Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
September 29, 2020
Submitted
August 16, 2021
Operation
Air carrier
Aircraft
N430WN
Make and model
Boeing 7377H4
Aircraft serial
33659
Aircraft time
61,499 hours, 36,261 cycles
Part
Floorbeam
Condition
Corroded
Location
Fwd Cargo
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*** ON DOUBLER AT FWD CARGO BAY BS500A+12 BL0 WL148.5. / REMOVED CORROSION ON DOUBLER AT FWD CARGO BAY BS500A+12' BL0 WL148.5 MORE 100% MATERIAL LOSS IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 51-10-02. REMOVED AND REPLACED DOUBLER P/N 143A3233-4. PO# 786098/1 IAW SRM 51-40-02 AND DWG 143A3230.

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