Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
January 29, 2020
Submitted
August 17, 2021
Operation
Air carrier
Aircraft
N457WN
Make and model
Boeing 7377H4
Aircraft serial
33856
Aircraft time
55,090 hours, 32,723 cycles
Part
Floor Panel
Condition
Corroded
Location
Aft Cargo
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

***CORROSION*** IN AFT CARGO BAY ON FLOOR PANEL SPLICE STRAP AT B.S. 887; W.L. 155. LBL 19 TO RBL 19 / DAMAGE ON ACB FLOOR PANEL SPLICE STRAP BS 887 WL-155 FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT ON SRM SPLICE REPAIRED BY REPLACEMENT IAW SRM 51-40-02-0G-0 PAR-9C LOCATED AND DRILLED NEW FLOOR PANEL SPLICE STRAPE P/N 146A9401 IAW SRM 51-40-05-0G-0 AND INSTALLED IAW SRM 51-40-02-0G-0 AND BOE DWG #146A9401

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