Service difficulty report · Door Sill · Boeing 737990ER

Difficulty date
October 16, 2019
Submitted
November 2, 2019
Operation
Air carrier
Aircraft
N467AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
21,305 hours, 7,010 cycles
Engine
Ge CFM56*
Part
Door Sill
Part number
654A000358
Condition
Corroded
Location
Fuselage
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. CARGO DOOR LOWER SILL WEB HAS AN AREA OF CORROSION. GROUNDED - YES. REMOVED CORROSION FROM FWD CARGO DOOR LOWER SILL WEB FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-30-15-1A-1 FIG 103 DETAIL D REMOVED & REPLACED LOWER DOOR SILL WEB IAW B737-900ER SRM 51-40-02-0G-0 W: 2.00 O: .045 R: .033 L: 3.00 D: .012.