Service difficulty report · Precooler · Boeing 777222

Difficulty date
October 18, 2010
Submitted
October 22, 2010
Operation
Air carrier
Aircraft
N221UA
Make and model
Boeing 777222
Aircraft serial
30552
Aircraft time
38,767 hours, 4,879 cycles
Engine
Pwa PW40903
Part
Precooler
Part number
23417441
Part serial
2021
Condition
Cracked
Location
Nr 2 Engine
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

NR 2 ENGINE PRECOOLER SPLIT OPEN AT BOTTOM. NR 2 PRECOOLER FOUND CRACKED DURING A CHECK INSPECTION. REMOVED CRACKED PRECOOLER. INSTALLED PRECOOLER. OKAY FOR SERVICE.