Service difficulty report · Control Valve · Boeing 737890

Difficulty date
April 28, 2013
Submitted
May 1, 2013
Operation
Air carrier
Aircraft
N594AS
Make and model
Boeing 737890
Aircraft serial
35191
Aircraft time
19,529 hours, 6,029 cycles
Part
Control Valve
Part number
3989083
Part serial
11808
Condition
Malfunctioned
Location
Rt A/C Pack
Part time
14,205 hours, 4,418 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

RT PACK LIGHT ILLUMINATES ON RECALL. ACFT GROUNDED. REPLACED RT PACK TEMP CONTROL VALVE IAW MM 21-51-10. PERFORMED BITE TEST IAW MM 21-61-00, BITE CHECK GOOD.