Service difficulty report · Sensor · Dorner DO328100

Difficulty date
July 15, 2003
Submitted
July 25, 2003
Operation
Air carrier
Aircraft
N459PS
Make and model
Dorner DO328100
Aircraft serial
3070
Aircraft time
18,965 hours, 16,353 cycles
Engine
Pwa PW119B
Propeller
Hartzl HDE6C3B
Part
Sensor
Part number
0132ADK
Part serial
76506
Condition
Failed
Location
Bleed Air Sys
Part time
20,851 hours
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

DURING CRUISE FLIGHT THE FLIGHT CREW EXPERIENCED STATIC ON BOTH VHF RADIOS AND A FAILING LEFT HIGH PRESSURE BLEED VALVE. AFTER CONFERING WITH MAINTENANCE CONTROL THE CREW DIVERTED TO DAYTON. NO EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE ADJUSTED BOTH SPEAKER VOLUMES FOR THE VHF RADIOS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 23-00-00 AND REPLACED THE LEFT HIGH PRESSURE BLEED TEMPERATURE SENSOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 36-11-21. FUNCTIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.