SDR 2003F00586

Service difficulty report · Control Valve · Frchld SA227DC

Difficulty date
June 6, 2003
Submitted
September 30, 2003
Operation
Air carrier
Aircraft
N453LA
Make and model
Frchld SA227DC
Aircraft serial
DC852B
Part
Control Valve
Part number
39290811
Part serial
P681
Condition
Stuck
Location
Air Distribution
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

WITH BLEEDS OFF, CREW WAS GETTING AIRFLOW INTO CABIN THAT SMELLED OF SMOKE. CREW FOLLOWED PROCEDURES AND LANDED AT THE NEXT STATION, WHICH WAS THE CLOSEST. IT WAS SUSPECTED THAT A FLOW CONTROL VALVE STUCK OPEN, THE ENVIRONMENTAL AIR DUCTING GOT HOT, WHICH CAUSED SMOKE. REPLACED THE FLOW CONTROL VALVE, SYSTEM OPS CHECKED GOOD. (M)