Service difficulty report · Web · Boeing 7377H4

Difficulty date
June 15, 2018
Submitted
February 21, 2022
Operation
Air carrier
Aircraft
N251WN
Make and model
Boeing 7377H4
Aircraft serial
32510
Aircraft time
41,830 hours, 24,757 cycles
Part
Web
Condition
Corroded
Location
Aft Cargo Bay
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*** NOTED ON AFT CARGO DOOR CUTOUT LWR MAIN SILL - UPPER WEB ASSEMBLY (BS 794.5 - BS 847 / RBL 25 / WL 156) UPPER SURFACE. / REMOVED AND REPLACED AFT CARGO DOOR MAIN SILL UPPER WEB ASSEMBLY. BS 794.5- BS 847 UPPER SURFACE IAW SRM 51-40-02 AND DWG 146A8120 ID 0033 REV -. 93091U 20JUN18

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