Service difficulty report · Structure · Boeing 737322

Difficulty date
June 30, 2009
Submitted
July 1, 2009
Operation
Air carrier
Aircraft
N367UA
Make and model
Boeing 737322
Aircraft serial
24536
Aircraft time
55,568 hours, 38,349 cycles
Engine
Cfmint CFM563C1
Part
Structure
Condition
Cracked
Location
Bs360-380 S28l/R
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

FOUND CRACK ON E/E COOLING DUCT CUTOUT. LOWER FUSELAGE BS BETWEEN 360-380 AND 28L/R. ACP HFEC OF SUSPECT CRACK IN SKIN AFT OF EQUIP COOLING EXHAUST OPENING. AREA IS CRACKED APPROX ONE HALF INCH LONG FROM EXHAUST OPENING AND TERMINATED AT SCREW FASTENER HOLE. EDDY CURRENT DOES NOT INDICATE PROGRESSION BEYOND FASTENER HOLE. LAID OUT AND MFG'D SINGLE PLATE DOUBLER. ACCOMPLISHED INTERIM REPAIR PER UA-EVA-72751.