Service difficulty report · Control Valve · Boeing 737890

Difficulty date
June 13, 2015
Submitted
June 16, 2015
Operation
Air carrier
Aircraft
N512AS
Make and model
Boeing 737890
Aircraft serial
39043
Aircraft time
26,203 hours, 8,015 cycles
Part
Control Valve
Part number
3989083
Part serial
6050
Condition
Malfunctioned
Location
Rt A/C Pack
Part time
5,577 hours, 1,653 cycles
Stage of operation
CL
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

AFTER TAKEOFF, RECEIVED A RIGHT PACK LIGHT. LIGHT DID NOT EXTINGUISH USING QRH PROCEDURE. ACFT GROUNDED. REPLACED RT PACK TEMPERATURE CONTROL VALVE IAW AMM 21-51-10, OPS & LEAK CHECKED GOOD. GROUND VERIFICATION & OPS CHECKED GOOD.