Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
September 27, 2022
Submitted
October 25, 2022
Operation
Air carrier
Aircraft
N8644C
Make and model
Boeing 7378H4
Aircraft serial
35973
Aircraft time
26,784 hours, 12,542 cycles
Part
Floor Panel
Condition
Broken
Location
Cabin
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

CABIN FLOOR PANEL 221BF HAS A BROKEN TAB. / [01] IDENTIFIED FLOOR PANEL 221BF MATERIAL IAW SRM 53-00-50-0I-1 FIGURE 2 TABLE 2 <BR><BR>DAMAGE EXCEEDS ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PAR.4 B<BR><BR>DAMAGE IS REPAIRABLE IAW SRM 53-00-50-2R-1 <BR><BR>REMOVED (3EA) THROUGH INSERTS; AND (1EA) BLIND INSERT TO FACILITATE REPAIR;<BR>REMOVED DAMAGE TO 1 SKIN LOCATED AT AFT O/B TAB MEASURING 3.5'X1.5'; CLEANED AREA OF DAMAGE; WITH NO CONTAMINATION NOTED IAW SRM 53-00-50-2R-1 PAR.3 A-F;[02] VALIDATED REPAIR PER SRM 53-00-50-2R-1;[03] UPDATED MEASUREMENTS;[04] VERIFIED CORRECTIVE ACTIONS 1-3<BR><BR>VERIFIED MEASUREMENTS TABLE<BR><BR>VALIDATED REPAIR PER SRM 53-00-50-2R-1;[05] APPLIED POTTING COMPOUND BMS5-28 TY19 LOT#AK2DP3091K TO OPEN CORE CELLS; CURED UNDER HEAT LAMP USING THERMOMETER ID:ATS2208 DUE:10/2022; SANDED FLUSH; RE-CLEANED; AND FABRICATED REPAIR PLIES USING BMS9-3 ST1581 LOT#1502472-1 IAW SRM 53-00-50-2R-1 PAR.3 G-J; K(1)(A)<BR><BR>OK TO INSTALL REPAIR PLIES;[06] VERIFIED CORRECTIVE ACTION 5<BR><BR>OK TO INSTALL REPAIR PLIES;[07] INSTALLED REPAIR PLIES USING BMS8-201 TYIII LOT#AK2EP8210K; VACUUM BAGGED; LEAK CHECKED GOOD USING VACUUM GAUGE ID:E11542 DUE:09/2023 IAW SRM 53-00-50-2R-1 PAR.3 K(1)(B-C)-L(1)

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