Service difficulty report · Stringer · Boeing 737476

Difficulty date
December 12, 2005
Submitted
June 6, 2006
Operation
General aviation
Make and model
Boeing 737476
Engine
Cfmint CFM563C
Part
Stringer
Condition
Cracked
Location
Fuselage
Stage of operation
IN
How discovered
9
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

FUSELAGE STRINGER SPLICE CRACKED. CRACK LENGTH APPROXIMATELY 5MM (0.200IN). UPON REMOVAL OF THE SPLICE THERE WAS EVIDENCE OF MULTI-SITE CRACKING ON OUTBOARD SURFACE OF SPLICE (TWO HOLES). FOUND DURING EDDY CURRENT INSPECTION OF FUSELAGE UPPER LOBE FASTENER HOLE LOCATED AT STRINGER 4L, BS 907.