Service difficulty report · Sill Drain · Boeing 7377H4

Difficulty date
July 4, 2024
Submitted
August 13, 2024
Operation
Air carrier
Aircraft
N257WN
Make and model
Boeing 7377H4
Aircraft serial
32515
Aircraft time
59,419 hours, 35,640 cycles
Part
Sill Drain
Condition
Corroded
Location
Zone 200
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 FWD SERVICE DOOR MOPSILL STA 298-330 ON VERTICAL FLANGE; RBL 54-RBL 58; WL 208.<[01] VERIFIED;[02] VERIFIED;[03] REPLACED FWD SERVICE DOOR MOPSILL STA 250-BS 360 RBL54-RBL58 WL208 IAW SRM 51-10-02-0G-0; SRM 51-40-02-0G-0; 51-40-05-0G-0; SRM 51-40-08-0G-0; DWG 141A8310 REV:B.;[04] VERIFIED CORRECTIVE ACTION;[05] VERIFIED CORRECTIVE ACTION

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