Service difficulty report · Precooler · Boeing 737890

Difficulty date
October 28, 2009
Submitted
October 30, 2009
Operation
Air carrier
Aircraft
N585AS
Make and model
Boeing 737890
Aircraft serial
35683
Aircraft time
8,250 hours, 2,484 cycles
Part
Precooler
Part number
32895625
Part serial
10669
Condition
Failed
Location
Bleed Air Sys
Part time
8,250 hours, 2,484 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

ENG NR 2 BLEED TRIP OFF LIGHT ILLUMINATED DURING CLIMB PASSING FL310 WHEN ENGINE AND WING ANTI ICE TURNED ON. SAT WAS 35C LIGHT RESET USING QRC AND DID NOT COME ON AGAIN. FOUND NR 2 ENG PRECOOLER VALVE BAD PER 36 12 00MM. REMOVED BAD NR 2 ENG PRECOOLER VALVE AND INSTALLED & CHECKED GOOD NR 2 ENG PRECOOLER VALVE. REF 36 12 02 MM.