Service difficulty report · Floor Panel · Boeing 7377BD

Difficulty date
September 25, 2021
Submitted
November 1, 2021
Operation
Air carrier
Aircraft
N7720F
Make and model
Boeing 7377BD
Aircraft serial
33922
Aircraft time
51,620 hours, 26,930 cycles
Part
Floor Panel
Condition
Corroded
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

**CORROSION** AFT CARGO BILGE AREA FLOOR-PANEL SPLICE AT STA#772 RBL-19; WITH SPOT OF CORROSION. DOT#208-09 ; / [01] REMOVED CORROSION AT AFT AT AFT CARGO FLOOR PANEL SPLICE AT STA 772 RBL 19 AS PER REF B737 SRM 51-10-02-0G-0.; [02] EVALUATED REWORKED AREA AND FOUND 100% MATERIAL LOSS; FOUND TO BE OUT OF LIMITS AS PER REF B737 SRM 53-00-53-1A-2.; [03] VERIFIED STEP NO 1 AND STEP 2.EVALUATED REWORKED AREA AND FOUND 100% MATERIAL LOSS; FOUND TO BE OUT OF LIMITS AS PER REF B737 SRM 53-00-53-1A-2.; [04] RECEIVED NEW FLOOR PANEL SPLICE PO#1728471. ITEM WILL BE INSTALLED ON CUSTOMER CARD #TTG8Q004FRG8.; [05] VERIFIED STEP 4

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