Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
June 22, 2020
Submitted
July 22, 2021
Operation
Air carrier
Aircraft
N8640D
Make and model
Boeing 7378H4
Aircraft serial
60084
Aircraft time
21,373 hours, 9,400 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 947 Rbl 25-44
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 BAY AFT BULKHEAD TO FLOOR SUPPORT HAS CORROSION AT STA 947 FROM RBL 44-RBL 25; WL 180 / REMOVED AND REPLACED AFT CARGO BAY AFT BULKHEAD TO FLOOR SUPPORT DUE TO CORROSION BEING OUT OF LIMITS DUE TO NO LIMITS IAW SRM 51-40-02-0G-0 AND DWG 149A8110.

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