Service difficulty report · Valve · Dhav DHC8311

Difficulty date
October 23, 2013
Submitted
October 30, 2013
Operation
Air carrier
Aircraft
N329EN
Make and model
Dhav DHC8311
Aircraft serial
290
Aircraft time
45,707 hours, 53,060 cycles
Part
Valve
Part number
8MK4163001
Condition
Odor
Location
Bleed System
Stage of operation
TX
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

FAINT ODOR IN CABIN WHEN BLEEDS SELECTED ON. FOUND GUIDE PIN FOR NR 1 ENGINE AIR SWITCHING VALVE TWISTED AND CHAFED INTO HOUSING. R & R AIR SWITCHING VALVE IAW MM 72-30-00.