Service difficulty report · Valve · Boeing 737890

Difficulty date
April 4, 2015
Submitted
April 6, 2015
Operation
Air carrier
Aircraft
N583AS
Make and model
Boeing 737890
Aircraft serial
35681
Aircraft time
29,476 hours, 8,739 cycles
Part
Valve
Part number
3989084
Part serial
10725
Condition
Malfunctioned
Location
Rt A/C Pack
Part time
21,444 hours, 9,160 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

AFTER ENGINE START AND MASTER CAUTION RECALL THE RIGHT PACK LIGHT ILLUMINATED. COMPLIED WITH QRH AND LIGHT RESET. ACFT GROUNDED. TEMPERATURE CONTROL VALVE HARD FAULT ON TEMP CONTROLLER NR 2. R & R NR 2 TEMPERATURE CONTROL VALVE IAW AMM 21-51-10-000-801 AND 21-51-10-400-801, OPS CHECK GOOD.