Service difficulty report · Web · Boeing 7377H4

Difficulty date
February 19, 2021
Submitted
March 16, 2021
Operation
Air carrier
Aircraft
N209WN
Make and model
Boeing 7377H4
Aircraft serial
32484
Aircraft time
54,294 hours, 32,128 cycles
Part
Web
Condition
Corroded
Location
Rt Overwing
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 RT OVERWING EMERGENCY EXIT LOWER SILL BS619 - BS636 RBL71 WL222. MARKED / REMOVED CORROSION ON RT OVERWING EMERGENCY EXIT LOWER SILL BS.619-BS.636 RBL 71 WL 222; FOUND TO BE OUT OF LIMITS DUE TO LOCATION OF BLEND WITHIN 1' OF DRAIN HOLE ON LWR SILL; REMOVED AND REPLACED LOWER SILL WEB PER SRM 53-40-15-1A-1; SRM 51-40-02; AND DWG 144A8201 SH.4.

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