Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
August 27, 2020
Submitted
July 21, 2021
Operation
Air carrier
Aircraft
N493WN
Make and model
Boeing 7377H4
Aircraft serial
32477
Aircraft time
53,633 hours, 31,840 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs887 Lbl7-Rbl21
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 FLOOR SUPPORT SPLICE AT AFT CARGO BAY BS887 LBL7 TO RBL21 WL168. / REMOVED SUPPORT SPLICE AT ACB BS887; RECIEVED NEW SUPPORT SPLICE ON P.O. 761896. LOCATED AND DRILLED IAW SRM 51-40-05; 51-40-08; AND DWG#146A9401. 59118U 08SEP20 OK TO INSTALL 8612C 08SEP20 INSP 15 08SEP20 INSTALLED SUPPORT SPLICE AT ACB BS887 IAW SRM 51-40-02. 59118U 08SEP20 SPLICE FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE DAMAGE LIMITS FOUND IN SRM. PART TO BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02 SEC.9. 59118U 08SEP20

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