SDR USAA991304

Service difficulty report · Sill · Boeing 737401

Difficulty date
December 15, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N423US
Make and model
Boeing 737401
Aircraft serial
23990
Part
Sill
Condition
Corroded
Location
Bs 947-1006
Stage of operation
IN
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

CLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A 1 INCH BY 1 INCH AREA OF CORROSION AT BS 947-1006, WL 208, RBL 55 LOWER SILL ASSEMBLY. CORROSION LEVEL 1. REPAIRED PER SRM 51-10-02. (M)