Service difficulty report · Control Valve · Boeing 737890

Difficulty date
January 31, 2010
Submitted
February 2, 2010
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
12,888 hours, 3,822 cycles
Part
Control Valve
Condition
Intermittent
Location
Ac Pack
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON RECALL RIGHT PACK MASTER CAUTION ILLUMINATES GOES OUT WHEN MASTER CAUTION RESET. FAULT CODE 216 224 00. ACCOMPLISHED BITE TEST ON PACK/ZONE TEMP CONTROLLERS REF FIM TASK 21 62 00 810 801. FOUND INTERMITTENT FAULT ON RIGHT TRIM CONTROL VALVE. RESET FAULT. RAN PACK SYSTEM, OP`S NORMAL. OKAY FOR CONT SERVICE. SEAMC NOTIFIED.