Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
June 17, 2021
Submitted
July 14, 2021
Operation
Air carrier
Aircraft
N226WN
Make and model
Boeing 7377H4
Aircraft serial
32494
Aircraft time
53,110 hours, 31,655 cycles
Part
Floorbeam
Part number
146A94014
Condition
Corroded
Location
Bs 773
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 AT AFT CARGO BAY FLOOR SUPPORT SPLICE BS 773 LBL 20-RBL 19 WL 157 ; / [01] CORROSION FOUND ON AFT CARGO BAY FLOOR SUPPORT SPLICE BS773 LBL20-RBL19 WL157 FOUND TO BE OUT LIMITS DUE TO NO LIMITS ON SRM PARTS WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR 9.C .; [02] RECEIVED AND REPLACED NEW AFT CARGO BAY FLOOR SUPPORT SPLICE BS 773 LBL 20- RBL 19 WL 157 ITEM #3530573 ; PART# 146A9401-4 IAW SRM 51-10-02-0G-0 PAR 9.C; [03] ADDED PART INFORMATION USAGE; [04] RECEIVED AND REPLACED NEW AFT CARGO BAY FLOOR SUPPORT SPLICE BS 773 LBL 20- RBL 19 WL 157 ITEM #3530573 ; PART# 146A9401-4 IAW SRM 51-10-02-0G-0 PAR 9.C; [05] VERIFIED OUT OF LIMITS DUE TO NO LIMITS. NEW PART RECEIVED

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