Service difficulty report · Pressure Switch · Dhav DHC8202

Difficulty date
July 21, 2006
Submitted
July 27, 2006
Operation
Air carrier
Aircraft
N359PH
Make and model
Dhav DHC8202
Aircraft serial
514
Aircraft time
19,262 hours, 27,796 cycles
Part
Pressure Switch
Part number
7G7921
Part serial
2435
Condition
Malfunctioned
Location
Rudder Pressure
Part time
3,320 hours, 4,875 cycles
Stage of operation
CR
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

SEA FLIGHT 9803 UPON AIRSPEED INCREASING GREATER THAN 140 KTS, RUDDER PRESSURE ILLUMINATED, AS PER CHECKLIST, AIRSPEED WAS KEPT BELOW 200 KTS. MAINTENANCE REPLACED NR 1 AND 2 RUD PRESSURE SWITCHES. PERFORMED OPERATIONAL TEST OF THE RUDDER CONTROL SYSTEM. LEAK CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.