Service difficulty report · Floor Panel · Boeing 737*

Difficulty date
September 8, 2021
Submitted
November 9, 2021
Operation
Air carrier
Aircraft
N783SW
Make and model
Boeing 737*
Aircraft serial
29809
Aircraft time
68,060 hours, 40,258 cycles
Part
Floor Panel
Condition
Delaminated
Location
Fuselage
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

MAIN CABIN FLOOR PANEL # 232SF UPPER SURFACE LAYERS DELAMINATED ; / [01] PERFORMED VISUAL INSPECTION AND TAP TEST INSPECTION AT FLOOR PANEL 232SF FOUND TOP LAYER DELAMINATION IS 48 SQUARE INCHES REF B737 NDT PART 1 51-05-01 PARAGRAPH 5. FLOOR PANEL IS OUT LIMITS REF B737-700 SRM 53-00-50-1A-1 PARAGRAPH 4 A;B AND E (2) (A).; [02] VERIFIED STEP 1; [03] REPLACED MAIN CABIN FLOOR PANEL #232SF; TAG #WN6972; P.O.# 1728471; PANEL BEING INSTALLED ON CARD # TTG8Q005VZN5; [04] PRIOR ENTRY ENTERED IN ERROR; [05] FABRICATED NEW MAIN FLOOR PANEL # 232SF IN REF SRM 53-00-50-01-1; [06] FABRICATED NEW MAIN FLOOR PANEL # 232SF IN REF SRM 53-00-50-0I-1; [07] (RII) VERIFIED CORRECTED STEP 6.; [08] FABRICATED NEW FLOOR PANEL # 232 SF ; IN REF. 373 SRM 53-00-50-01-1; [09] FABRICATED NEW FLOOR PANEL # 232 SF ; IN REF. 373 SRM 53-00-50-01-1; [10] STEP 8 WAS WRITTEN IN ERROR; [11] PERFORMED VISUAL INSPECTION AND TAP TEST INSPECTION AT FLOOR PANEL 232SF FOUND TOP LAYER DELAMINATION IS 48 SQUARE INCHES REF B737 NDT PART 1 51-05-01 PARAGRAPH 5. FLOOR PANEL IS OUT LIMITS REF B737-700 SRM 53-00-50-1A-1 PARAGRAPH 4 A;B AND E (2) (A) AND FABRICATED NEW MAIN FLOOR PANEL # 232SF IN REF SRM 53-00-50-0I-1.; [12] THIS STEP WAS WRITTEN IN ERROR.; [13] (RII) VERIFIED STEP 11.