Service difficulty report · Control Valve · Boeing 737890

Difficulty date
April 15, 2014
Submitted
April 17, 2014
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
23,971 hours, 7,355 cycles
Engine
Cfmint CFM567B27
Part
Control Valve
Condition
Faulted
Location
Rt A/C Pack
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

RIGHT AIR CONDITIONING PACK LIGHT DURING RECALL, EXTINQUISHED WITH RESET. ACFT GROUNDED. ACCOMPLISHED BITE CHECK OF THE PACK TEMP CONTROLLERS, IAW FIM TASK 21-61, TASK 801 - FOUND TCV NR 2 CONT HAD AN INTERMITTENT FAULT. PACK OPS NORMAL. NO HISTORY PAST 60 DAYS.