Service difficulty report · Precooler · Boeing 777222

Difficulty date
August 30, 2012
Submitted
September 14, 2012
Operation
Air carrier
Aircraft
N218UA
Make and model
Boeing 777222
Aircraft serial
30222
Aircraft time
48,881 hours, 5,969 cycles
Engine
Pwa PW40903
Part
Precooler
Part number
23408721
Part serial
350
Condition
Leaking
Location
Nr 1
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

FOUND NR 1 ENG PRECOOLER HAS SMALL LEAK LEFT AFT BOTTOM CORNER. REPLACED NR 1 ENGINE PRECOOLER PER AMM.