Service difficulty report · Valve · Boeing 737890

Difficulty date
July 2, 2013
Submitted
July 5, 2013
Operation
Air carrier
Aircraft
N534AS
Make and model
Boeing 737890
Aircraft serial
35202
Aircraft time
9,951 hours, 2,961 cycles
Part
Valve
Part number
32895625
Part serial
4361
Condition
Failed
Location
Nr 1 Precooler
Part time
54,999 hours, 22,767 cycles
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

NR 1 ENG PRECOOLER VALVE FAILED HEALTH CHECK. ACFT GROUNDED. REPLACED NR 1 ENG PRECOOLER CONTROL VALVE IAW MM 36-12-02-400-801. LEAK AND OPS CHECKED GOOD.