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 222AF UPPER SKIN HAS PULLED STRANDS.<[01] IDENTIFIED PANEL 222AF IAW SRM 53-00-50-0I-1.<BR>FOUND DAMAGE ON UPPER SURFACE TO BE BEYOND ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1.PARA 4.F.<BR>DAMAGE SHOULD BE REPAIRED PER SRM 53-00-50-2R-1.<BR><BR>REMOVED ALL INSERTS TO FACILITATE MAINTENANCE.<BR>REMOVED DAMAGED PLIES AND LOOSE PIECE OF CORE ON APPROX. 41'X24' DAMAGED AREA IAW SRM 53-00-50-2R-1.PARA 3.A-F.<BR>OK TO POT EXPOSED CORE.;[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 AREAS;[04] APPLIED POTTING COMPOUND BMS 5-28 TY 19 LOT#1528833-1 IAW SRM 53-00-50-2R-1.PARA 3.G;[05] CURED POTTING UNDER HEAT LAMP USING THERMOMETER ID:ATS2209 DUE:10/23; SANDED POTTING SMOOTH; CLEANED REPAIR AREA; AND FABRICATED REPAIR PLIES USING BMS 9-3 ST1581 LOT#1526805-2 IAW SRM 53-00-50-2R-1 PARA 3.H-K(1);[06] VERIFIED CORRECTIVE ACTIONS 4 & 5.<BR>OK TO INSTALL REPAIR PLIES.;[07] INSTALLED REPAIR PLIES USING BMS 8-201 TY 4 LOT#1527294-1; VACUUM BAGGED; CHECKED FOR LEAKS USING VACUUM GAUGE ID:ATS2441 CAL DUE:08/2023.<BR>LEAK CHECK GOOD IAW SRM 53-00-50-2R-1.PARA 3.K.(1); L.(1).

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