Service difficulty report · Control Valve · Boeing 737890

Difficulty date
August 2, 2015
Submitted
August 5, 2015
Operation
Air carrier
Aircraft
N586AS
Make and model
Boeing 737890
Aircraft serial
35189
Aircraft time
30,120 hours, 9,295 cycles
Part
Control Valve
Part number
3989083
Part serial
10309
Condition
Failed
Location
Nr 1 A/C Pack
Part time
24,806 hours, 9,091 cycles
Stage of operation
NR
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

LEFT PACK LIGHT ILLUMINATED, DOES NOT GO OUT WITH TRIP RESET. ACFT GROUNDED. R & R NR 1 PACK TCV IAW AMM 21-51-10, OPS AND LEAK CHECK GOOD.