50-2R-0 PARA 5. A. (1).<BR><BR>FOUND DAMAGE TO BE BEYOND ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4. F.<BR><BR>REPAIR TO BE ACCOMPLISHED IAW SRM 53-00-50-2R-1.<BR><BR>REMOVED (2 EA.) DRAIN FITTING ASSEMBLIES; (29 EA.) THROUGH INSERTS AND (8 EA.) BLIND INSERTS TO FACILITATE REPAIR IAW SRM 53-00-50-2R-1 PARA 3.B AND BOEING DRAWING: 141A5810 ID: 0235. WILL REQUIRE REINSTALLATION UPON REPAIR COMPLETION.<BR><BR>REMOVED DAMAGED PLIES AND PREVIOUS REPAIRS MEASURING 46' X 32' ON UPPER SKIN; THEN CLEANED. ALL IAW SRM 53-00-50-2R-1 PARA 3. A. AND C. - F. WITH NO MOISTURE OR CONTAMINATION NOTED.<BR><BR>OK TO POT EXPOSED CORE AREA.;[02] VALIDATED REPAIR PER SRM 53-00-50-2R-1;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2<BR><BR>VERIFIED MEASUREMENTS TABLE<BR><BR>VALIDATED REPAIR PER SRM 53-00-50-2R-1 <BR><BR>OK TO POT EXPOSED CORE AREA;[04] APPLIED POTTING COMPOUND BMS 5-28 TY19; LOT # 1528833-1 TO OPEN CORE AREA ON UPPER SURFACE IAW SRM 53-00-50-2R-1 PARA 3. G.;[05] CURED POTTING; SANDED FLUSH; CLEANED REPAIR AREA IAW SRM 53-00-50-2R-1 PARAGRAPH 3.H-J.;[06] USED THERMOMETER ID: ATS2209 DUE: 10/20223 IN ITEM 5.;[07] FABRICATED REPAIR PLIES USING BMS 9-3 TY H2 LOT#1526805-2 IAW SRM 53-00-50-2R-1. PARA 3. K. (1) (A).<BR><BR>OK TO INSTALL REPAIR PLIES.;

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