Service difficulty report · Heat Exchanger · Boeing 7378Q8

Difficulty date
January 29, 2013
Submitted
February 9, 2013
Operation
Air carrier
Aircraft
N813SY
Make and model
Boeing 7378Q8
Aircraft serial
28237
Aircraft time
39,151 hours, 14,647 cycles
Part
Heat Exchanger
Condition
Cracked
Location
Ac Bay
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

AFTER REMOVAL OF THE PRIMARY HEAT EXCHANGER FOR FOM FOUND CRACKS AT FLANGES. RECEIVED NEW PART TO BE INSTALLED. REMOVED & RE-INSTALLED LEFT PRIMARY & SECONDARY HEAT EXCHANGERS.

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