SDR USAA991221

Service difficulty report · Frame · Boeing 737401

Difficulty date
November 14, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N422US
Make and model
Boeing 737401
Aircraft serial
23989
Part
Frame
Condition
Cracked
Location
Bs 827
Part time
31,198 hours
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-4 CHECK VISUAL INSPECTION, FOUND A .25 INCH CRACK BETWEEN STRINGER 8L AND 9L AT BS 827 FRAME. INSTALLED DOUBLER PER SRM 53-00-07 FIG 202 AND TR 53-10-14. (M)