Service difficulty report · Control Valve · Boeing 737890

Difficulty date
May 30, 2017
Submitted
June 21, 2017
Operation
Air carrier
Aircraft
N532AS
Make and model
Boeing 737890
Aircraft serial
36346
Aircraft time
27,042 hours, 8,063 cycles
Part
Control Valve
Part number
3989085
Part serial
24061
Condition
Failed
Location
Rt A/C Pack
Part time
6,806 hours, 1,963 cycles
Stage of operation
NR
How discovered
9
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

RIGHT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. REMOVED AND REPLACED THE RT TEMPERATURE CONTROL VALVE IAW AMM 21-51-10-000-801, AND AMM 21-51-10-400-801. LEAK CHECKED GOOD AND GROUND FUNCTIONAL CHECKED GOOD IAW AMM 21-61-00-700-806-002.