Service difficulty report · Sill Drain · Boeing 737890

Difficulty date
December 21, 2024
Submitted
January 24, 2025
Operation
Air carrier
Aircraft
N517AS
Make and model
Boeing 737890
Aircraft serial
35197
Aircraft time
55,568 hours, 16,391 cycles
Part
Sill Drain
Part number
147A85408
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
V
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

R/2 MOPSILL CORRODED BETWEEN STA 947 TO STA 1006. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. REMOVED AND REPLACED MOPSILL IAW B737-800 SRM 51-40-02-0G-0.W= 1.00 O= .080 R= .067 L= 4.00 D= .013.