Service difficulty report · Precooler · Boeing 767322

Difficulty date
November 16, 2012
Submitted
December 7, 2012
Operation
Air carrier
Aircraft
N661UA
Make and model
Boeing 767322
Aircraft serial
27158
Aircraft time
83,895 hours, 13,411 cycles
Engine
Pwa PW4060
Part
Precooler
Part number
7929405
Part serial
930317
Condition
Cracked
Location
Bleed Air Sys
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

INSPECTED AND FOUND THE PRE COOLER CRACKED 2 1-4 INCH IN A SEAM. REPLACED NR 2 ENGINE PRECOOLER PER AMM.