SDR SWAA2021072396364

Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date: July 19, 2021
Submitted: July 23, 2021
Operation: Air carrier
Aircraft: N477WN
Make and model: Boeing 7377H4
Aircraft serial: 33988
Aircraft time: 58,235 hours, 34,495 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Condition: Damaged
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

CABIN FLOOR PANEL 241AF HAS DAMAGED UPPER PLYS. EVALUATED AND FOUND TO BE BER DUE TO MULTIPLE AREAS OF DAMAGE TO UPPER FACE SHEET. FABRICATE NEW BOARD PER SAMPLE IAW SRM 53-00-50-2R-0 STEP1A NOTE AND STEP 4A. FABRICATED FLOOR PANEL PER SAMPLE IAW SRM 53-00-50-2R-0 STEP 4A AND TABLE 204 AND DRAWING 144A5810. INSTALLED INSERTS IAW BAC 5085 STEP 8.4.2.2 AND DRAWING 144A5810. REPLACED FLOOR BOARD BY FABRICATION OF NEW BOARD PER SAMPLE IAW SRM 53-00-50-2R-0; DRAWING 144A5810 .

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