Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
April 8, 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
Pulled
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 PANEL 222BF UPPER FACESHEET HAS MULTIPLE AREAS OF PULLED STRANDS.<[01] IDENTIFIED PANEL MATERIAL IAW 53-00-50-0I-1 SHEET 1; FIGURE 2; TABLE 2;<BR>AND DWG DOC: 141A5810 ID: 0464<BR><BR>DAMAGE TO UPPER FACESHEET AREAS IS OUT OF ALLOWABLE LIMITS IAW SRM<BR>53-00-50-1A-1 PAR. 4.F.DAMAGE TO PANEL FACESHEET IS REPAIRABLE IAW SRM 53-00-50-2R-1 AS <BR>DIRECTED BY SRM 53-00-50-2R-0 PAR. 2. A. TABLE 201REMOVED (36EA) INSERTS FROM AREAS (P1 - P36) IAW SRM 53-00-50-2R-0 <BR>PAR. 5. S. (1)(A) & 5. S. (1)(B)<BR><BR>REMOVED DAMAGED PLIES AND CLEANED REPAIR AREA WITH FABRICATED REPAIR PLIES USING BMS9-3 TYH2 CL7 ST1581 LOT#<BR>1522395-2 IAW SRM 53-00-50-2R-1 PAR. 3. J. & 3. K.FOUND AND REMOVED (7EA) DAMAGED ADDITIONAL INSERTS FROM <BR>AREAS (P37 - P40; P53 - P55) IAW SRM 53-00-50-2R-0<BR>PAR. 5. S. (1)(A) & 5. S. (1)(B);INSTALLED REPAIR PLIES CURED REPAIR USING HEAT LAMP AND THERMOMETER ATS2208 CAL DUE DATE 10/2023 AND UNBAGGED PANEL IAW SRM 53-00-50-2R-1 PARA 3M(1).;[10] SANDED REPAIR EDGES; LOCATED AND CLEANED (43EA) INSERT AREAS IAW SRM <BR>53-00-50-2R-1 PAR. 3. M. (1) & 3. N REMOVED 3EA ADDITIONAL DAMAGED BLIND INSERTS; CLEANED AREA; INSTALLED 7EA BLIND INSERTS USING BMS5-28 TYPE 19 LOT#AK2IP3152K AND CURED USING HEAT LAMP AND THERMOMETER ATS2208 CAL DUE DATE 10/2023 IAW SRM 53-00-50-2R-1 PARA 3B AND 3N.

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