Service difficulty report · Tee Fitting · Boeing 737401

Difficulty date
June 6, 2012
Submitted
June 14, 2012
Operation
Air carrier
Aircraft
N424US
Make and model
Boeing 737401
Aircraft serial
23991
Aircraft time
62,000 hours, 40,830 cycles
Part
Tee Fitting
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

Q4 CHECK - LEVEL 2 INTERGRANULAR CORROSION ON TEE CHORD AT BS 203.8, BL 0. REPAIRED TEE CHORD AT BS 203.8, BL 0 IAW EA 10411.