Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 9, 2020
Submitted
August 3, 2020
Operation
Air carrier
Aircraft
N488WN
Make and model
Boeing 7377H4
Aircraft serial
33853
Aircraft time
54,363 hours, 32,167 cycles
Part
Support
Part number
143A7500
Condition
Corroded
Location
Bs 460-500d
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 TO SIDEWALL SUPPORT AT FWD CARGO BAY BS460 - BS500D LBL23 WL157. / REMOVED AND REPLACED CORRODED FLOOR TO SIDEWALL SUPPORT AND REPLACED WITH NEW IAW SRM 51-40-02; DWG 143A7500; DWG 143A7501 SRM 53-00-53-1A-2; SRM 51-40-08; SRM 51-40-05; SRM 51-20-01-06; SRM 53-00-53-2R-6; 51-40-10-02 92954U 07/25/20; AND COMPLETED SPLICE REPAIR IAW SRM 53-00-53-2R-6 LEAD 838 07/25/20

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