Service difficulty report · Web · Boeing 7377H4

Difficulty date
May 26, 2020
Submitted
July 29, 2021
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
55,517 hours, 32,839 cycles
Part
Web
Condition
Corroded
Location
Bs 794-847
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 AFT CARGO BAY THRESHOLD SUBWEB AT B.S. 794-847; R.B.L. 27; W.L. 154. / REMOVED AND REPLACED AFT CARGO BAY THRESHOLD SUB WEB B.S. 794 - 847 RBL 27 WL 154 PER SRM 51-40-02-0G-0 SRM 51-40-05-0G-0 SRM 53-60-15-1A-1 AND DWG 146A8340

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