Service difficulty report · Shutoff Valve · Dhav DHC8301

Difficulty date
December 14, 2001
Submitted
February 5, 2002
Operation
Air carrier
Make and model
Dhav DHC8301
Aircraft time
26,595 hours
Engine
Pwa PW123
Propeller
Hamstd 14SF15
Part
Shutoff Valve
Part number
7786864
Condition
Failed
Location
Nr 1 Nacelle
Part time
28,560 hours, 37,270 cycles
Stage of operation
CR
How discovered
O
Nature of condition
B, J
Precautionary procedure
A

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

What was found

(CAN) AFTER TAKE-OFF, NR 1 BLEED HOT CAUTION LIGHT ILLUMINATED, ACCOMPANIED BY HOT AIR SMELL IN COCKPIT. BOTH DUCT AIRTEMPS INDICATING 20-30DEG. LIGHT EXTINGUISHED AFTER SELECTING NR 1 BLEED OFF. AIRCRAFT ELECTED TO RETURN TO MAINTENANCE BASE FOR NORMAL LANDING. NR 1 NACELL SHUT-OFF & PRESS REDUCING VALVE REPLACED. AIRCRAFT RETURNED TO SERVICE.