Service difficulty report · Floorboard · Boeing 7377H4

Difficulty date
July 9, 2021
Submitted
August 18, 2021
Operation
Air carrier
Aircraft
N941WN
Make and model
Boeing 7377H4
Aircraft serial
36647
Aircraft time
39,425 hours, 23,903 cycles
Part
Floorboard
Condition
Pulled
Location
Cabin
Stage of operation
IN
How discovered
V
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

A22-87; CABIN FLOOR BOARD 231GF; UPPER SURFACE; AREAS OF PULLED FACE SHEET; MRK'D. ; / [01] EVALUATED FLOOR BOARD AND FOUND MULTIPLE AREAS ACROSS ENTIRE UPPER SURFACE WITH DAMAGE. BOARD IS BER. FABRICATE NEW BOARD PER SAMPLE IAW SRM 53-00-50-2R-0 REV. 73 REPAIR GENERAL STEP 1A NOTE; [02] FABRICATED NEW BOARD PER SAMPLE IAW SRM 53-00-50-2R-0 REV. 73 REPAIR GENERAL STEP 4A; TABLE 204 AND BOEING DRAWING 143A5810 FLOOR BOARD STOCK (WN2236); [03] VERIFIED ITEM 2; [04] INSTALLED INSERTS IAW BAC5085 STEP 8.4.2.2 AND BOEING DRAWING 143A5810. CURED 1 HOUR AT 150 DEGREES. OVEN BO-O6 DUE 8-25-21 (A58622); (A51754); [05] REPLACED FLOOR BOARD BY FABRICATION PER SAMPLE IAW SRM 53-00-50-2R-0 REV. 73; BAC 5085 AND BOEING DRAWING 143A5810; [06] VERIFIED ALL STEPS COMPLETED AND AUDITED

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