Service difficulty report · Sill Drain · Boeing 737890

Difficulty date
July 29, 2026
Submitted
September 4, 2026
Operation
Air carrier
Aircraft
N569AS
Make and model
Boeing 737890
Aircraft serial
35184
Aircraft time
61,668 hours, 18,720 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

AFT WET AREA R/H MOPSILL STA 997 TO STA 947 CORRODED. GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT OF LIMITS IAW 53-70-15-1A-1, REMOVED AND REPLACED MOP SILL IAW B737-800 SRM 51-40-02-0G-0 W: 2" O: .080 R: .066 L: 2" D: .014.