Service difficulty report · Sill Drain · Boeing 737890

Difficulty date
June 7, 2024
Submitted
July 9, 2024
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
57,507 hours, 17,255 cycles
Part
Sill Drain
Part number
141A8316US
Condition
Corroded
Location
Fwd Cabin
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

FWD WET AREA R1 DOOR MOP SEAL HAS AREAS OF CORROSION STA 294-360. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 53-10-15-1A-2 FIG 103 DETAIL D. ORIG. MAT .080, REMAINING MAT .069 MAT LOSS OF .011 IS BEYOND ALLOWABLE LIMITS. REMOVED AND REPLACED INNER CHORD STRAP MOP SEAL IAW B737-800 SRM 51-40-02 AND BAC DWG 141A8310 AND 141A9810.